./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-nzb-file-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-nzb-file-trans.wvr.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d0975dc4466296431d96c26938a2e71864de63aba998f18ecd8a32ca341796b --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 06:59:35,850 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:59:35,930 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-09 06:59:35,934 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:59:35,935 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:59:35,961 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:59:35,961 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:59:35,962 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:59:35,962 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:59:35,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:59:35,964 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 06:59:35,965 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 06:59:35,965 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 06:59:35,965 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:59:35,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:59:35,966 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:59:35,966 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:59:35,966 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:59:35,967 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:59:35,967 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:59:35,967 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:59:35,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:59:35,972 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 06:59:35,972 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:59:35,973 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:59:35,973 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:59:35,973 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:59:35,973 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:59:35,974 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:59:35,974 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 06:59:35,974 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:59:35,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:59:35,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:59:35,975 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:59:35,975 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:59:35,976 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 06:59:35,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:59:35,976 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:59:35,976 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 06:59:35,977 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 06:59:35,977 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:59:35,977 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d0975dc4466296431d96c26938a2e71864de63aba998f18ecd8a32ca341796b [2024-11-09 06:59:36,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:59:36,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:59:36,256 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:59:36,257 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:59:36,258 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:59:36,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-nzb-file-trans.wvr.c [2024-11-09 06:59:37,806 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:59:38,007 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:59:38,011 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-nzb-file-trans.wvr.c [2024-11-09 06:59:38,022 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68c97f02a/53a871357a7a42be861f9b73ac11f2c4/FLAGc72da4217 [2024-11-09 06:59:38,039 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68c97f02a/53a871357a7a42be861f9b73ac11f2c4 [2024-11-09 06:59:38,042 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:59:38,043 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:59:38,045 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:59:38,045 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:59:38,051 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:59:38,052 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:59:38" (1/1) ... [2024-11-09 06:59:38,055 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fec7b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:38, skipping insertion in model container [2024-11-09 06:59:38,055 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:59:38" (1/1) ... [2024-11-09 06:59:38,081 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:59:38,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:59:38,394 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:59:38,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:59:38,523 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:59:38,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:38 WrapperNode [2024-11-09 06:59:38,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:59:38,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:59:38,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:59:38,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:59:38,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:38" (1/1) ... [2024-11-09 06:59:38,588 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:38" (1/1) ... [2024-11-09 06:59:38,644 INFO L138 Inliner]: procedures = 25, calls = 62, calls flagged for inlining = 29, calls inlined = 43, statements flattened = 1321 [2024-11-09 06:59:38,645 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:59:38,647 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:59:38,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:59:38,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:59:38,656 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:38" (1/1) ... [2024-11-09 06:59:38,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:38" (1/1) ... [2024-11-09 06:59:38,663 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:38" (1/1) ... [2024-11-09 06:59:38,664 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:38" (1/1) ... [2024-11-09 06:59:38,690 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:38" (1/1) ... [2024-11-09 06:59:38,698 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:38" (1/1) ... [2024-11-09 06:59:38,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:38" (1/1) ... [2024-11-09 06:59:38,712 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:38" (1/1) ... [2024-11-09 06:59:38,733 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:59:38,737 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:59:38,737 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:59:38,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:59:38,739 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:38" (1/1) ... [2024-11-09 06:59:38,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 06:59:38,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 06:59:38,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 06:59:38,814 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 06:59:38,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:59:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 06:59:38,865 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 06:59:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 06:59:38,865 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 06:59:38,865 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-09 06:59:38,865 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-09 06:59:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:59:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:59:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:59:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:59:38,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:59:38,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:59:38,869 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 06:59:39,070 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:59:39,073 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:59:40,697 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 06:59:40,697 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:59:40,753 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:59:40,754 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-09 06:59:40,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:59:40 BoogieIcfgContainer [2024-11-09 06:59:40,754 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:59:40,756 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:59:40,756 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:59:40,760 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:59:40,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:59:38" (1/3) ... [2024-11-09 06:59:40,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f78ca52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:59:40, skipping insertion in model container [2024-11-09 06:59:40,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:59:38" (2/3) ... [2024-11-09 06:59:40,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f78ca52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:59:40, skipping insertion in model container [2024-11-09 06:59:40,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:59:40" (3/3) ... [2024-11-09 06:59:40,764 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-nzb-file-trans.wvr.c [2024-11-09 06:59:40,782 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:59:40,782 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 225 error locations. [2024-11-09 06:59:40,783 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 06:59:41,070 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-09 06:59:41,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1673 places, 1774 transitions, 3569 flow [2024-11-09 06:59:42,687 INFO L124 PetriNetUnfolderBase]: 111/1771 cut-off events. [2024-11-09 06:59:42,687 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-09 06:59:42,780 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1784 conditions, 1771 events. 111/1771 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 7643 event pairs, 0 based on Foata normal form. 0/1435 useless extension candidates. Maximal degree in co-relation 1386. Up to 2 conditions per place. [2024-11-09 06:59:42,782 INFO L82 GeneralOperation]: Start removeDead. Operand has 1673 places, 1774 transitions, 3569 flow [2024-11-09 06:59:42,850 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1651 places, 1750 transitions, 3518 flow [2024-11-09 06:59:42,862 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:59:42,873 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;@6e7c4863, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:59:42,874 INFO L334 AbstractCegarLoop]: Starting to check reachability of 426 error locations. [2024-11-09 06:59:42,879 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-09 06:59:42,880 INFO L124 PetriNetUnfolderBase]: 0/37 cut-off events. [2024-11-09 06:59:42,880 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-09 06:59:42,880 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:42,881 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] [2024-11-09 06:59:42,882 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-09 06:59:42,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:42,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1285342270, now seen corresponding path program 1 times [2024-11-09 06:59:42,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:42,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469832756] [2024-11-09 06:59:42,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:42,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:43,143 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:43,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:43,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469832756] [2024-11-09 06:59:43,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469832756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:43,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:43,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:43,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572350512] [2024-11-09 06:59:43,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:43,156 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:43,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:43,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:43,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:43,246 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1774 [2024-11-09 06:59:43,271 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1651 places, 1750 transitions, 3518 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:43,272 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:43,272 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1774 [2024-11-09 06:59:43,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:45,172 INFO L124 PetriNetUnfolderBase]: 124/2623 cut-off events. [2024-11-09 06:59:45,172 INFO L125 PetriNetUnfolderBase]: For 16/18 co-relation queries the response was YES. [2024-11-09 06:59:45,255 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2666 conditions, 2623 events. 124/2623 cut-off events. For 16/18 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 14364 event pairs, 5 based on Foata normal form. 106/2206 useless extension candidates. Maximal degree in co-relation 2279. Up to 22 conditions per place. [2024-11-09 06:59:45,314 INFO L140 encePairwiseOnDemand]: 1735/1774 looper letters, 11 selfloop transitions, 2 changer transitions 6/1713 dead transitions. [2024-11-09 06:59:45,314 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1652 places, 1713 transitions, 3470 flow [2024-11-09 06:59:45,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:45,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:45,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5213 transitions. [2024-11-09 06:59:45,349 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9795189778278842 [2024-11-09 06:59:45,352 INFO L175 Difference]: Start difference. First operand has 1651 places, 1750 transitions, 3518 flow. Second operand 3 states and 5213 transitions. [2024-11-09 06:59:45,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1652 places, 1713 transitions, 3470 flow [2024-11-09 06:59:45,372 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1646 places, 1713 transitions, 3458 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-09 06:59:45,408 INFO L231 Difference]: Finished difference. Result has 1646 places, 1707 transitions, 3424 flow [2024-11-09 06:59:45,414 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3432, PETRI_DIFFERENCE_MINUEND_PLACES=1644, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1713, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1711, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3424, PETRI_PLACES=1646, PETRI_TRANSITIONS=1707} [2024-11-09 06:59:45,418 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -5 predicate places. [2024-11-09 06:59:45,419 INFO L471 AbstractCegarLoop]: Abstraction has has 1646 places, 1707 transitions, 3424 flow [2024-11-09 06:59:45,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:45,424 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:45,424 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:45,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:59:45,425 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-09 06:59:45,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:45,426 INFO L85 PathProgramCache]: Analyzing trace with hash -233112910, now seen corresponding path program 1 times [2024-11-09 06:59:45,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:45,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915186593] [2024-11-09 06:59:45,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:45,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:45,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:45,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:45,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915186593] [2024-11-09 06:59:45,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915186593] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:45,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:45,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:45,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415787134] [2024-11-09 06:59:45,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:45,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:45,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:45,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:45,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:45,559 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1774 [2024-11-09 06:59:45,566 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1646 places, 1707 transitions, 3424 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:45,567 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:45,567 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1774 [2024-11-09 06:59:45,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:46,958 INFO L124 PetriNetUnfolderBase]: 124/2616 cut-off events. [2024-11-09 06:59:46,958 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-09 06:59:47,032 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2649 conditions, 2616 events. 124/2616 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 14880 event pairs, 5 based on Foata normal form. 0/2101 useless extension candidates. Maximal degree in co-relation 2603. Up to 22 conditions per place. [2024-11-09 06:59:47,078 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 11 selfloop transitions, 2 changer transitions 0/1706 dead transitions. [2024-11-09 06:59:47,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1641 places, 1706 transitions, 3448 flow [2024-11-09 06:59:47,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:47,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:47,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2024-11-09 06:59:47,090 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9727546035325065 [2024-11-09 06:59:47,090 INFO L175 Difference]: Start difference. First operand has 1646 places, 1707 transitions, 3424 flow. Second operand 3 states and 5177 transitions. [2024-11-09 06:59:47,090 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1641 places, 1706 transitions, 3448 flow [2024-11-09 06:59:47,101 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1639 places, 1706 transitions, 3444 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:47,119 INFO L231 Difference]: Finished difference. Result has 1639 places, 1706 transitions, 3422 flow [2024-11-09 06:59:47,122 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3418, PETRI_DIFFERENCE_MINUEND_PLACES=1637, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1706, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1704, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3422, PETRI_PLACES=1639, PETRI_TRANSITIONS=1706} [2024-11-09 06:59:47,123 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -12 predicate places. [2024-11-09 06:59:47,123 INFO L471 AbstractCegarLoop]: Abstraction has has 1639 places, 1706 transitions, 3422 flow [2024-11-09 06:59:47,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:47,127 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:47,127 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] [2024-11-09 06:59:47,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:59:47,128 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-09 06:59:47,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:47,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1640438213, now seen corresponding path program 1 times [2024-11-09 06:59:47,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:47,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754975245] [2024-11-09 06:59:47,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:47,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:47,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:47,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:47,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754975245] [2024-11-09 06:59:47,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754975245] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:47,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:47,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:47,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168780162] [2024-11-09 06:59:47,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:47,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:47,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:47,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:47,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:47,243 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1774 [2024-11-09 06:59:47,249 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1639 places, 1706 transitions, 3422 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:47,249 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:47,249 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1774 [2024-11-09 06:59:47,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:49,469 INFO L124 PetriNetUnfolderBase]: 172/3516 cut-off events. [2024-11-09 06:59:49,470 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-09 06:59:49,599 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3554 conditions, 3516 events. 172/3516 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 21449 event pairs, 7 based on Foata normal form. 0/2805 useless extension candidates. Maximal degree in co-relation 3500. Up to 25 conditions per place. [2024-11-09 06:59:49,801 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 11 selfloop transitions, 2 changer transitions 0/1705 dead transitions. [2024-11-09 06:59:49,801 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1640 places, 1705 transitions, 3446 flow [2024-11-09 06:59:49,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:49,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:49,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2024-11-09 06:59:49,812 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9727546035325065 [2024-11-09 06:59:49,813 INFO L175 Difference]: Start difference. First operand has 1639 places, 1706 transitions, 3422 flow. Second operand 3 states and 5177 transitions. [2024-11-09 06:59:49,813 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1640 places, 1705 transitions, 3446 flow [2024-11-09 06:59:49,822 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1638 places, 1705 transitions, 3442 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:49,837 INFO L231 Difference]: Finished difference. Result has 1638 places, 1705 transitions, 3420 flow [2024-11-09 06:59:49,840 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3416, PETRI_DIFFERENCE_MINUEND_PLACES=1636, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1705, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1703, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3420, PETRI_PLACES=1638, PETRI_TRANSITIONS=1705} [2024-11-09 06:59:49,841 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -13 predicate places. [2024-11-09 06:59:49,841 INFO L471 AbstractCegarLoop]: Abstraction has has 1638 places, 1705 transitions, 3420 flow [2024-11-09 06:59:49,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:49,845 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:49,845 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] [2024-11-09 06:59:49,845 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:59:49,845 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-09 06:59:49,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:49,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1569175430, now seen corresponding path program 1 times [2024-11-09 06:59:49,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:49,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441857517] [2024-11-09 06:59:49,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:49,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:49,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:49,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:49,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441857517] [2024-11-09 06:59:49,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441857517] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:49,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:49,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:49,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389417395] [2024-11-09 06:59:49,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:49,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:49,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:49,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:49,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:49,950 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1774 [2024-11-09 06:59:49,955 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1638 places, 1705 transitions, 3420 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:49,956 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:49,956 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1774 [2024-11-09 06:59:49,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:51,922 INFO L124 PetriNetUnfolderBase]: 172/3515 cut-off events. [2024-11-09 06:59:51,922 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2024-11-09 06:59:52,052 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3553 conditions, 3515 events. 172/3515 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 22588 event pairs, 7 based on Foata normal form. 0/2806 useless extension candidates. Maximal degree in co-relation 3491. Up to 25 conditions per place. [2024-11-09 06:59:52,123 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 11 selfloop transitions, 2 changer transitions 0/1704 dead transitions. [2024-11-09 06:59:52,123 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1639 places, 1704 transitions, 3444 flow [2024-11-09 06:59:52,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:52,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:52,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2024-11-09 06:59:52,136 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9727546035325065 [2024-11-09 06:59:52,136 INFO L175 Difference]: Start difference. First operand has 1638 places, 1705 transitions, 3420 flow. Second operand 3 states and 5177 transitions. [2024-11-09 06:59:52,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1639 places, 1704 transitions, 3444 flow [2024-11-09 06:59:52,148 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1637 places, 1704 transitions, 3440 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:52,170 INFO L231 Difference]: Finished difference. Result has 1637 places, 1704 transitions, 3418 flow [2024-11-09 06:59:52,173 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3414, PETRI_DIFFERENCE_MINUEND_PLACES=1635, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1704, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1702, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3418, PETRI_PLACES=1637, PETRI_TRANSITIONS=1704} [2024-11-09 06:59:52,175 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -14 predicate places. [2024-11-09 06:59:52,175 INFO L471 AbstractCegarLoop]: Abstraction has has 1637 places, 1704 transitions, 3418 flow [2024-11-09 06:59:52,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:52,180 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:52,180 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] [2024-11-09 06:59:52,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:59:52,182 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-09 06:59:52,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:52,182 INFO L85 PathProgramCache]: Analyzing trace with hash 333694812, now seen corresponding path program 1 times [2024-11-09 06:59:52,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:52,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136689725] [2024-11-09 06:59:52,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:52,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:52,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:52,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:52,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136689725] [2024-11-09 06:59:52,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136689725] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:52,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:52,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:52,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773982889] [2024-11-09 06:59:52,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:52,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:52,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:52,269 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:52,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:52,315 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1774 [2024-11-09 06:59:52,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1637 places, 1704 transitions, 3418 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:52,328 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:52,328 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1774 [2024-11-09 06:59:52,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:53,353 INFO L124 PetriNetUnfolderBase]: 103/2164 cut-off events. [2024-11-09 06:59:53,354 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-09 06:59:53,435 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2199 conditions, 2164 events. 103/2164 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 10798 event pairs, 7 based on Foata normal form. 0/1747 useless extension candidates. Maximal degree in co-relation 2129. Up to 25 conditions per place. [2024-11-09 06:59:53,470 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 11 selfloop transitions, 2 changer transitions 0/1703 dead transitions. [2024-11-09 06:59:53,470 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1638 places, 1703 transitions, 3442 flow [2024-11-09 06:59:53,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:53,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:53,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2024-11-09 06:59:53,479 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9727546035325065 [2024-11-09 06:59:53,479 INFO L175 Difference]: Start difference. First operand has 1637 places, 1704 transitions, 3418 flow. Second operand 3 states and 5177 transitions. [2024-11-09 06:59:53,479 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1638 places, 1703 transitions, 3442 flow [2024-11-09 06:59:53,488 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1636 places, 1703 transitions, 3438 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:53,504 INFO L231 Difference]: Finished difference. Result has 1636 places, 1703 transitions, 3416 flow [2024-11-09 06:59:53,507 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3412, PETRI_DIFFERENCE_MINUEND_PLACES=1634, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1703, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1701, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3416, PETRI_PLACES=1636, PETRI_TRANSITIONS=1703} [2024-11-09 06:59:53,508 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -15 predicate places. [2024-11-09 06:59:53,508 INFO L471 AbstractCegarLoop]: Abstraction has has 1636 places, 1703 transitions, 3416 flow [2024-11-09 06:59:53,511 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:53,512 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:53,512 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] [2024-11-09 06:59:53,512 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:59:53,512 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-09 06:59:53,513 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:53,513 INFO L85 PathProgramCache]: Analyzing trace with hash -2017608749, now seen corresponding path program 1 times [2024-11-09 06:59:53,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:53,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489973092] [2024-11-09 06:59:53,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:53,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:53,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:53,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:53,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489973092] [2024-11-09 06:59:53,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489973092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:53,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:53,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:53,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153725806] [2024-11-09 06:59:53,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:53,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:53,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:53,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:53,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:53,587 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1721 out of 1774 [2024-11-09 06:59:53,698 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1636 places, 1703 transitions, 3416 flow. Second operand has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:53,699 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:53,699 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1721 of 1774 [2024-11-09 06:59:53,699 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:54,657 INFO L124 PetriNetUnfolderBase]: 103/2163 cut-off events. [2024-11-09 06:59:54,658 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-09 06:59:54,751 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2198 conditions, 2163 events. 103/2163 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 11124 event pairs, 7 based on Foata normal form. 0/1750 useless extension candidates. Maximal degree in co-relation 2120. Up to 25 conditions per place. [2024-11-09 06:59:54,791 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 11 selfloop transitions, 2 changer transitions 0/1702 dead transitions. [2024-11-09 06:59:54,791 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1637 places, 1702 transitions, 3440 flow [2024-11-09 06:59:54,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:54,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:54,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5177 transitions. [2024-11-09 06:59:54,802 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9727546035325065 [2024-11-09 06:59:54,802 INFO L175 Difference]: Start difference. First operand has 1636 places, 1703 transitions, 3416 flow. Second operand 3 states and 5177 transitions. [2024-11-09 06:59:54,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1637 places, 1702 transitions, 3440 flow [2024-11-09 06:59:54,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1635 places, 1702 transitions, 3436 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:54,839 INFO L231 Difference]: Finished difference. Result has 1635 places, 1702 transitions, 3414 flow [2024-11-09 06:59:54,842 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3410, PETRI_DIFFERENCE_MINUEND_PLACES=1633, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1702, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1700, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3414, PETRI_PLACES=1635, PETRI_TRANSITIONS=1702} [2024-11-09 06:59:54,844 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -16 predicate places. [2024-11-09 06:59:54,846 INFO L471 AbstractCegarLoop]: Abstraction has has 1635 places, 1702 transitions, 3414 flow [2024-11-09 06:59:54,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1722.3333333333333) internal successors, (5167), 3 states have internal predecessors, (5167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:54,854 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:54,854 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:59:54,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:59:54,854 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-09 06:59:54,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:54,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1131993380, now seen corresponding path program 1 times [2024-11-09 06:59:54,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:54,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023564026] [2024-11-09 06:59:54,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:54,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:54,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:54,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:54,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023564026] [2024-11-09 06:59:54,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023564026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:54,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:54,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:54,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857031335] [2024-11-09 06:59:54,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:54,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:54,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:54,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:54,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:59:54,995 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1713 out of 1774 [2024-11-09 06:59:55,002 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1635 places, 1702 transitions, 3414 flow. Second operand has 3 states, 3 states have (on average 1714.3333333333333) internal successors, (5143), 3 states have internal predecessors, (5143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:55,002 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 06:59:55,003 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1713 of 1774 [2024-11-09 06:59:55,003 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 06:59:59,483 INFO L124 PetriNetUnfolderBase]: 505/9846 cut-off events. [2024-11-09 06:59:59,484 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-09 06:59:59,770 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9929 conditions, 9846 events. 505/9846 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 88643 event pairs, 18 based on Foata normal form. 0/7770 useless extension candidates. Maximal degree in co-relation 9843. Up to 56 conditions per place. [2024-11-09 06:59:59,880 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 19 selfloop transitions, 2 changer transitions 0/1701 dead transitions. [2024-11-09 06:59:59,881 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1636 places, 1701 transitions, 3454 flow [2024-11-09 06:59:59,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:59:59,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 06:59:59,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5161 transitions. [2024-11-09 06:59:59,886 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9697482149567832 [2024-11-09 06:59:59,886 INFO L175 Difference]: Start difference. First operand has 1635 places, 1702 transitions, 3414 flow. Second operand 3 states and 5161 transitions. [2024-11-09 06:59:59,886 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1636 places, 1701 transitions, 3454 flow [2024-11-09 06:59:59,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1634 places, 1701 transitions, 3450 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 06:59:59,909 INFO L231 Difference]: Finished difference. Result has 1634 places, 1701 transitions, 3412 flow [2024-11-09 06:59:59,911 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3408, PETRI_DIFFERENCE_MINUEND_PLACES=1632, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1701, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1699, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3412, PETRI_PLACES=1634, PETRI_TRANSITIONS=1701} [2024-11-09 06:59:59,912 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -17 predicate places. [2024-11-09 06:59:59,912 INFO L471 AbstractCegarLoop]: Abstraction has has 1634 places, 1701 transitions, 3412 flow [2024-11-09 06:59:59,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1714.3333333333333) internal successors, (5143), 3 states have internal predecessors, (5143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:59:59,915 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 06:59:59,916 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] [2024-11-09 06:59:59,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 06:59:59,916 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-09 06:59:59,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:59:59,916 INFO L85 PathProgramCache]: Analyzing trace with hash 2085948360, now seen corresponding path program 1 times [2024-11-09 06:59:59,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 06:59:59,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398815297] [2024-11-09 06:59:59,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:59:59,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:59:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:59:59,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:59:59,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 06:59:59,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398815297] [2024-11-09 06:59:59,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398815297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:59:59,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:59:59,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:59:59,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682372318] [2024-11-09 06:59:59,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:59:59,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:59:59,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 06:59:59,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:59:59,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:00,063 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1708 out of 1774 [2024-11-09 07:00:00,070 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1634 places, 1701 transitions, 3412 flow. Second operand has 3 states, 3 states have (on average 1709.3333333333333) internal successors, (5128), 3 states have internal predecessors, (5128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:00,070 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:00,070 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1708 of 1774 [2024-11-09 07:00:00,070 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:07,108 INFO L124 PetriNetUnfolderBase]: 793/15275 cut-off events. [2024-11-09 07:00:07,109 INFO L125 PetriNetUnfolderBase]: For 1/3 co-relation queries the response was YES. [2024-11-09 07:00:07,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15399 conditions, 15275 events. 793/15275 cut-off events. For 1/3 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 154055 event pairs, 30 based on Foata normal form. 0/12028 useless extension candidates. Maximal degree in co-relation 15305. Up to 85 conditions per place. [2024-11-09 07:00:07,845 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 24 selfloop transitions, 2 changer transitions 0/1700 dead transitions. [2024-11-09 07:00:07,845 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1635 places, 1700 transitions, 3462 flow [2024-11-09 07:00:07,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:07,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:07,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5151 transitions. [2024-11-09 07:00:08,103 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.967869222096956 [2024-11-09 07:00:08,103 INFO L175 Difference]: Start difference. First operand has 1634 places, 1701 transitions, 3412 flow. Second operand 3 states and 5151 transitions. [2024-11-09 07:00:08,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1635 places, 1700 transitions, 3462 flow [2024-11-09 07:00:08,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1633 places, 1700 transitions, 3458 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:08,134 INFO L231 Difference]: Finished difference. Result has 1633 places, 1700 transitions, 3410 flow [2024-11-09 07:00:08,141 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3406, PETRI_DIFFERENCE_MINUEND_PLACES=1631, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1700, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1698, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3410, PETRI_PLACES=1633, PETRI_TRANSITIONS=1700} [2024-11-09 07:00:08,145 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -18 predicate places. [2024-11-09 07:00:08,145 INFO L471 AbstractCegarLoop]: Abstraction has has 1633 places, 1700 transitions, 3410 flow [2024-11-09 07:00:08,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1709.3333333333333) internal successors, (5128), 3 states have internal predecessors, (5128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:08,153 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:08,153 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] [2024-11-09 07:00:08,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 07:00:08,154 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-09 07:00:08,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:08,154 INFO L85 PathProgramCache]: Analyzing trace with hash 384594205, now seen corresponding path program 1 times [2024-11-09 07:00:08,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:08,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592776312] [2024-11-09 07:00:08,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:08,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:08,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:08,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:08,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592776312] [2024-11-09 07:00:08,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592776312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:08,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:08,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:08,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058177730] [2024-11-09 07:00:08,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:08,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:08,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:08,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:08,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:08,298 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1713 out of 1774 [2024-11-09 07:00:08,304 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1633 places, 1700 transitions, 3410 flow. Second operand has 3 states, 3 states have (on average 1714.3333333333333) internal successors, (5143), 3 states have internal predecessors, (5143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:08,304 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:08,304 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1713 of 1774 [2024-11-09 07:00:08,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:11,405 INFO L124 PetriNetUnfolderBase]: 298/5776 cut-off events. [2024-11-09 07:00:11,406 INFO L125 PetriNetUnfolderBase]: For 10/13 co-relation queries the response was YES. [2024-11-09 07:00:11,622 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5850 conditions, 5776 events. 298/5776 cut-off events. For 10/13 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 42568 event pairs, 18 based on Foata normal form. 0/4582 useless extension candidates. Maximal degree in co-relation 5748. Up to 56 conditions per place. [2024-11-09 07:00:11,696 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 19 selfloop transitions, 2 changer transitions 0/1699 dead transitions. [2024-11-09 07:00:11,697 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1634 places, 1699 transitions, 3450 flow [2024-11-09 07:00:11,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:11,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:11,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5161 transitions. [2024-11-09 07:00:11,702 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9697482149567832 [2024-11-09 07:00:11,702 INFO L175 Difference]: Start difference. First operand has 1633 places, 1700 transitions, 3410 flow. Second operand 3 states and 5161 transitions. [2024-11-09 07:00:11,702 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1634 places, 1699 transitions, 3450 flow [2024-11-09 07:00:11,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1632 places, 1699 transitions, 3446 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:11,724 INFO L231 Difference]: Finished difference. Result has 1632 places, 1699 transitions, 3408 flow [2024-11-09 07:00:11,726 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3404, PETRI_DIFFERENCE_MINUEND_PLACES=1630, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1699, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1697, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3408, PETRI_PLACES=1632, PETRI_TRANSITIONS=1699} [2024-11-09 07:00:11,727 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -19 predicate places. [2024-11-09 07:00:11,727 INFO L471 AbstractCegarLoop]: Abstraction has has 1632 places, 1699 transitions, 3408 flow [2024-11-09 07:00:11,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1714.3333333333333) internal successors, (5143), 3 states have internal predecessors, (5143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:11,729 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:11,729 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] [2024-11-09 07:00:11,729 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 07:00:11,729 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-09 07:00:11,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:11,730 INFO L85 PathProgramCache]: Analyzing trace with hash -735321765, now seen corresponding path program 1 times [2024-11-09 07:00:11,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:11,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583334805] [2024-11-09 07:00:11,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:11,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:11,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:11,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:11,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583334805] [2024-11-09 07:00:11,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [583334805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:11,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:11,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:11,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547431641] [2024-11-09 07:00:11,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:11,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:11,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:11,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:11,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:11,862 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1708 out of 1774 [2024-11-09 07:00:11,866 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1632 places, 1699 transitions, 3408 flow. Second operand has 3 states, 3 states have (on average 1709.3333333333333) internal successors, (5128), 3 states have internal predecessors, (5128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:11,867 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:11,867 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1708 of 1774 [2024-11-09 07:00:11,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:16,143 INFO L124 PetriNetUnfolderBase]: 448/8493 cut-off events. [2024-11-09 07:00:16,143 INFO L125 PetriNetUnfolderBase]: For 16/24 co-relation queries the response was YES. [2024-11-09 07:00:16,490 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8602 conditions, 8493 events. 448/8493 cut-off events. For 16/24 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 71441 event pairs, 30 based on Foata normal form. 0/6708 useless extension candidates. Maximal degree in co-relation 8492. Up to 85 conditions per place. [2024-11-09 07:00:16,869 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 24 selfloop transitions, 2 changer transitions 0/1698 dead transitions. [2024-11-09 07:00:16,869 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1633 places, 1698 transitions, 3458 flow [2024-11-09 07:00:16,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:16,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:16,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5151 transitions. [2024-11-09 07:00:16,877 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.967869222096956 [2024-11-09 07:00:16,877 INFO L175 Difference]: Start difference. First operand has 1632 places, 1699 transitions, 3408 flow. Second operand 3 states and 5151 transitions. [2024-11-09 07:00:16,877 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1633 places, 1698 transitions, 3458 flow [2024-11-09 07:00:16,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1631 places, 1698 transitions, 3454 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:16,901 INFO L231 Difference]: Finished difference. Result has 1631 places, 1698 transitions, 3406 flow [2024-11-09 07:00:16,903 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3402, PETRI_DIFFERENCE_MINUEND_PLACES=1629, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1698, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1696, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3406, PETRI_PLACES=1631, PETRI_TRANSITIONS=1698} [2024-11-09 07:00:16,904 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -20 predicate places. [2024-11-09 07:00:16,904 INFO L471 AbstractCegarLoop]: Abstraction has has 1631 places, 1698 transitions, 3406 flow [2024-11-09 07:00:16,905 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1709.3333333333333) internal successors, (5128), 3 states have internal predecessors, (5128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:16,906 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:16,906 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] [2024-11-09 07:00:16,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 07:00:16,906 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-09 07:00:16,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:16,907 INFO L85 PathProgramCache]: Analyzing trace with hash -1296555649, now seen corresponding path program 1 times [2024-11-09 07:00:16,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:16,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393271507] [2024-11-09 07:00:16,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:16,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:16,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:16,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:16,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:16,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393271507] [2024-11-09 07:00:16,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393271507] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:16,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:16,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:16,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772678469] [2024-11-09 07:00:16,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:16,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:16,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:16,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:16,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:17,032 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1713 out of 1774 [2024-11-09 07:00:17,038 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1631 places, 1698 transitions, 3406 flow. Second operand has 3 states, 3 states have (on average 1714.3333333333333) internal successors, (5143), 3 states have internal predecessors, (5143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:17,038 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:17,039 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1713 of 1774 [2024-11-09 07:00:17,039 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:17,835 INFO L124 PetriNetUnfolderBase]: 91/1733 cut-off events. [2024-11-09 07:00:17,835 INFO L125 PetriNetUnfolderBase]: For 10/12 co-relation queries the response was YES. [2024-11-09 07:00:17,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1798 conditions, 1733 events. 91/1733 cut-off events. For 10/12 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 8608 event pairs, 18 based on Foata normal form. 0/1420 useless extension candidates. Maximal degree in co-relation 1680. Up to 56 conditions per place. [2024-11-09 07:00:17,946 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 19 selfloop transitions, 2 changer transitions 0/1697 dead transitions. [2024-11-09 07:00:17,946 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1632 places, 1697 transitions, 3446 flow [2024-11-09 07:00:17,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:17,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:17,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5161 transitions. [2024-11-09 07:00:17,952 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9697482149567832 [2024-11-09 07:00:17,952 INFO L175 Difference]: Start difference. First operand has 1631 places, 1698 transitions, 3406 flow. Second operand 3 states and 5161 transitions. [2024-11-09 07:00:17,952 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1632 places, 1697 transitions, 3446 flow [2024-11-09 07:00:17,961 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1630 places, 1697 transitions, 3442 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:17,976 INFO L231 Difference]: Finished difference. Result has 1630 places, 1697 transitions, 3404 flow [2024-11-09 07:00:17,978 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3400, PETRI_DIFFERENCE_MINUEND_PLACES=1628, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1697, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1695, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3404, PETRI_PLACES=1630, PETRI_TRANSITIONS=1697} [2024-11-09 07:00:17,979 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -21 predicate places. [2024-11-09 07:00:17,979 INFO L471 AbstractCegarLoop]: Abstraction has has 1630 places, 1697 transitions, 3404 flow [2024-11-09 07:00:17,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1714.3333333333333) internal successors, (5143), 3 states have internal predecessors, (5143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:17,981 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:17,981 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] [2024-11-09 07:00:17,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 07:00:17,982 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-09 07:00:17,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:17,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1886187943, now seen corresponding path program 1 times [2024-11-09 07:00:17,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:17,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952397779] [2024-11-09 07:00:17,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:17,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:18,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:18,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:18,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952397779] [2024-11-09 07:00:18,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952397779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:18,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:18,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:18,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289939029] [2024-11-09 07:00:18,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:18,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:18,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:18,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:18,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:18,212 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1708 out of 1774 [2024-11-09 07:00:18,220 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1630 places, 1697 transitions, 3404 flow. Second operand has 3 states, 3 states have (on average 1709.3333333333333) internal successors, (5128), 3 states have internal predecessors, (5128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:18,220 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:18,220 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1708 of 1774 [2024-11-09 07:00:18,220 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:18,982 INFO L124 PetriNetUnfolderBase]: 136/2393 cut-off events. [2024-11-09 07:00:18,982 INFO L125 PetriNetUnfolderBase]: For 32/34 co-relation queries the response was YES. [2024-11-09 07:00:19,088 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2488 conditions, 2393 events. 136/2393 cut-off events. For 32/34 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 13932 event pairs, 30 based on Foata normal form. 0/1933 useless extension candidates. Maximal degree in co-relation 2362. Up to 86 conditions per place. [2024-11-09 07:00:19,131 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 24 selfloop transitions, 2 changer transitions 0/1696 dead transitions. [2024-11-09 07:00:19,131 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1631 places, 1696 transitions, 3454 flow [2024-11-09 07:00:19,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:19,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:19,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5151 transitions. [2024-11-09 07:00:19,137 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.967869222096956 [2024-11-09 07:00:19,137 INFO L175 Difference]: Start difference. First operand has 1630 places, 1697 transitions, 3404 flow. Second operand 3 states and 5151 transitions. [2024-11-09 07:00:19,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1631 places, 1696 transitions, 3454 flow [2024-11-09 07:00:19,144 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1629 places, 1696 transitions, 3450 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:19,156 INFO L231 Difference]: Finished difference. Result has 1629 places, 1696 transitions, 3402 flow [2024-11-09 07:00:19,158 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3398, PETRI_DIFFERENCE_MINUEND_PLACES=1627, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1696, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1694, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3402, PETRI_PLACES=1629, PETRI_TRANSITIONS=1696} [2024-11-09 07:00:19,158 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -22 predicate places. [2024-11-09 07:00:19,159 INFO L471 AbstractCegarLoop]: Abstraction has has 1629 places, 1696 transitions, 3402 flow [2024-11-09 07:00:19,160 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1709.3333333333333) internal successors, (5128), 3 states have internal predecessors, (5128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:19,160 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:19,161 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] [2024-11-09 07:00:19,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 07:00:19,161 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-09 07:00:19,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:19,162 INFO L85 PathProgramCache]: Analyzing trace with hash -533478383, now seen corresponding path program 1 times [2024-11-09 07:00:19,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:19,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318617952] [2024-11-09 07:00:19,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:19,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:19,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:19,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:19,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:19,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318617952] [2024-11-09 07:00:19,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318617952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:19,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:19,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:19,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919621154] [2024-11-09 07:00:19,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:19,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:19,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:19,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:19,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:19,258 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1715 out of 1774 [2024-11-09 07:00:19,266 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1629 places, 1696 transitions, 3402 flow. Second operand has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:19,266 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:19,267 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1715 of 1774 [2024-11-09 07:00:19,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:21,336 INFO L124 PetriNetUnfolderBase]: 335/6219 cut-off events. [2024-11-09 07:00:21,336 INFO L125 PetriNetUnfolderBase]: For 11/19 co-relation queries the response was YES. [2024-11-09 07:00:21,643 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6318 conditions, 6219 events. 335/6219 cut-off events. For 11/19 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 52024 event pairs, 32 based on Foata normal form. 0/4940 useless extension candidates. Maximal degree in co-relation 6184. Up to 82 conditions per place. [2024-11-09 07:00:21,746 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 17 selfloop transitions, 2 changer transitions 0/1695 dead transitions. [2024-11-09 07:00:21,746 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1630 places, 1695 transitions, 3438 flow [2024-11-09 07:00:21,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:21,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:21,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5165 transitions. [2024-11-09 07:00:21,751 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.970499812100714 [2024-11-09 07:00:21,751 INFO L175 Difference]: Start difference. First operand has 1629 places, 1696 transitions, 3402 flow. Second operand 3 states and 5165 transitions. [2024-11-09 07:00:21,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1630 places, 1695 transitions, 3438 flow [2024-11-09 07:00:21,757 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1628 places, 1695 transitions, 3434 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:21,766 INFO L231 Difference]: Finished difference. Result has 1628 places, 1695 transitions, 3400 flow [2024-11-09 07:00:21,768 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3396, PETRI_DIFFERENCE_MINUEND_PLACES=1626, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1695, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1693, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3400, PETRI_PLACES=1628, PETRI_TRANSITIONS=1695} [2024-11-09 07:00:21,768 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -23 predicate places. [2024-11-09 07:00:21,768 INFO L471 AbstractCegarLoop]: Abstraction has has 1628 places, 1695 transitions, 3400 flow [2024-11-09 07:00:21,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:21,770 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:21,770 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] [2024-11-09 07:00:21,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-09 07:00:21,770 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-09 07:00:21,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:21,770 INFO L85 PathProgramCache]: Analyzing trace with hash 53400281, now seen corresponding path program 1 times [2024-11-09 07:00:21,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:21,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117894158] [2024-11-09 07:00:21,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:21,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:21,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:21,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:21,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117894158] [2024-11-09 07:00:21,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117894158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:21,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:21,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:21,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878348313] [2024-11-09 07:00:21,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:21,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:21,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:21,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:21,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:21,860 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1715 out of 1774 [2024-11-09 07:00:21,864 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1628 places, 1695 transitions, 3400 flow. Second operand has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:21,865 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:21,865 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1715 of 1774 [2024-11-09 07:00:21,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:26,627 INFO L124 PetriNetUnfolderBase]: 781/14374 cut-off events. [2024-11-09 07:00:26,627 INFO L125 PetriNetUnfolderBase]: For 5/41 co-relation queries the response was YES. [2024-11-09 07:00:26,832 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14541 conditions, 14374 events. 781/14374 cut-off events. For 5/41 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 158630 event pairs, 64 based on Foata normal form. 0/11328 useless extension candidates. Maximal degree in co-relation 14399. Up to 130 conditions per place. [2024-11-09 07:00:26,924 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 17 selfloop transitions, 2 changer transitions 0/1694 dead transitions. [2024-11-09 07:00:26,925 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1629 places, 1694 transitions, 3436 flow [2024-11-09 07:00:26,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:26,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:26,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5165 transitions. [2024-11-09 07:00:26,928 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.970499812100714 [2024-11-09 07:00:26,928 INFO L175 Difference]: Start difference. First operand has 1628 places, 1695 transitions, 3400 flow. Second operand 3 states and 5165 transitions. [2024-11-09 07:00:26,928 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1629 places, 1694 transitions, 3436 flow [2024-11-09 07:00:26,933 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1627 places, 1694 transitions, 3432 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:26,944 INFO L231 Difference]: Finished difference. Result has 1627 places, 1694 transitions, 3398 flow [2024-11-09 07:00:26,945 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3394, PETRI_DIFFERENCE_MINUEND_PLACES=1625, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1694, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1692, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3398, PETRI_PLACES=1627, PETRI_TRANSITIONS=1694} [2024-11-09 07:00:26,946 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -24 predicate places. [2024-11-09 07:00:26,946 INFO L471 AbstractCegarLoop]: Abstraction has has 1627 places, 1694 transitions, 3398 flow [2024-11-09 07:00:26,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:26,948 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:26,948 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] [2024-11-09 07:00:26,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-09 07:00:26,948 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-09 07:00:26,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:26,949 INFO L85 PathProgramCache]: Analyzing trace with hash 882084610, now seen corresponding path program 1 times [2024-11-09 07:00:26,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:26,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033313830] [2024-11-09 07:00:26,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:26,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:26,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:26,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:26,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033313830] [2024-11-09 07:00:26,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033313830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:26,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:26,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:26,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802180441] [2024-11-09 07:00:26,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:26,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:26,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:26,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:26,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:27,037 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1715 out of 1774 [2024-11-09 07:00:27,041 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1627 places, 1694 transitions, 3398 flow. Second operand has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:27,041 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:27,041 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1715 of 1774 [2024-11-09 07:00:27,041 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-09 07:00:28,826 INFO L124 PetriNetUnfolderBase]: 316/5272 cut-off events. [2024-11-09 07:00:28,827 INFO L125 PetriNetUnfolderBase]: For 29/70 co-relation queries the response was YES. [2024-11-09 07:00:28,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5424 conditions, 5272 events. 316/5272 cut-off events. For 29/70 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 41554 event pairs, 64 based on Foata normal form. 0/4199 useless extension candidates. Maximal degree in co-relation 5274. Up to 139 conditions per place. [2024-11-09 07:00:29,042 INFO L140 encePairwiseOnDemand]: 1771/1774 looper letters, 17 selfloop transitions, 2 changer transitions 0/1693 dead transitions. [2024-11-09 07:00:29,042 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 1628 places, 1693 transitions, 3434 flow [2024-11-09 07:00:29,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 07:00:29,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-09 07:00:29,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5165 transitions. [2024-11-09 07:00:29,045 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.970499812100714 [2024-11-09 07:00:29,045 INFO L175 Difference]: Start difference. First operand has 1627 places, 1694 transitions, 3398 flow. Second operand 3 states and 5165 transitions. [2024-11-09 07:00:29,045 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 1628 places, 1693 transitions, 3434 flow [2024-11-09 07:00:29,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 1626 places, 1693 transitions, 3430 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-09 07:00:29,059 INFO L231 Difference]: Finished difference. Result has 1626 places, 1693 transitions, 3396 flow [2024-11-09 07:00:29,060 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1774, PETRI_DIFFERENCE_MINUEND_FLOW=3392, PETRI_DIFFERENCE_MINUEND_PLACES=1624, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1693, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=1691, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=3396, PETRI_PLACES=1626, PETRI_TRANSITIONS=1693} [2024-11-09 07:00:29,060 INFO L277 CegarLoopForPetriNet]: 1651 programPoint places, -25 predicate places. [2024-11-09 07:00:29,061 INFO L471 AbstractCegarLoop]: Abstraction has has 1626 places, 1693 transitions, 3396 flow [2024-11-09 07:00:29,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1716.3333333333333) internal successors, (5149), 3 states have internal predecessors, (5149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:29,062 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-09 07:00:29,062 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] [2024-11-09 07:00:29,062 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-09 07:00:29,062 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err57ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err58ASSERT_VIOLATIONDATA_RACE (and 422 more)] === [2024-11-09 07:00:29,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:00:29,063 INFO L85 PathProgramCache]: Analyzing trace with hash -1801927351, now seen corresponding path program 1 times [2024-11-09 07:00:29,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 07:00:29,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867901750] [2024-11-09 07:00:29,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:00:29,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:00:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:00:29,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 07:00:29,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 07:00:29,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867901750] [2024-11-09 07:00:29,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867901750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:00:29,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:00:29,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:00:29,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982964013] [2024-11-09 07:00:29,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:00:29,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 07:00:29,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 07:00:29,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 07:00:29,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 07:00:29,181 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1709 out of 1774 [2024-11-09 07:00:29,184 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1626 places, 1693 transitions, 3396 flow. Second operand has 3 states, 3 states have (on average 1710.3333333333333) internal successors, (5131), 3 states have internal predecessors, (5131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 07:00:29,184 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-09 07:00:29,184 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1709 of 1774 [2024-11-09 07:00:29,184 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand