./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-3.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 21bb8f266262880d0d6873fb2e4e8bc5cd60f79baa0774ffc8a8aedd31b66692 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 13:58:10,646 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 13:58:10,708 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-20 13:58:10,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 13:58:10,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 13:58:10,747 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 13:58:10,748 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 13:58:10,748 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 13:58:10,748 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 13:58:10,749 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 13:58:10,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 13:58:10,751 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 13:58:10,752 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 13:58:10,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 13:58:10,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 13:58:10,756 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 13:58:10,756 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 13:58:10,756 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 13:58:10,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 13:58:10,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 13:58:10,757 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 13:58:10,759 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 13:58:10,759 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-20 13:58:10,759 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 13:58:10,760 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 13:58:10,760 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 13:58:10,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 13:58:10,760 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 13:58:10,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 13:58:10,761 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 13:58:10,761 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 13:58:10,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:58:10,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 13:58:10,762 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 13:58:10,762 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 13:58:10,763 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 13:58:10,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 13:58:10,764 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 13:58:10,764 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 13:58:10,764 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 13:58:10,765 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 13:58:10,766 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 21bb8f266262880d0d6873fb2e4e8bc5cd60f79baa0774ffc8a8aedd31b66692 [2024-11-20 13:58:11,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 13:58:11,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 13:58:11,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 13:58:11,073 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 13:58:11,073 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 13:58:11,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-3.i [2024-11-20 13:58:12,570 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 13:58:12,858 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 13:58:12,859 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-race-challenges/per-thread-array-join-counter-race-3.i [2024-11-20 13:58:12,881 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74f2cc4e9/5d2c88aaa243422794498708f8514e64/FLAG24a7bdb96 [2024-11-20 13:58:13,140 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74f2cc4e9/5d2c88aaa243422794498708f8514e64 [2024-11-20 13:58:13,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 13:58:13,144 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 13:58:13,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 13:58:13,146 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 13:58:13,152 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 13:58:13,153 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:58:13" (1/1) ... [2024-11-20 13:58:13,154 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72640472 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:13, skipping insertion in model container [2024-11-20 13:58:13,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:58:13" (1/1) ... [2024-11-20 13:58:13,221 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 13:58:13,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:58:13,704 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 13:58:13,760 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 13:58:13,820 INFO L204 MainTranslator]: Completed translation [2024-11-20 13:58:13,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:13 WrapperNode [2024-11-20 13:58:13,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 13:58:13,821 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 13:58:13,821 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 13:58:13,821 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 13:58:13,829 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:13" (1/1) ... [2024-11-20 13:58:13,855 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:13" (1/1) ... [2024-11-20 13:58:13,886 INFO L138 Inliner]: procedures = 267, calls = 41, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 268 [2024-11-20 13:58:13,887 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 13:58:13,889 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 13:58:13,889 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 13:58:13,889 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 13:58:13,897 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:13" (1/1) ... [2024-11-20 13:58:13,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:13" (1/1) ... [2024-11-20 13:58:13,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:13" (1/1) ... [2024-11-20 13:58:13,903 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:13" (1/1) ... [2024-11-20 13:58:13,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:13" (1/1) ... [2024-11-20 13:58:13,920 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:13" (1/1) ... [2024-11-20 13:58:13,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:13" (1/1) ... [2024-11-20 13:58:13,925 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:13" (1/1) ... [2024-11-20 13:58:13,930 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 13:58:13,931 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 13:58:13,931 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 13:58:13,932 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 13:58:13,932 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:13" (1/1) ... [2024-11-20 13:58:13,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 13:58:13,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 13:58:13,985 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) [2024-11-20 13:58:13,989 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 [2024-11-20 13:58:14,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 13:58:14,040 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-20 13:58:14,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-20 13:58:14,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-20 13:58:14,041 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-20 13:58:14,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 13:58:14,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 13:58:14,042 INFO L130 BoogieDeclarations]: Found specification of procedure cleaner [2024-11-20 13:58:14,042 INFO L138 BoogieDeclarations]: Found implementation of procedure cleaner [2024-11-20 13:58:14,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 13:58:14,042 INFO L130 BoogieDeclarations]: Found specification of procedure thread [2024-11-20 13:58:14,042 INFO L138 BoogieDeclarations]: Found implementation of procedure thread [2024-11-20 13:58:14,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 13:58:14,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 13:58:14,045 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-20 13:58:14,234 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 13:58:14,237 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 13:58:14,872 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-20 13:58:14,872 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 13:58:14,918 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 13:58:14,919 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-20 13:58:14,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:58:14 BoogieIcfgContainer [2024-11-20 13:58:14,919 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 13:58:14,921 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 13:58:14,921 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 13:58:14,925 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 13:58:14,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 01:58:13" (1/3) ... [2024-11-20 13:58:14,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aec2ea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:58:14, skipping insertion in model container [2024-11-20 13:58:14,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:13" (2/3) ... [2024-11-20 13:58:14,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2aec2ea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 01:58:14, skipping insertion in model container [2024-11-20 13:58:14,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:58:14" (3/3) ... [2024-11-20 13:58:14,929 INFO L112 eAbstractionObserver]: Analyzing ICFG per-thread-array-join-counter-race-3.i [2024-11-20 13:58:14,946 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 13:58:14,946 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2024-11-20 13:58:14,948 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-20 13:58:15,061 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-20 13:58:15,110 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 458 places, 467 transitions, 948 flow [2024-11-20 13:58:15,346 INFO L124 PetriNetUnfolderBase]: 21/588 cut-off events. [2024-11-20 13:58:15,346 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-20 13:58:15,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 599 conditions, 588 events. 21/588 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 910 event pairs, 0 based on Foata normal form. 0/503 useless extension candidates. Maximal degree in co-relation 376. Up to 6 conditions per place. [2024-11-20 13:58:15,361 INFO L82 GeneralOperation]: Start removeDead. Operand has 458 places, 467 transitions, 948 flow [2024-11-20 13:58:15,373 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 390 places, 395 transitions, 800 flow [2024-11-20 13:58:15,388 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 13:58:15,398 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;@71cb0b61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 13:58:15,398 INFO L334 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2024-11-20 13:58:15,420 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-20 13:58:15,420 INFO L124 PetriNetUnfolderBase]: 0/147 cut-off events. [2024-11-20 13:58:15,420 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-20 13:58:15,421 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:58:15,421 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] [2024-11-20 13:58:15,422 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-20 13:58:15,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:58:15,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1820901917, now seen corresponding path program 1 times [2024-11-20 13:58:15,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:58:15,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514783596] [2024-11-20 13:58:15,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:58:15,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:58:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:58:15,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:58:15,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:58:15,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514783596] [2024-11-20 13:58:15,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514783596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:58:15,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:58:15,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:58:15,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865187654] [2024-11-20 13:58:15,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:58:15,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:58:15,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:58:15,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:58:15,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:58:16,050 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 467 [2024-11-20 13:58:16,056 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 395 transitions, 800 flow. Second operand has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 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) [2024-11-20 13:58:16,056 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:58:16,057 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 467 [2024-11-20 13:58:16,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:58:17,148 INFO L124 PetriNetUnfolderBase]: 654/4279 cut-off events. [2024-11-20 13:58:17,148 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-20 13:58:17,166 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5315 conditions, 4279 events. 654/4279 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 33073 event pairs, 489 based on Foata normal form. 182/3774 useless extension candidates. Maximal degree in co-relation 5083. Up to 1006 conditions per place. [2024-11-20 13:58:17,190 INFO L140 encePairwiseOnDemand]: 457/467 looper letters, 28 selfloop transitions, 2 changer transitions 1/385 dead transitions. [2024-11-20 13:58:17,191 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 385 transitions, 840 flow [2024-11-20 13:58:17,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:58:17,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:58:17,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1298 transitions. [2024-11-20 13:58:17,214 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.926481084939329 [2024-11-20 13:58:17,216 INFO L175 Difference]: Start difference. First operand has 390 places, 395 transitions, 800 flow. Second operand 3 states and 1298 transitions. [2024-11-20 13:58:17,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 385 transitions, 840 flow [2024-11-20 13:58:17,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 385 transitions, 839 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:58:17,234 INFO L231 Difference]: Finished difference. Result has 387 places, 384 transitions, 781 flow [2024-11-20 13:58:17,237 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=779, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=385, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=383, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=781, PETRI_PLACES=387, PETRI_TRANSITIONS=384} [2024-11-20 13:58:17,240 INFO L277 CegarLoopForPetriNet]: 390 programPoint places, -3 predicate places. [2024-11-20 13:58:17,243 INFO L471 AbstractCegarLoop]: Abstraction has has 387 places, 384 transitions, 781 flow [2024-11-20 13:58:17,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 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) [2024-11-20 13:58:17,245 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:58:17,245 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] [2024-11-20 13:58:17,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 13:58:17,247 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-20 13:58:17,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:58:17,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1725122573, now seen corresponding path program 1 times [2024-11-20 13:58:17,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:58:17,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580332090] [2024-11-20 13:58:17,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:58:17,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:58:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:58:17,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:58:17,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:58:17,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580332090] [2024-11-20 13:58:17,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580332090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:58:17,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:58:17,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:58:17,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089050644] [2024-11-20 13:58:17,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:58:17,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:58:17,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:58:17,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:58:17,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:58:17,495 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 410 out of 467 [2024-11-20 13:58:17,496 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 387 places, 384 transitions, 781 flow. Second operand has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 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) [2024-11-20 13:58:17,497 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:58:17,497 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 410 of 467 [2024-11-20 13:58:17,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:58:18,407 INFO L124 PetriNetUnfolderBase]: 747/4722 cut-off events. [2024-11-20 13:58:18,407 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-11-20 13:58:18,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5909 conditions, 4722 events. 747/4722 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 37730 event pairs, 571 based on Foata normal form. 0/4002 useless extension candidates. Maximal degree in co-relation 5752. Up to 1153 conditions per place. [2024-11-20 13:58:18,444 INFO L140 encePairwiseOnDemand]: 459/467 looper letters, 31 selfloop transitions, 1 changer transitions 0/377 dead transitions. [2024-11-20 13:58:18,444 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 381 places, 377 transitions, 831 flow [2024-11-20 13:58:18,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:58:18,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:58:18,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1269 transitions. [2024-11-20 13:58:18,448 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9057815845824411 [2024-11-20 13:58:18,448 INFO L175 Difference]: Start difference. First operand has 387 places, 384 transitions, 781 flow. Second operand 3 states and 1269 transitions. [2024-11-20 13:58:18,448 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 381 places, 377 transitions, 831 flow [2024-11-20 13:58:18,451 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 377 transitions, 827 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:58:18,455 INFO L231 Difference]: Finished difference. Result has 379 places, 377 transitions, 765 flow [2024-11-20 13:58:18,456 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=763, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=376, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=765, PETRI_PLACES=379, PETRI_TRANSITIONS=377} [2024-11-20 13:58:18,457 INFO L277 CegarLoopForPetriNet]: 390 programPoint places, -11 predicate places. [2024-11-20 13:58:18,457 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 377 transitions, 765 flow [2024-11-20 13:58:18,458 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 411.0) internal successors, (1233), 3 states have internal predecessors, (1233), 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) [2024-11-20 13:58:18,458 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:58:18,458 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, 1] [2024-11-20 13:58:18,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 13:58:18,459 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-20 13:58:18,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:58:18,461 INFO L85 PathProgramCache]: Analyzing trace with hash 435785670, now seen corresponding path program 1 times [2024-11-20 13:58:18,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:58:18,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066489554] [2024-11-20 13:58:18,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:58:18,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:58:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:58:18,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:58:18,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:58:18,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066489554] [2024-11-20 13:58:18,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066489554] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:58:18,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:58:18,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:58:18,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143856067] [2024-11-20 13:58:18,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:58:18,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:58:18,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:58:18,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:58:18,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:58:18,637 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 424 out of 467 [2024-11-20 13:58:18,639 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 377 transitions, 765 flow. Second operand has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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) [2024-11-20 13:58:18,639 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:58:18,639 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 424 of 467 [2024-11-20 13:58:18,639 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:58:19,587 INFO L124 PetriNetUnfolderBase]: 709/4507 cut-off events. [2024-11-20 13:58:19,588 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2024-11-20 13:58:19,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5641 conditions, 4507 events. 709/4507 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 36414 event pairs, 546 based on Foata normal form. 0/3832 useless extension candidates. Maximal degree in co-relation 5484. Up to 1102 conditions per place. [2024-11-20 13:58:19,633 INFO L140 encePairwiseOnDemand]: 464/467 looper letters, 24 selfloop transitions, 2 changer transitions 0/376 dead transitions. [2024-11-20 13:58:19,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 376 transitions, 815 flow [2024-11-20 13:58:19,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:58:19,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:58:19,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1299 transitions. [2024-11-20 13:58:19,638 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9271948608137045 [2024-11-20 13:58:19,639 INFO L175 Difference]: Start difference. First operand has 379 places, 377 transitions, 765 flow. Second operand 3 states and 1299 transitions. [2024-11-20 13:58:19,639 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 376 transitions, 815 flow [2024-11-20 13:58:19,643 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 379 places, 376 transitions, 814 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:58:19,648 INFO L231 Difference]: Finished difference. Result has 379 places, 376 transitions, 766 flow [2024-11-20 13:58:19,649 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=762, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=376, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=374, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=766, PETRI_PLACES=379, PETRI_TRANSITIONS=376} [2024-11-20 13:58:19,651 INFO L277 CegarLoopForPetriNet]: 390 programPoint places, -11 predicate places. [2024-11-20 13:58:19,652 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 376 transitions, 766 flow [2024-11-20 13:58:19,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 425.3333333333333) internal successors, (1276), 3 states have internal predecessors, (1276), 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) [2024-11-20 13:58:19,653 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:58:19,653 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:58:19,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 13:58:19,654 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-20 13:58:19,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:58:19,655 INFO L85 PathProgramCache]: Analyzing trace with hash -141388662, now seen corresponding path program 1 times [2024-11-20 13:58:19,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:58:19,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553394742] [2024-11-20 13:58:19,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:58:19,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:58:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:58:19,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:58:19,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:58:19,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553394742] [2024-11-20 13:58:19,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1553394742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:58:19,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:58:19,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:58:19,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241619689] [2024-11-20 13:58:19,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:58:19,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:58:19,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:58:19,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:58:19,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:58:19,832 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 423 out of 467 [2024-11-20 13:58:19,834 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 376 transitions, 766 flow. Second operand has 3 states, 3 states have (on average 424.3333333333333) internal successors, (1273), 3 states have internal predecessors, (1273), 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) [2024-11-20 13:58:19,834 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:58:19,834 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 467 [2024-11-20 13:58:19,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:58:20,729 INFO L124 PetriNetUnfolderBase]: 835/4382 cut-off events. [2024-11-20 13:58:20,730 INFO L125 PetriNetUnfolderBase]: For 34/34 co-relation queries the response was YES. [2024-11-20 13:58:20,749 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5680 conditions, 4382 events. 835/4382 cut-off events. For 34/34 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 33610 event pairs, 605 based on Foata normal form. 0/3747 useless extension candidates. Maximal degree in co-relation 5523. Up to 1258 conditions per place. [2024-11-20 13:58:20,771 INFO L140 encePairwiseOnDemand]: 464/467 looper letters, 24 selfloop transitions, 2 changer transitions 0/375 dead transitions. [2024-11-20 13:58:20,772 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 380 places, 375 transitions, 816 flow [2024-11-20 13:58:20,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:58:20,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:58:20,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1296 transitions. [2024-11-20 13:58:20,776 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9250535331905781 [2024-11-20 13:58:20,776 INFO L175 Difference]: Start difference. First operand has 379 places, 376 transitions, 766 flow. Second operand 3 states and 1296 transitions. [2024-11-20 13:58:20,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 380 places, 375 transitions, 816 flow [2024-11-20 13:58:20,778 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 378 places, 375 transitions, 812 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:58:20,782 INFO L231 Difference]: Finished difference. Result has 378 places, 375 transitions, 764 flow [2024-11-20 13:58:20,783 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=760, PETRI_DIFFERENCE_MINUEND_PLACES=376, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=375, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=373, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=764, PETRI_PLACES=378, PETRI_TRANSITIONS=375} [2024-11-20 13:58:20,784 INFO L277 CegarLoopForPetriNet]: 390 programPoint places, -12 predicate places. [2024-11-20 13:58:20,785 INFO L471 AbstractCegarLoop]: Abstraction has has 378 places, 375 transitions, 764 flow [2024-11-20 13:58:20,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 424.3333333333333) internal successors, (1273), 3 states have internal predecessors, (1273), 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) [2024-11-20 13:58:20,786 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:58:20,786 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:58:20,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 13:58:20,787 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-20 13:58:20,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:58:20,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1948743584, now seen corresponding path program 1 times [2024-11-20 13:58:20,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:58:20,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475672488] [2024-11-20 13:58:20,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:58:20,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:58:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:58:20,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:58:20,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:58:20,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475672488] [2024-11-20 13:58:20,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475672488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:58:20,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:58:20,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:58:20,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005732219] [2024-11-20 13:58:20,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:58:20,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:58:20,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:58:20,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:58:20,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:58:20,924 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 421 out of 467 [2024-11-20 13:58:20,926 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 378 places, 375 transitions, 764 flow. Second operand has 3 states, 3 states have (on average 422.3333333333333) internal successors, (1267), 3 states have internal predecessors, (1267), 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) [2024-11-20 13:58:20,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:58:20,926 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 421 of 467 [2024-11-20 13:58:20,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:58:21,714 INFO L124 PetriNetUnfolderBase]: 991/4615 cut-off events. [2024-11-20 13:58:21,715 INFO L125 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2024-11-20 13:58:21,740 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6132 conditions, 4615 events. 991/4615 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 88. Compared 36117 event pairs, 713 based on Foata normal form. 0/3955 useless extension candidates. Maximal degree in co-relation 5975. Up to 1475 conditions per place. [2024-11-20 13:58:21,860 INFO L140 encePairwiseOnDemand]: 464/467 looper letters, 26 selfloop transitions, 2 changer transitions 0/374 dead transitions. [2024-11-20 13:58:21,860 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 379 places, 374 transitions, 818 flow [2024-11-20 13:58:21,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:58:21,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:58:21,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1292 transitions. [2024-11-20 13:58:21,871 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9221984296930764 [2024-11-20 13:58:21,871 INFO L175 Difference]: Start difference. First operand has 378 places, 375 transitions, 764 flow. Second operand 3 states and 1292 transitions. [2024-11-20 13:58:21,871 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 379 places, 374 transitions, 818 flow [2024-11-20 13:58:21,878 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 374 transitions, 814 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:58:21,890 INFO L231 Difference]: Finished difference. Result has 377 places, 374 transitions, 762 flow [2024-11-20 13:58:21,891 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=758, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=374, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=372, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=762, PETRI_PLACES=377, PETRI_TRANSITIONS=374} [2024-11-20 13:58:21,892 INFO L277 CegarLoopForPetriNet]: 390 programPoint places, -13 predicate places. [2024-11-20 13:58:21,893 INFO L471 AbstractCegarLoop]: Abstraction has has 377 places, 374 transitions, 762 flow [2024-11-20 13:58:21,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 422.3333333333333) internal successors, (1267), 3 states have internal predecessors, (1267), 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) [2024-11-20 13:58:21,895 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:58:21,895 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:58:21,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 13:58:21,895 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-20 13:58:21,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:58:21,896 INFO L85 PathProgramCache]: Analyzing trace with hash -487062641, now seen corresponding path program 1 times [2024-11-20 13:58:21,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:58:21,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667668379] [2024-11-20 13:58:21,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:58:21,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:58:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:58:21,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:58:21,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:58:21,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667668379] [2024-11-20 13:58:21,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667668379] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:58:21,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:58:21,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:58:21,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399137462] [2024-11-20 13:58:21,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:58:21,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:58:21,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:58:21,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:58:21,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:58:22,013 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 413 out of 467 [2024-11-20 13:58:22,015 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 374 transitions, 762 flow. Second operand has 3 states, 3 states have (on average 414.0) internal successors, (1242), 3 states have internal predecessors, (1242), 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) [2024-11-20 13:58:22,016 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:58:22,016 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 413 of 467 [2024-11-20 13:58:22,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:58:23,050 INFO L124 PetriNetUnfolderBase]: 1448/5216 cut-off events. [2024-11-20 13:58:23,051 INFO L125 PetriNetUnfolderBase]: For 38/38 co-relation queries the response was YES. [2024-11-20 13:58:23,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7410 conditions, 5216 events. 1448/5216 cut-off events. For 38/38 co-relation queries the response was YES. Maximal size of possible extension queue 112. Compared 40079 event pairs, 666 based on Foata normal form. 0/4639 useless extension candidates. Maximal degree in co-relation 7254. Up to 2100 conditions per place. [2024-11-20 13:58:23,079 INFO L140 encePairwiseOnDemand]: 459/467 looper letters, 38 selfloop transitions, 3 changer transitions 0/382 dead transitions. [2024-11-20 13:58:23,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 374 places, 382 transitions, 865 flow [2024-11-20 13:58:23,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:58:23,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:58:23,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1285 transitions. [2024-11-20 13:58:23,083 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9172019985724482 [2024-11-20 13:58:23,083 INFO L175 Difference]: Start difference. First operand has 377 places, 374 transitions, 762 flow. Second operand 3 states and 1285 transitions. [2024-11-20 13:58:23,083 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 374 places, 382 transitions, 865 flow [2024-11-20 13:58:23,085 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 382 transitions, 861 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:58:23,089 INFO L231 Difference]: Finished difference. Result has 373 places, 372 transitions, 769 flow [2024-11-20 13:58:23,090 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=748, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=769, PETRI_PLACES=373, PETRI_TRANSITIONS=372} [2024-11-20 13:58:23,091 INFO L277 CegarLoopForPetriNet]: 390 programPoint places, -17 predicate places. [2024-11-20 13:58:23,091 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 372 transitions, 769 flow [2024-11-20 13:58:23,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 414.0) internal successors, (1242), 3 states have internal predecessors, (1242), 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) [2024-11-20 13:58:23,092 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:58:23,092 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:58:23,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 13:58:23,093 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-20 13:58:23,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:58:23,093 INFO L85 PathProgramCache]: Analyzing trace with hash -563579689, now seen corresponding path program 1 times [2024-11-20 13:58:23,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:58:23,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969164152] [2024-11-20 13:58:23,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:58:23,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:58:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:58:23,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:58:23,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:58:23,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969164152] [2024-11-20 13:58:23,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969164152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:58:23,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:58:23,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:58:23,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066875261] [2024-11-20 13:58:23,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:58:23,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:58:23,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:58:23,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:58:23,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:58:23,190 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 422 out of 467 [2024-11-20 13:58:23,193 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 372 transitions, 769 flow. Second operand has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 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) [2024-11-20 13:58:23,193 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:58:23,193 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 422 of 467 [2024-11-20 13:58:23,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:58:24,183 INFO L124 PetriNetUnfolderBase]: 1016/5667 cut-off events. [2024-11-20 13:58:24,184 INFO L125 PetriNetUnfolderBase]: For 41/41 co-relation queries the response was YES. [2024-11-20 13:58:24,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7406 conditions, 5667 events. 1016/5667 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 117. Compared 48530 event pairs, 681 based on Foata normal form. 0/5034 useless extension candidates. Maximal degree in co-relation 7250. Up to 1521 conditions per place. [2024-11-20 13:58:24,237 INFO L140 encePairwiseOnDemand]: 461/467 looper letters, 30 selfloop transitions, 3 changer transitions 0/378 dead transitions. [2024-11-20 13:58:24,237 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 372 places, 378 transitions, 847 flow [2024-11-20 13:58:24,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:58:24,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:58:24,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1302 transitions. [2024-11-20 13:58:24,241 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9293361884368309 [2024-11-20 13:58:24,241 INFO L175 Difference]: Start difference. First operand has 373 places, 372 transitions, 769 flow. Second operand 3 states and 1302 transitions. [2024-11-20 13:58:24,242 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 372 places, 378 transitions, 847 flow [2024-11-20 13:58:24,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 372 places, 378 transitions, 847 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:58:24,249 INFO L231 Difference]: Finished difference. Result has 373 places, 372 transitions, 784 flow [2024-11-20 13:58:24,250 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=763, PETRI_DIFFERENCE_MINUEND_PLACES=370, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=369, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=366, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=784, PETRI_PLACES=373, PETRI_TRANSITIONS=372} [2024-11-20 13:58:24,251 INFO L277 CegarLoopForPetriNet]: 390 programPoint places, -17 predicate places. [2024-11-20 13:58:24,251 INFO L471 AbstractCegarLoop]: Abstraction has has 373 places, 372 transitions, 784 flow [2024-11-20 13:58:24,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 423.3333333333333) internal successors, (1270), 3 states have internal predecessors, (1270), 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) [2024-11-20 13:58:24,252 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:58:24,253 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:58:24,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-20 13:58:24,253 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-20 13:58:24,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:58:24,254 INFO L85 PathProgramCache]: Analyzing trace with hash -263439936, now seen corresponding path program 1 times [2024-11-20 13:58:24,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:58:24,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795356351] [2024-11-20 13:58:24,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:58:24,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:58:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:58:24,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:58:24,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:58:24,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795356351] [2024-11-20 13:58:24,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795356351] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:58:24,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:58:24,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:58:24,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202216171] [2024-11-20 13:58:24,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:58:24,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:58:24,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:58:24,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:58:24,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:58:24,400 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 467 [2024-11-20 13:58:24,402 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 372 transitions, 784 flow. Second operand has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 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) [2024-11-20 13:58:24,402 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:58:24,403 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 467 [2024-11-20 13:58:24,403 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:58:26,058 INFO L124 PetriNetUnfolderBase]: 1809/8546 cut-off events. [2024-11-20 13:58:26,059 INFO L125 PetriNetUnfolderBase]: For 81/81 co-relation queries the response was YES. [2024-11-20 13:58:26,101 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11625 conditions, 8546 events. 1809/8546 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 162. Compared 76047 event pairs, 655 based on Foata normal form. 0/7383 useless extension candidates. Maximal degree in co-relation 11468. Up to 1443 conditions per place. [2024-11-20 13:58:26,132 INFO L140 encePairwiseOnDemand]: 456/467 looper letters, 44 selfloop transitions, 8 changer transitions 0/396 dead transitions. [2024-11-20 13:58:26,132 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 375 places, 396 transitions, 942 flow [2024-11-20 13:58:26,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:58:26,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:58:26,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1315 transitions. [2024-11-20 13:58:26,135 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9386152748037117 [2024-11-20 13:58:26,135 INFO L175 Difference]: Start difference. First operand has 373 places, 372 transitions, 784 flow. Second operand 3 states and 1315 transitions. [2024-11-20 13:58:26,135 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 375 places, 396 transitions, 942 flow [2024-11-20 13:58:26,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 375 places, 396 transitions, 942 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:58:26,144 INFO L231 Difference]: Finished difference. Result has 377 places, 380 transitions, 854 flow [2024-11-20 13:58:26,145 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=784, PETRI_DIFFERENCE_MINUEND_PLACES=373, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=372, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=364, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=854, PETRI_PLACES=377, PETRI_TRANSITIONS=380} [2024-11-20 13:58:26,148 INFO L277 CegarLoopForPetriNet]: 390 programPoint places, -13 predicate places. [2024-11-20 13:58:26,148 INFO L471 AbstractCegarLoop]: Abstraction has has 377 places, 380 transitions, 854 flow [2024-11-20 13:58:26,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 421.3333333333333) internal successors, (1264), 3 states have internal predecessors, (1264), 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) [2024-11-20 13:58:26,150 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:58:26,150 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:58:26,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-20 13:58:26,150 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting cleanerErr2ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-20 13:58:26,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:58:26,154 INFO L85 PathProgramCache]: Analyzing trace with hash 13248787, now seen corresponding path program 1 times [2024-11-20 13:58:26,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:58:26,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845478529] [2024-11-20 13:58:26,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:58:26,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:58:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:58:26,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:58:26,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:58:26,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845478529] [2024-11-20 13:58:26,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845478529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:58:26,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:58:26,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:58:26,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481620574] [2024-11-20 13:58:26,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:58:26,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:58:26,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:58:26,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:58:26,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:58:26,270 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 419 out of 467 [2024-11-20 13:58:26,272 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 377 places, 380 transitions, 854 flow. Second operand has 3 states, 3 states have (on average 420.6666666666667) internal successors, (1262), 3 states have internal predecessors, (1262), 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) [2024-11-20 13:58:26,272 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:58:26,272 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 419 of 467 [2024-11-20 13:58:26,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:58:28,156 INFO L124 PetriNetUnfolderBase]: 2070/10403 cut-off events. [2024-11-20 13:58:28,156 INFO L125 PetriNetUnfolderBase]: For 268/280 co-relation queries the response was YES. [2024-11-20 13:58:28,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14505 conditions, 10403 events. 2070/10403 cut-off events. For 268/280 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 98509 event pairs, 1154 based on Foata normal form. 0/9377 useless extension candidates. Maximal degree in co-relation 14346. Up to 2624 conditions per place. [2024-11-20 13:58:28,233 INFO L140 encePairwiseOnDemand]: 462/467 looper letters, 35 selfloop transitions, 2 changer transitions 0/390 dead transitions. [2024-11-20 13:58:28,233 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 376 places, 390 transitions, 951 flow [2024-11-20 13:58:28,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:58:28,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:58:28,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1297 transitions. [2024-11-20 13:58:28,236 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9257673090649536 [2024-11-20 13:58:28,236 INFO L175 Difference]: Start difference. First operand has 377 places, 380 transitions, 854 flow. Second operand 3 states and 1297 transitions. [2024-11-20 13:58:28,236 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 376 places, 390 transitions, 951 flow [2024-11-20 13:58:28,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 374 places, 390 transitions, 935 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:58:28,247 INFO L231 Difference]: Finished difference. Result has 375 places, 379 transitions, 846 flow [2024-11-20 13:58:28,248 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=832, PETRI_DIFFERENCE_MINUEND_PLACES=372, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=377, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=375, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=846, PETRI_PLACES=375, PETRI_TRANSITIONS=379} [2024-11-20 13:58:28,249 INFO L277 CegarLoopForPetriNet]: 390 programPoint places, -15 predicate places. [2024-11-20 13:58:28,249 INFO L471 AbstractCegarLoop]: Abstraction has has 375 places, 379 transitions, 846 flow [2024-11-20 13:58:28,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 420.6666666666667) internal successors, (1262), 3 states have internal predecessors, (1262), 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) [2024-11-20 13:58:28,250 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:58:28,250 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:58:28,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 13:58:28,250 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting cleanerErr3ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-20 13:58:28,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:58:28,251 INFO L85 PathProgramCache]: Analyzing trace with hash -441432345, now seen corresponding path program 1 times [2024-11-20 13:58:28,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:58:28,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186035973] [2024-11-20 13:58:28,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:58:28,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:58:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:58:28,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:58:28,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:58:28,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186035973] [2024-11-20 13:58:28,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186035973] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:58:28,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:58:28,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:58:28,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598370082] [2024-11-20 13:58:28,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:58:28,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:58:28,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:58:28,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:58:28,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:58:28,556 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 420 out of 467 [2024-11-20 13:58:28,558 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 375 places, 379 transitions, 846 flow. Second operand has 3 states, 3 states have (on average 422.3333333333333) internal successors, (1267), 3 states have internal predecessors, (1267), 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) [2024-11-20 13:58:28,558 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:58:28,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 420 of 467 [2024-11-20 13:58:28,559 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:58:31,943 INFO L124 PetriNetUnfolderBase]: 4584/20444 cut-off events. [2024-11-20 13:58:31,944 INFO L125 PetriNetUnfolderBase]: For 151/151 co-relation queries the response was YES. [2024-11-20 13:58:32,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29170 conditions, 20444 events. 4584/20444 cut-off events. For 151/151 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 219923 event pairs, 2480 based on Foata normal form. 0/18521 useless extension candidates. Maximal degree in co-relation 29010. Up to 5342 conditions per place. [2024-11-20 13:58:32,116 INFO L140 encePairwiseOnDemand]: 457/467 looper letters, 45 selfloop transitions, 9 changer transitions 0/402 dead transitions. [2024-11-20 13:58:32,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 377 places, 402 transitions, 1006 flow [2024-11-20 13:58:32,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:58:32,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:58:32,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1315 transitions. [2024-11-20 13:58:32,123 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9386152748037117 [2024-11-20 13:58:32,125 INFO L175 Difference]: Start difference. First operand has 375 places, 379 transitions, 846 flow. Second operand 3 states and 1315 transitions. [2024-11-20 13:58:32,125 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 377 places, 402 transitions, 1006 flow [2024-11-20 13:58:32,130 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 377 places, 402 transitions, 1006 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:58:32,134 INFO L231 Difference]: Finished difference. Result has 379 places, 387 transitions, 916 flow [2024-11-20 13:58:32,135 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=846, PETRI_DIFFERENCE_MINUEND_PLACES=375, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=379, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=370, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=916, PETRI_PLACES=379, PETRI_TRANSITIONS=387} [2024-11-20 13:58:32,136 INFO L277 CegarLoopForPetriNet]: 390 programPoint places, -11 predicate places. [2024-11-20 13:58:32,137 INFO L471 AbstractCegarLoop]: Abstraction has has 379 places, 387 transitions, 916 flow [2024-11-20 13:58:32,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 422.3333333333333) internal successors, (1267), 3 states have internal predecessors, (1267), 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) [2024-11-20 13:58:32,138 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:58:32,138 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:58:32,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-20 13:58:32,138 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-20 13:58:32,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:58:32,138 INFO L85 PathProgramCache]: Analyzing trace with hash -2015945854, now seen corresponding path program 1 times [2024-11-20 13:58:32,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:58:32,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978457445] [2024-11-20 13:58:32,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:58:32,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:58:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:58:32,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:58:32,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:58:32,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978457445] [2024-11-20 13:58:32,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978457445] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:58:32,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:58:32,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:58:32,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519464037] [2024-11-20 13:58:32,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:58:32,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 13:58:32,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:58:32,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 13:58:32,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 13:58:32,585 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 423 out of 467 [2024-11-20 13:58:32,588 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 379 places, 387 transitions, 916 flow. Second operand has 5 states, 5 states have (on average 424.8) internal successors, (2124), 5 states have internal predecessors, (2124), 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) [2024-11-20 13:58:32,588 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:58:32,588 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 467 [2024-11-20 13:58:32,588 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:58:35,403 INFO L124 PetriNetUnfolderBase]: 2538/15328 cut-off events. [2024-11-20 13:58:35,403 INFO L125 PetriNetUnfolderBase]: For 519/583 co-relation queries the response was YES. [2024-11-20 13:58:35,477 INFO L83 FinitePrefix]: Finished finitePrefix Result has 21652 conditions, 15328 events. 2538/15328 cut-off events. For 519/583 co-relation queries the response was YES. Maximal size of possible extension queue 224. Compared 166223 event pairs, 1887 based on Foata normal form. 4/13914 useless extension candidates. Maximal degree in co-relation 21488. Up to 3397 conditions per place. [2024-11-20 13:58:35,530 INFO L140 encePairwiseOnDemand]: 458/467 looper letters, 36 selfloop transitions, 8 changer transitions 0/401 dead transitions. [2024-11-20 13:58:35,530 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 384 places, 401 transitions, 1031 flow [2024-11-20 13:58:35,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:58:35,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:58:35,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2583 transitions. [2024-11-20 13:58:35,536 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9218415417558886 [2024-11-20 13:58:35,536 INFO L175 Difference]: Start difference. First operand has 379 places, 387 transitions, 916 flow. Second operand 6 states and 2583 transitions. [2024-11-20 13:58:35,536 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 384 places, 401 transitions, 1031 flow [2024-11-20 13:58:35,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 382 places, 401 transitions, 1013 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:58:35,549 INFO L231 Difference]: Finished difference. Result has 386 places, 391 transitions, 943 flow [2024-11-20 13:58:35,550 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=893, PETRI_DIFFERENCE_MINUEND_PLACES=377, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=386, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=378, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=943, PETRI_PLACES=386, PETRI_TRANSITIONS=391} [2024-11-20 13:58:35,550 INFO L277 CegarLoopForPetriNet]: 390 programPoint places, -4 predicate places. [2024-11-20 13:58:35,551 INFO L471 AbstractCegarLoop]: Abstraction has has 386 places, 391 transitions, 943 flow [2024-11-20 13:58:35,552 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 424.8) internal successors, (2124), 5 states have internal predecessors, (2124), 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) [2024-11-20 13:58:35,552 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:58:35,552 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:58:35,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-20 13:58:35,553 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-20 13:58:35,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:58:35,553 INFO L85 PathProgramCache]: Analyzing trace with hash 216055538, now seen corresponding path program 1 times [2024-11-20 13:58:35,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:58:35,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030692880] [2024-11-20 13:58:35,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:58:35,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:58:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:58:35,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:58:35,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:58:35,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030692880] [2024-11-20 13:58:35,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030692880] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:58:35,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:58:35,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 13:58:35,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660016299] [2024-11-20 13:58:35,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:58:35,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 13:58:35,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:58:35,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 13:58:35,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 13:58:35,670 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 431 out of 467 [2024-11-20 13:58:35,672 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 386 places, 391 transitions, 943 flow. Second operand has 3 states, 3 states have (on average 432.6666666666667) internal successors, (1298), 3 states have internal predecessors, (1298), 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) [2024-11-20 13:58:35,672 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:58:35,672 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 431 of 467 [2024-11-20 13:58:35,672 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:58:39,086 INFO L124 PetriNetUnfolderBase]: 3409/17516 cut-off events. [2024-11-20 13:58:39,086 INFO L125 PetriNetUnfolderBase]: For 225/256 co-relation queries the response was YES. [2024-11-20 13:58:39,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25078 conditions, 17516 events. 3409/17516 cut-off events. For 225/256 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 191527 event pairs, 1915 based on Foata normal form. 2/15579 useless extension candidates. Maximal degree in co-relation 24910. Up to 3412 conditions per place. [2024-11-20 13:58:39,279 INFO L140 encePairwiseOnDemand]: 463/467 looper letters, 29 selfloop transitions, 3 changer transitions 0/402 dead transitions. [2024-11-20 13:58:39,279 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 388 places, 402 transitions, 1032 flow [2024-11-20 13:58:39,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 13:58:39,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-20 13:58:39,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1326 transitions. [2024-11-20 13:58:39,283 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9464668094218416 [2024-11-20 13:58:39,284 INFO L175 Difference]: Start difference. First operand has 386 places, 391 transitions, 943 flow. Second operand 3 states and 1326 transitions. [2024-11-20 13:58:39,284 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 388 places, 402 transitions, 1032 flow [2024-11-20 13:58:39,290 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 387 places, 402 transitions, 1028 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-20 13:58:39,296 INFO L231 Difference]: Finished difference. Result has 389 places, 393 transitions, 961 flow [2024-11-20 13:58:39,297 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=939, PETRI_DIFFERENCE_MINUEND_PLACES=385, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=391, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=961, PETRI_PLACES=389, PETRI_TRANSITIONS=393} [2024-11-20 13:58:39,297 INFO L277 CegarLoopForPetriNet]: 390 programPoint places, -1 predicate places. [2024-11-20 13:58:39,297 INFO L471 AbstractCegarLoop]: Abstraction has has 389 places, 393 transitions, 961 flow [2024-11-20 13:58:39,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 432.6666666666667) internal successors, (1298), 3 states have internal predecessors, (1298), 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) [2024-11-20 13:58:39,299 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:58:39,299 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:58:39,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-20 13:58:39,299 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting cleanerErr5ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-20 13:58:39,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:58:39,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1187314765, now seen corresponding path program 1 times [2024-11-20 13:58:39,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:58:39,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460445188] [2024-11-20 13:58:39,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:58:39,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:58:39,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:58:39,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 13:58:39,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:58:39,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460445188] [2024-11-20 13:58:39,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460445188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:58:39,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:58:39,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:58:39,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481204990] [2024-11-20 13:58:39,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:58:39,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 13:58:39,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:58:39,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 13:58:39,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-20 13:58:39,788 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 423 out of 467 [2024-11-20 13:58:39,791 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 389 places, 393 transitions, 961 flow. Second operand has 5 states, 5 states have (on average 425.0) internal successors, (2125), 5 states have internal predecessors, (2125), 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) [2024-11-20 13:58:39,791 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:58:39,791 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 423 of 467 [2024-11-20 13:58:39,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:58:43,186 INFO L124 PetriNetUnfolderBase]: 3863/20177 cut-off events. [2024-11-20 13:58:43,186 INFO L125 PetriNetUnfolderBase]: For 766/798 co-relation queries the response was YES. [2024-11-20 13:58:43,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29614 conditions, 20177 events. 3863/20177 cut-off events. For 766/798 co-relation queries the response was YES. Maximal size of possible extension queue 269. Compared 225438 event pairs, 2596 based on Foata normal form. 6/18413 useless extension candidates. Maximal degree in co-relation 29443. Up to 5261 conditions per place. [2024-11-20 13:58:43,376 INFO L140 encePairwiseOnDemand]: 458/467 looper letters, 27 selfloop transitions, 4 changer transitions 17/405 dead transitions. [2024-11-20 13:58:43,376 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 394 places, 405 transitions, 1076 flow [2024-11-20 13:58:43,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:58:43,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:58:43,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2584 transitions. [2024-11-20 13:58:43,383 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9221984296930764 [2024-11-20 13:58:43,383 INFO L175 Difference]: Start difference. First operand has 389 places, 393 transitions, 961 flow. Second operand 6 states and 2584 transitions. [2024-11-20 13:58:43,383 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 394 places, 405 transitions, 1076 flow [2024-11-20 13:58:43,395 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 392 places, 405 transitions, 1070 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-20 13:58:43,399 INFO L231 Difference]: Finished difference. Result has 394 places, 388 transitions, 942 flow [2024-11-20 13:58:43,400 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=950, PETRI_DIFFERENCE_MINUEND_PLACES=387, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=392, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=388, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=942, PETRI_PLACES=394, PETRI_TRANSITIONS=388} [2024-11-20 13:58:43,401 INFO L277 CegarLoopForPetriNet]: 390 programPoint places, 4 predicate places. [2024-11-20 13:58:43,401 INFO L471 AbstractCegarLoop]: Abstraction has has 394 places, 388 transitions, 942 flow [2024-11-20 13:58:43,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 425.0) internal successors, (2125), 5 states have internal predecessors, (2125), 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) [2024-11-20 13:58:43,403 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:58:43,403 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:58:43,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-20 13:58:43,404 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-20 13:58:43,404 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:58:43,404 INFO L85 PathProgramCache]: Analyzing trace with hash 1791889725, now seen corresponding path program 1 times [2024-11-20 13:58:43,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:58:43,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719237935] [2024-11-20 13:58:43,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:58:43,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:58:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:58:44,365 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-20 13:58:44,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:58:44,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719237935] [2024-11-20 13:58:44,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719237935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:58:44,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:58:44,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 13:58:44,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343307941] [2024-11-20 13:58:44,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:58:44,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 13:58:44,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:58:44,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 13:58:44,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-20 13:58:44,612 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 407 out of 467 [2024-11-20 13:58:44,615 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 394 places, 388 transitions, 942 flow. Second operand has 6 states, 6 states have (on average 408.8333333333333) internal successors, (2453), 6 states have internal predecessors, (2453), 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) [2024-11-20 13:58:44,615 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:58:44,615 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 407 of 467 [2024-11-20 13:58:44,615 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:58:50,723 INFO L124 PetriNetUnfolderBase]: 8712/33426 cut-off events. [2024-11-20 13:58:50,723 INFO L125 PetriNetUnfolderBase]: For 2608/3106 co-relation queries the response was YES. [2024-11-20 13:58:50,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 54166 conditions, 33426 events. 8712/33426 cut-off events. For 2608/3106 co-relation queries the response was YES. Maximal size of possible extension queue 569. Compared 385388 event pairs, 4892 based on Foata normal form. 3/29908 useless extension candidates. Maximal degree in co-relation 53991. Up to 11080 conditions per place. [2024-11-20 13:58:51,021 INFO L140 encePairwiseOnDemand]: 453/467 looper letters, 95 selfloop transitions, 46 changer transitions 0/484 dead transitions. [2024-11-20 13:58:51,021 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 395 places, 484 transitions, 1498 flow [2024-11-20 13:58:51,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 13:58:51,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-20 13:58:51,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2567 transitions. [2024-11-20 13:58:51,027 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.916131334760885 [2024-11-20 13:58:51,027 INFO L175 Difference]: Start difference. First operand has 394 places, 388 transitions, 942 flow. Second operand 6 states and 2567 transitions. [2024-11-20 13:58:51,027 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 395 places, 484 transitions, 1498 flow [2024-11-20 13:58:51,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 386 places, 484 transitions, 1470 flow, removed 7 selfloop flow, removed 9 redundant places. [2024-11-20 13:58:51,047 INFO L231 Difference]: Finished difference. Result has 390 places, 433 transitions, 1249 flow [2024-11-20 13:58:51,048 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=914, PETRI_DIFFERENCE_MINUEND_PLACES=381, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=388, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=369, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1249, PETRI_PLACES=390, PETRI_TRANSITIONS=433} [2024-11-20 13:58:51,048 INFO L277 CegarLoopForPetriNet]: 390 programPoint places, 0 predicate places. [2024-11-20 13:58:51,048 INFO L471 AbstractCegarLoop]: Abstraction has has 390 places, 433 transitions, 1249 flow [2024-11-20 13:58:51,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 408.8333333333333) internal successors, (2453), 6 states have internal predecessors, (2453), 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) [2024-11-20 13:58:51,050 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:58:51,050 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:58:51,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-20 13:58:51,051 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting cleanerErr5ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-20 13:58:51,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:58:51,051 INFO L85 PathProgramCache]: Analyzing trace with hash 308940398, now seen corresponding path program 1 times [2024-11-20 13:58:51,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:58:51,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317468661] [2024-11-20 13:58:51,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:58:51,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:58:51,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:58:51,365 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-20 13:58:51,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:58:51,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317468661] [2024-11-20 13:58:51,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317468661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:58:51,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:58:51,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 13:58:51,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379454538] [2024-11-20 13:58:51,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:58:51,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 13:58:51,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:58:51,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 13:58:51,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-20 13:58:51,633 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 416 out of 467 [2024-11-20 13:58:51,636 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 390 places, 433 transitions, 1249 flow. Second operand has 7 states, 7 states have (on average 418.0) internal successors, (2926), 7 states have internal predecessors, (2926), 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) [2024-11-20 13:58:51,636 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:58:51,637 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 416 of 467 [2024-11-20 13:58:51,637 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-20 13:58:58,949 INFO L124 PetriNetUnfolderBase]: 9628/40071 cut-off events. [2024-11-20 13:58:58,950 INFO L125 PetriNetUnfolderBase]: For 3853/5890 co-relation queries the response was YES. [2024-11-20 13:58:59,163 INFO L83 FinitePrefix]: Finished finitePrefix Result has 66672 conditions, 40071 events. 9628/40071 cut-off events. For 3853/5890 co-relation queries the response was YES. Maximal size of possible extension queue 616. Compared 491299 event pairs, 4721 based on Foata normal form. 254/36211 useless extension candidates. Maximal degree in co-relation 66503. Up to 10838 conditions per place. [2024-11-20 13:58:59,262 INFO L140 encePairwiseOnDemand]: 455/467 looper letters, 64 selfloop transitions, 14 changer transitions 10/482 dead transitions. [2024-11-20 13:58:59,262 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 399 places, 482 transitions, 1528 flow [2024-11-20 13:58:59,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-20 13:58:59,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2024-11-20 13:58:59,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 4248 transitions. [2024-11-20 13:58:59,270 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9096359743040685 [2024-11-20 13:58:59,271 INFO L175 Difference]: Start difference. First operand has 390 places, 433 transitions, 1249 flow. Second operand 10 states and 4248 transitions. [2024-11-20 13:58:59,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 399 places, 482 transitions, 1528 flow [2024-11-20 13:58:59,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 399 places, 482 transitions, 1528 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-20 13:58:59,293 INFO L231 Difference]: Finished difference. Result has 403 places, 440 transitions, 1316 flow [2024-11-20 13:58:59,294 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=467, PETRI_DIFFERENCE_MINUEND_FLOW=1244, PETRI_DIFFERENCE_MINUEND_PLACES=390, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=432, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=421, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=1316, PETRI_PLACES=403, PETRI_TRANSITIONS=440} [2024-11-20 13:58:59,295 INFO L277 CegarLoopForPetriNet]: 390 programPoint places, 13 predicate places. [2024-11-20 13:58:59,295 INFO L471 AbstractCegarLoop]: Abstraction has has 403 places, 440 transitions, 1316 flow [2024-11-20 13:58:59,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 418.0) internal successors, (2926), 7 states have internal predecessors, (2926), 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) [2024-11-20 13:58:59,297 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-20 13:58:59,298 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 13:58:59,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-20 13:58:59,298 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting cleanerErr3ASSERT_VIOLATIONDATA_RACE === [cleanerErr0ASSERT_VIOLATIONDATA_RACE, cleanerErr1ASSERT_VIOLATIONDATA_RACE, cleanerErr2ASSERT_VIOLATIONDATA_RACE, cleanerErr3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2024-11-20 13:58:59,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 13:58:59,298 INFO L85 PathProgramCache]: Analyzing trace with hash 551754371, now seen corresponding path program 1 times [2024-11-20 13:58:59,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 13:58:59,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736377572] [2024-11-20 13:58:59,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 13:58:59,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 13:58:59,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 13:58:59,633 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-20 13:58:59,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 13:58:59,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736377572] [2024-11-20 13:58:59,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736377572] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 13:58:59,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 13:58:59,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-20 13:58:59,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370536888] [2024-11-20 13:58:59,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 13:58:59,634 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 13:58:59,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 13:58:59,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 13:58:59,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-20 13:59:00,068 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 411 out of 467 [2024-11-20 13:59:00,070 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 403 places, 440 transitions, 1316 flow. Second operand has 8 states, 8 states have (on average 412.875) internal successors, (3303), 8 states have internal predecessors, (3303), 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) [2024-11-20 13:59:00,071 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-20 13:59:00,071 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 411 of 467 [2024-11-20 13:59:00,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand