./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-node-trans.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc 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-node-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 c9008ebcceff34245d74f1892a84a552f8268a9318e8a2970f14b3ec6b594daf --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:57:11,621 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:57:11,687 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:57:11,692 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:57:11,694 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:57:11,713 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:57:11,714 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:57:11,714 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:57:11,715 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:57:11,718 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:57:11,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:57:11,744 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:57:11,744 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:57:11,744 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:57:11,745 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:57:11,745 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:57:11,745 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:57:11,747 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:57:11,747 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:57:11,747 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:57:11,747 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:57:11,748 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:57:11,748 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:57:11,748 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:57:11,748 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:57:11,748 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:57:11,748 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:57:11,749 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:57:11,749 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:57:11,749 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:57:11,749 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:57:11,749 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:57:11,749 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:57:11,750 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:57:11,750 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:57:11,750 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:57:11,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:57:11,750 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:57:11,750 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:57:11,750 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:57:11,751 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:57:11,752 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9008ebcceff34245d74f1892a84a552f8268a9318e8a2970f14b3ec6b594daf [2024-11-19 05:57:11,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:57:11,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:57:11,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:57:11,999 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:57:12,000 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:57:12,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2024-11-19 05:57:13,407 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:57:13,578 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:57:13,579 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2024-11-19 05:57:13,585 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/337f525ca/59706f03d4264129a33a20d1d1f4d6bf/FLAGd8943e709 [2024-11-19 05:57:13,976 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/337f525ca/59706f03d4264129a33a20d1d1f4d6bf [2024-11-19 05:57:13,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:57:13,979 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:57:13,980 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:57:13,981 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:57:13,984 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:57:13,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:57:13" (1/1) ... [2024-11-19 05:57:13,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3240ecd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:13, skipping insertion in model container [2024-11-19 05:57:13,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:57:13" (1/1) ... [2024-11-19 05:57:14,004 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:57:14,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:57:14,210 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:57:14,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:57:14,273 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:57:14,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:14 WrapperNode [2024-11-19 05:57:14,274 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:57:14,275 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:57:14,275 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:57:14,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:57:14,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:14" (1/1) ... [2024-11-19 05:57:14,293 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:14" (1/1) ... [2024-11-19 05:57:14,372 INFO L138 Inliner]: procedures = 26, calls = 52, calls flagged for inlining = 23, calls inlined = 35, statements flattened = 793 [2024-11-19 05:57:14,373 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:57:14,373 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:57:14,373 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:57:14,373 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:57:14,385 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:14" (1/1) ... [2024-11-19 05:57:14,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:14" (1/1) ... [2024-11-19 05:57:14,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:14" (1/1) ... [2024-11-19 05:57:14,395 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:14" (1/1) ... [2024-11-19 05:57:14,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:14" (1/1) ... [2024-11-19 05:57:14,447 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:14" (1/1) ... [2024-11-19 05:57:14,450 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:14" (1/1) ... [2024-11-19 05:57:14,452 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:14" (1/1) ... [2024-11-19 05:57:14,456 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:57:14,457 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:57:14,457 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:57:14,457 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:57:14,458 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:14" (1/1) ... [2024-11-19 05:57:14,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:57:14,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:57:14,487 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) [2024-11-19 05:57:14,490 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 [2024-11-19 05:57:14,528 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:57:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 05:57:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 05:57:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-19 05:57:14,529 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-19 05:57:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-19 05:57:14,529 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-19 05:57:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-19 05:57:14,529 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-19 05:57:14,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:57:14,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 05:57:14,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:57:14,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:57:14,531 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:57:14,653 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:57:14,655 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:57:15,531 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:57:15,531 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:57:15,575 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:57:15,575 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-19 05:57:15,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:57:15 BoogieIcfgContainer [2024-11-19 05:57:15,576 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:57:15,577 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:57:15,577 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:57:15,580 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:57:15,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:57:13" (1/3) ... [2024-11-19 05:57:15,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a3dfa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:57:15, skipping insertion in model container [2024-11-19 05:57:15,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:14" (2/3) ... [2024-11-19 05:57:15,581 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39a3dfa6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:57:15, skipping insertion in model container [2024-11-19 05:57:15,581 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:57:15" (3/3) ... [2024-11-19 05:57:15,582 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-node-trans.wvr.c [2024-11-19 05:57:15,597 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:57:15,598 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 114 error locations. [2024-11-19 05:57:15,598 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:57:15,903 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-19 05:57:15,963 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1010 places, 1048 transitions, 2117 flow [2024-11-19 05:57:16,501 INFO L124 PetriNetUnfolderBase]: 48/1045 cut-off events. [2024-11-19 05:57:16,502 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-19 05:57:16,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1058 conditions, 1045 events. 48/1045 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2154 event pairs, 0 based on Foata normal form. 0/883 useless extension candidates. Maximal degree in co-relation 855. Up to 2 conditions per place. [2024-11-19 05:57:16,518 INFO L82 GeneralOperation]: Start removeDead. Operand has 1010 places, 1048 transitions, 2117 flow [2024-11-19 05:57:16,534 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 988 places, 1024 transitions, 2066 flow [2024-11-19 05:57:16,545 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:57:16,554 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;@15e1e79b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:57:16,554 INFO L334 AbstractCegarLoop]: Starting to check reachability of 192 error locations. [2024-11-19 05:57:16,558 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:57:16,559 INFO L124 PetriNetUnfolderBase]: 0/34 cut-off events. [2024-11-19 05:57:16,559 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:57:16,559 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:16,560 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] [2024-11-19 05:57:16,560 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-19 05:57:16,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:16,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1350031626, now seen corresponding path program 1 times [2024-11-19 05:57:16,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:16,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379822357] [2024-11-19 05:57:16,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:16,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:16,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:16,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:16,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379822357] [2024-11-19 05:57:16,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379822357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:16,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:16,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:16,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881069797] [2024-11-19 05:57:16,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:16,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:16,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:16,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:16,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:16,910 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 995 out of 1048 [2024-11-19 05:57:16,925 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 988 places, 1024 transitions, 2066 flow. Second operand has 3 states, 3 states have (on average 996.3333333333334) internal successors, (2989), 3 states have internal predecessors, (2989), 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) [2024-11-19 05:57:16,926 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:16,926 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 995 of 1048 [2024-11-19 05:57:16,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:17,484 INFO L124 PetriNetUnfolderBase]: 54/1757 cut-off events. [2024-11-19 05:57:17,485 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-11-19 05:57:17,511 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1852 conditions, 1757 events. 54/1757 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 8002 event pairs, 21 based on Foata normal form. 59/1515 useless extension candidates. Maximal degree in co-relation 1271. Up to 62 conditions per place. [2024-11-19 05:57:17,534 INFO L140 encePairwiseOnDemand]: 1017/1048 looper letters, 19 selfloop transitions, 2 changer transitions 16/995 dead transitions. [2024-11-19 05:57:17,534 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 989 places, 995 transitions, 2050 flow [2024-11-19 05:57:17,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:17,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:17,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3035 transitions. [2024-11-19 05:57:17,559 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9653307888040712 [2024-11-19 05:57:17,561 INFO L175 Difference]: Start difference. First operand has 988 places, 1024 transitions, 2066 flow. Second operand 3 states and 3035 transitions. [2024-11-19 05:57:17,562 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 989 places, 995 transitions, 2050 flow [2024-11-19 05:57:17,572 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 983 places, 995 transitions, 2038 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-19 05:57:17,589 INFO L231 Difference]: Finished difference. Result has 983 places, 979 transitions, 1968 flow [2024-11-19 05:57:17,592 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1996, PETRI_DIFFERENCE_MINUEND_PLACES=981, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=995, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=993, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1968, PETRI_PLACES=983, PETRI_TRANSITIONS=979} [2024-11-19 05:57:17,595 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -5 predicate places. [2024-11-19 05:57:17,596 INFO L471 AbstractCegarLoop]: Abstraction has has 983 places, 979 transitions, 1968 flow [2024-11-19 05:57:17,597 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 996.3333333333334) internal successors, (2989), 3 states have internal predecessors, (2989), 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) [2024-11-19 05:57:17,598 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:17,598 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] [2024-11-19 05:57:17,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:57:17,599 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-19 05:57:17,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:17,600 INFO L85 PathProgramCache]: Analyzing trace with hash 860022617, now seen corresponding path program 1 times [2024-11-19 05:57:17,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:17,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329807248] [2024-11-19 05:57:17,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:17,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:17,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:17,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:17,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329807248] [2024-11-19 05:57:17,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329807248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:17,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:17,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:17,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549742989] [2024-11-19 05:57:17,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:17,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:17,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:17,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:17,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:17,713 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 981 out of 1048 [2024-11-19 05:57:17,716 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 983 places, 979 transitions, 1968 flow. Second operand has 3 states, 3 states have (on average 982.0) internal successors, (2946), 3 states have internal predecessors, (2946), 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) [2024-11-19 05:57:17,717 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:17,717 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 981 of 1048 [2024-11-19 05:57:17,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:18,321 INFO L124 PetriNetUnfolderBase]: 114/2523 cut-off events. [2024-11-19 05:57:18,321 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-19 05:57:18,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2690 conditions, 2523 events. 114/2523 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 15113 event pairs, 60 based on Foata normal form. 0/2116 useless extension candidates. Maximal degree in co-relation 2647. Up to 146 conditions per place. [2024-11-19 05:57:18,363 INFO L140 encePairwiseOnDemand]: 1037/1048 looper letters, 26 selfloop transitions, 1 changer transitions 0/969 dead transitions. [2024-11-19 05:57:18,364 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 959 places, 969 transitions, 2002 flow [2024-11-19 05:57:18,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:18,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:18,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2980 transitions. [2024-11-19 05:57:18,369 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478371501272265 [2024-11-19 05:57:18,369 INFO L175 Difference]: Start difference. First operand has 983 places, 979 transitions, 1968 flow. Second operand 3 states and 2980 transitions. [2024-11-19 05:57:18,369 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 959 places, 969 transitions, 2002 flow [2024-11-19 05:57:18,373 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 957 places, 969 transitions, 1998 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:18,380 INFO L231 Difference]: Finished difference. Result has 957 places, 969 transitions, 1946 flow [2024-11-19 05:57:18,382 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1944, PETRI_DIFFERENCE_MINUEND_PLACES=955, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=969, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=968, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1946, PETRI_PLACES=957, PETRI_TRANSITIONS=969} [2024-11-19 05:57:18,382 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -31 predicate places. [2024-11-19 05:57:18,383 INFO L471 AbstractCegarLoop]: Abstraction has has 957 places, 969 transitions, 1946 flow [2024-11-19 05:57:18,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 982.0) internal successors, (2946), 3 states have internal predecessors, (2946), 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) [2024-11-19 05:57:18,385 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:18,385 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:18,385 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:57:18,385 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-19 05:57:18,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:18,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1639064396, now seen corresponding path program 1 times [2024-11-19 05:57:18,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:18,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702906256] [2024-11-19 05:57:18,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:18,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:18,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:18,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:18,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702906256] [2024-11-19 05:57:18,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702906256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:18,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:18,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:18,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169848094] [2024-11-19 05:57:18,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:18,428 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:18,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:18,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:18,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:18,481 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 995 out of 1048 [2024-11-19 05:57:18,484 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 957 places, 969 transitions, 1946 flow. Second operand has 3 states, 3 states have (on average 996.3333333333334) internal successors, (2989), 3 states have internal predecessors, (2989), 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) [2024-11-19 05:57:18,484 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:18,484 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 995 of 1048 [2024-11-19 05:57:18,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:19,019 INFO L124 PetriNetUnfolderBase]: 90/2666 cut-off events. [2024-11-19 05:57:19,020 INFO L125 PetriNetUnfolderBase]: For 5/9 co-relation queries the response was YES. [2024-11-19 05:57:19,043 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2781 conditions, 2666 events. 90/2666 cut-off events. For 5/9 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 16387 event pairs, 39 based on Foata normal form. 0/2208 useless extension candidates. Maximal degree in co-relation 2738. Up to 89 conditions per place. [2024-11-19 05:57:19,057 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 19 selfloop transitions, 2 changer transitions 0/968 dead transitions. [2024-11-19 05:57:19,058 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 958 places, 968 transitions, 1986 flow [2024-11-19 05:57:19,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:19,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:19,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3007 transitions. [2024-11-19 05:57:19,064 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9564249363867684 [2024-11-19 05:57:19,064 INFO L175 Difference]: Start difference. First operand has 957 places, 969 transitions, 1946 flow. Second operand 3 states and 3007 transitions. [2024-11-19 05:57:19,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 958 places, 968 transitions, 1986 flow [2024-11-19 05:57:19,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 957 places, 968 transitions, 1985 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:57:19,079 INFO L231 Difference]: Finished difference. Result has 957 places, 968 transitions, 1947 flow [2024-11-19 05:57:19,080 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1943, PETRI_DIFFERENCE_MINUEND_PLACES=955, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=968, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=966, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1947, PETRI_PLACES=957, PETRI_TRANSITIONS=968} [2024-11-19 05:57:19,081 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -31 predicate places. [2024-11-19 05:57:19,081 INFO L471 AbstractCegarLoop]: Abstraction has has 957 places, 968 transitions, 1947 flow [2024-11-19 05:57:19,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 996.3333333333334) internal successors, (2989), 3 states have internal predecessors, (2989), 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) [2024-11-19 05:57:19,082 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:19,083 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] [2024-11-19 05:57:19,083 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 05:57:19,083 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-19 05:57:19,083 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:19,083 INFO L85 PathProgramCache]: Analyzing trace with hash 752671738, now seen corresponding path program 1 times [2024-11-19 05:57:19,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:19,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059207045] [2024-11-19 05:57:19,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:19,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:19,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:19,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:19,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059207045] [2024-11-19 05:57:19,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059207045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:19,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:19,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:19,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429142968] [2024-11-19 05:57:19,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:19,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:19,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:19,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:19,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:19,152 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 981 out of 1048 [2024-11-19 05:57:19,156 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 957 places, 968 transitions, 1947 flow. Second operand has 3 states, 3 states have (on average 982.0) internal successors, (2946), 3 states have internal predecessors, (2946), 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) [2024-11-19 05:57:19,156 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:19,156 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 981 of 1048 [2024-11-19 05:57:19,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:20,006 INFO L124 PetriNetUnfolderBase]: 225/3970 cut-off events. [2024-11-19 05:57:20,006 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-19 05:57:20,068 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4298 conditions, 3970 events. 225/3970 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 30239 event pairs, 132 based on Foata normal form. 0/3337 useless extension candidates. Maximal degree in co-relation 4256. Up to 264 conditions per place. [2024-11-19 05:57:20,097 INFO L140 encePairwiseOnDemand]: 1037/1048 looper letters, 26 selfloop transitions, 1 changer transitions 0/958 dead transitions. [2024-11-19 05:57:20,097 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 949 places, 958 transitions, 1981 flow [2024-11-19 05:57:20,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:20,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:20,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2980 transitions. [2024-11-19 05:57:20,103 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478371501272265 [2024-11-19 05:57:20,104 INFO L175 Difference]: Start difference. First operand has 957 places, 968 transitions, 1947 flow. Second operand 3 states and 2980 transitions. [2024-11-19 05:57:20,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 949 places, 958 transitions, 1981 flow [2024-11-19 05:57:20,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 947 places, 958 transitions, 1977 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:20,116 INFO L231 Difference]: Finished difference. Result has 947 places, 958 transitions, 1925 flow [2024-11-19 05:57:20,118 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1923, PETRI_DIFFERENCE_MINUEND_PLACES=945, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=958, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=957, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1925, PETRI_PLACES=947, PETRI_TRANSITIONS=958} [2024-11-19 05:57:20,118 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -41 predicate places. [2024-11-19 05:57:20,119 INFO L471 AbstractCegarLoop]: Abstraction has has 947 places, 958 transitions, 1925 flow [2024-11-19 05:57:20,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 982.0) internal successors, (2946), 3 states have internal predecessors, (2946), 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) [2024-11-19 05:57:20,120 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:20,121 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] [2024-11-19 05:57:20,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 05:57:20,121 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-19 05:57:20,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:20,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1448313385, now seen corresponding path program 1 times [2024-11-19 05:57:20,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:20,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692295396] [2024-11-19 05:57:20,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:20,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:20,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:20,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:20,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692295396] [2024-11-19 05:57:20,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692295396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:20,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:20,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:20,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979061021] [2024-11-19 05:57:20,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:20,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:20,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:20,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:20,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:20,214 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 995 out of 1048 [2024-11-19 05:57:20,217 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 947 places, 958 transitions, 1925 flow. Second operand has 3 states, 3 states have (on average 996.3333333333334) internal successors, (2989), 3 states have internal predecessors, (2989), 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) [2024-11-19 05:57:20,217 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:20,218 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 995 of 1048 [2024-11-19 05:57:20,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:20,588 INFO L124 PetriNetUnfolderBase]: 75/1833 cut-off events. [2024-11-19 05:57:20,588 INFO L125 PetriNetUnfolderBase]: For 20/47 co-relation queries the response was YES. [2024-11-19 05:57:20,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1934 conditions, 1833 events. 75/1833 cut-off events. For 20/47 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 8414 event pairs, 39 based on Foata normal form. 0/1560 useless extension candidates. Maximal degree in co-relation 1891. Up to 89 conditions per place. [2024-11-19 05:57:20,610 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 19 selfloop transitions, 2 changer transitions 0/957 dead transitions. [2024-11-19 05:57:20,610 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 948 places, 957 transitions, 1965 flow [2024-11-19 05:57:20,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:20,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:20,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3007 transitions. [2024-11-19 05:57:20,616 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9564249363867684 [2024-11-19 05:57:20,616 INFO L175 Difference]: Start difference. First operand has 947 places, 958 transitions, 1925 flow. Second operand 3 states and 3007 transitions. [2024-11-19 05:57:20,616 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 948 places, 957 transitions, 1965 flow [2024-11-19 05:57:20,620 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 947 places, 957 transitions, 1964 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:57:20,627 INFO L231 Difference]: Finished difference. Result has 947 places, 957 transitions, 1926 flow [2024-11-19 05:57:20,628 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1922, PETRI_DIFFERENCE_MINUEND_PLACES=945, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=957, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=955, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1926, PETRI_PLACES=947, PETRI_TRANSITIONS=957} [2024-11-19 05:57:20,629 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -41 predicate places. [2024-11-19 05:57:20,629 INFO L471 AbstractCegarLoop]: Abstraction has has 947 places, 957 transitions, 1926 flow [2024-11-19 05:57:20,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 996.3333333333334) internal successors, (2989), 3 states have internal predecessors, (2989), 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) [2024-11-19 05:57:20,630 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:20,631 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:20,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 05:57:20,631 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-19 05:57:20,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:20,631 INFO L85 PathProgramCache]: Analyzing trace with hash 573038134, now seen corresponding path program 1 times [2024-11-19 05:57:20,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:20,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681556476] [2024-11-19 05:57:20,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:20,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:20,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:20,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:20,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681556476] [2024-11-19 05:57:20,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681556476] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:20,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:20,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:20,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303783415] [2024-11-19 05:57:20,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:20,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:20,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:20,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:20,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:20,704 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 981 out of 1048 [2024-11-19 05:57:20,707 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 947 places, 957 transitions, 1926 flow. Second operand has 3 states, 3 states have (on average 982.0) internal successors, (2946), 3 states have internal predecessors, (2946), 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) [2024-11-19 05:57:20,707 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:20,708 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 981 of 1048 [2024-11-19 05:57:20,708 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:21,436 INFO L124 PetriNetUnfolderBase]: 227/3703 cut-off events. [2024-11-19 05:57:21,436 INFO L125 PetriNetUnfolderBase]: For 65/94 co-relation queries the response was YES. [2024-11-19 05:57:21,461 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3994 conditions, 3703 events. 227/3703 cut-off events. For 65/94 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 26982 event pairs, 132 based on Foata normal form. 0/3155 useless extension candidates. Maximal degree in co-relation 3952. Up to 274 conditions per place. [2024-11-19 05:57:21,475 INFO L140 encePairwiseOnDemand]: 1037/1048 looper letters, 26 selfloop transitions, 1 changer transitions 0/947 dead transitions. [2024-11-19 05:57:21,475 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 939 places, 947 transitions, 1960 flow [2024-11-19 05:57:21,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:21,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:21,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2980 transitions. [2024-11-19 05:57:21,480 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9478371501272265 [2024-11-19 05:57:21,480 INFO L175 Difference]: Start difference. First operand has 947 places, 957 transitions, 1926 flow. Second operand 3 states and 2980 transitions. [2024-11-19 05:57:21,480 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 939 places, 947 transitions, 1960 flow [2024-11-19 05:57:21,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 937 places, 947 transitions, 1956 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:21,490 INFO L231 Difference]: Finished difference. Result has 937 places, 947 transitions, 1904 flow [2024-11-19 05:57:21,491 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1902, PETRI_DIFFERENCE_MINUEND_PLACES=935, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=947, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=946, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1904, PETRI_PLACES=937, PETRI_TRANSITIONS=947} [2024-11-19 05:57:21,491 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -51 predicate places. [2024-11-19 05:57:21,491 INFO L471 AbstractCegarLoop]: Abstraction has has 937 places, 947 transitions, 1904 flow [2024-11-19 05:57:21,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 982.0) internal successors, (2946), 3 states have internal predecessors, (2946), 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) [2024-11-19 05:57:21,493 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:21,493 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] [2024-11-19 05:57:21,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 05:57:21,494 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-19 05:57:21,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:21,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1789936871, now seen corresponding path program 1 times [2024-11-19 05:57:21,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:21,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791105282] [2024-11-19 05:57:21,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:21,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:21,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:21,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:21,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791105282] [2024-11-19 05:57:21,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791105282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:21,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:21,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:21,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363464571] [2024-11-19 05:57:21,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:21,557 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:21,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:21,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:21,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:21,577 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1003 out of 1048 [2024-11-19 05:57:21,584 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 937 places, 947 transitions, 1904 flow. Second operand has 3 states, 3 states have (on average 1004.3333333333334) internal successors, (3013), 3 states have internal predecessors, (3013), 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) [2024-11-19 05:57:21,584 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:21,584 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1003 of 1048 [2024-11-19 05:57:21,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:21,975 INFO L124 PetriNetUnfolderBase]: 26/1247 cut-off events. [2024-11-19 05:57:21,979 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-19 05:57:22,004 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1275 conditions, 1247 events. 26/1247 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 3288 event pairs, 2 based on Foata normal form. 0/1094 useless extension candidates. Maximal degree in co-relation 1232. Up to 16 conditions per place. [2024-11-19 05:57:22,019 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 11 selfloop transitions, 2 changer transitions 0/946 dead transitions. [2024-11-19 05:57:22,023 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 938 places, 946 transitions, 1928 flow [2024-11-19 05:57:22,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:22,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:22,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3023 transitions. [2024-11-19 05:57:22,032 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9615139949109415 [2024-11-19 05:57:22,032 INFO L175 Difference]: Start difference. First operand has 937 places, 947 transitions, 1904 flow. Second operand 3 states and 3023 transitions. [2024-11-19 05:57:22,032 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 938 places, 946 transitions, 1928 flow [2024-11-19 05:57:22,041 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 937 places, 946 transitions, 1927 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-19 05:57:22,056 INFO L231 Difference]: Finished difference. Result has 937 places, 946 transitions, 1905 flow [2024-11-19 05:57:22,060 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1901, PETRI_DIFFERENCE_MINUEND_PLACES=935, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=946, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=944, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1905, PETRI_PLACES=937, PETRI_TRANSITIONS=946} [2024-11-19 05:57:22,060 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -51 predicate places. [2024-11-19 05:57:22,061 INFO L471 AbstractCegarLoop]: Abstraction has has 937 places, 946 transitions, 1905 flow [2024-11-19 05:57:22,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1004.3333333333334) internal successors, (3013), 3 states have internal predecessors, (3013), 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) [2024-11-19 05:57:22,063 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:22,063 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] [2024-11-19 05:57:22,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 05:57:22,063 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-19 05:57:22,063 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:22,063 INFO L85 PathProgramCache]: Analyzing trace with hash 2041858837, now seen corresponding path program 1 times [2024-11-19 05:57:22,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:22,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831492210] [2024-11-19 05:57:22,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:22,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:22,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:22,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:22,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831492210] [2024-11-19 05:57:22,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831492210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:22,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:22,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:22,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614077649] [2024-11-19 05:57:22,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:22,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:22,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:22,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:22,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:22,186 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1002 out of 1048 [2024-11-19 05:57:22,188 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 937 places, 946 transitions, 1905 flow. Second operand has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 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) [2024-11-19 05:57:22,189 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:22,189 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1002 of 1048 [2024-11-19 05:57:22,189 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:22,640 INFO L124 PetriNetUnfolderBase]: 42/1848 cut-off events. [2024-11-19 05:57:22,640 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-19 05:57:22,654 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1891 conditions, 1848 events. 42/1848 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 8271 event pairs, 6 based on Foata normal form. 0/1598 useless extension candidates. Maximal degree in co-relation 1848. Up to 25 conditions per place. [2024-11-19 05:57:22,661 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 12 selfloop transitions, 2 changer transitions 0/945 dead transitions. [2024-11-19 05:57:22,661 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 938 places, 945 transitions, 1931 flow [2024-11-19 05:57:22,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:22,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:22,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3021 transitions. [2024-11-19 05:57:22,667 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9608778625954199 [2024-11-19 05:57:22,667 INFO L175 Difference]: Start difference. First operand has 937 places, 946 transitions, 1905 flow. Second operand 3 states and 3021 transitions. [2024-11-19 05:57:22,667 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 938 places, 945 transitions, 1931 flow [2024-11-19 05:57:22,672 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 936 places, 945 transitions, 1927 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:22,679 INFO L231 Difference]: Finished difference. Result has 936 places, 945 transitions, 1903 flow [2024-11-19 05:57:22,680 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1899, PETRI_DIFFERENCE_MINUEND_PLACES=934, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=945, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=943, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1903, PETRI_PLACES=936, PETRI_TRANSITIONS=945} [2024-11-19 05:57:22,683 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -52 predicate places. [2024-11-19 05:57:22,683 INFO L471 AbstractCegarLoop]: Abstraction has has 936 places, 945 transitions, 1903 flow [2024-11-19 05:57:22,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 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) [2024-11-19 05:57:22,684 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:22,685 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] [2024-11-19 05:57:22,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-19 05:57:22,687 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-19 05:57:22,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:22,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1369086112, now seen corresponding path program 1 times [2024-11-19 05:57:22,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:22,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796919723] [2024-11-19 05:57:22,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:22,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:22,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:22,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:22,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:22,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796919723] [2024-11-19 05:57:22,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796919723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:22,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:22,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:22,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072202072] [2024-11-19 05:57:22,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:22,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:22,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:22,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:22,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:22,765 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1002 out of 1048 [2024-11-19 05:57:22,769 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 936 places, 945 transitions, 1903 flow. Second operand has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 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) [2024-11-19 05:57:22,769 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:22,769 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1002 of 1048 [2024-11-19 05:57:22,769 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:23,147 INFO L124 PetriNetUnfolderBase]: 42/1847 cut-off events. [2024-11-19 05:57:23,148 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-19 05:57:23,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1890 conditions, 1847 events. 42/1847 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 8260 event pairs, 6 based on Foata normal form. 0/1598 useless extension candidates. Maximal degree in co-relation 1847. Up to 25 conditions per place. [2024-11-19 05:57:23,186 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 12 selfloop transitions, 2 changer transitions 0/944 dead transitions. [2024-11-19 05:57:23,187 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 937 places, 944 transitions, 1929 flow [2024-11-19 05:57:23,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:23,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:23,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3021 transitions. [2024-11-19 05:57:23,192 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9608778625954199 [2024-11-19 05:57:23,192 INFO L175 Difference]: Start difference. First operand has 936 places, 945 transitions, 1903 flow. Second operand 3 states and 3021 transitions. [2024-11-19 05:57:23,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 937 places, 944 transitions, 1929 flow [2024-11-19 05:57:23,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 935 places, 944 transitions, 1925 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:23,205 INFO L231 Difference]: Finished difference. Result has 935 places, 944 transitions, 1901 flow [2024-11-19 05:57:23,206 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1897, PETRI_DIFFERENCE_MINUEND_PLACES=933, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=944, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=942, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1901, PETRI_PLACES=935, PETRI_TRANSITIONS=944} [2024-11-19 05:57:23,207 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -53 predicate places. [2024-11-19 05:57:23,208 INFO L471 AbstractCegarLoop]: Abstraction has has 935 places, 944 transitions, 1901 flow [2024-11-19 05:57:23,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 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) [2024-11-19 05:57:23,209 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:23,210 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] [2024-11-19 05:57:23,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 05:57:23,210 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-19 05:57:23,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:23,213 INFO L85 PathProgramCache]: Analyzing trace with hash 41052617, now seen corresponding path program 1 times [2024-11-19 05:57:23,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:23,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218339366] [2024-11-19 05:57:23,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:23,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:23,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:23,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:23,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218339366] [2024-11-19 05:57:23,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218339366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:23,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:23,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:23,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316004152] [2024-11-19 05:57:23,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:23,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:23,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:23,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:23,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:23,275 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1003 out of 1048 [2024-11-19 05:57:23,278 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 935 places, 944 transitions, 1901 flow. Second operand has 3 states, 3 states have (on average 1004.3333333333334) internal successors, (3013), 3 states have internal predecessors, (3013), 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) [2024-11-19 05:57:23,278 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:23,278 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1003 of 1048 [2024-11-19 05:57:23,278 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:23,491 INFO L124 PetriNetUnfolderBase]: 23/1094 cut-off events. [2024-11-19 05:57:23,491 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-19 05:57:23,504 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1123 conditions, 1094 events. 23/1094 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 2533 event pairs, 2 based on Foata normal form. 0/969 useless extension candidates. Maximal degree in co-relation 1080. Up to 16 conditions per place. [2024-11-19 05:57:23,511 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 11 selfloop transitions, 2 changer transitions 0/943 dead transitions. [2024-11-19 05:57:23,511 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 936 places, 943 transitions, 1925 flow [2024-11-19 05:57:23,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:23,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:23,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3023 transitions. [2024-11-19 05:57:23,517 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9615139949109415 [2024-11-19 05:57:23,517 INFO L175 Difference]: Start difference. First operand has 935 places, 944 transitions, 1901 flow. Second operand 3 states and 3023 transitions. [2024-11-19 05:57:23,517 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 936 places, 943 transitions, 1925 flow [2024-11-19 05:57:23,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 934 places, 943 transitions, 1921 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:23,530 INFO L231 Difference]: Finished difference. Result has 934 places, 943 transitions, 1899 flow [2024-11-19 05:57:23,531 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1895, PETRI_DIFFERENCE_MINUEND_PLACES=932, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=943, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=941, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1899, PETRI_PLACES=934, PETRI_TRANSITIONS=943} [2024-11-19 05:57:23,532 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -54 predicate places. [2024-11-19 05:57:23,532 INFO L471 AbstractCegarLoop]: Abstraction has has 934 places, 943 transitions, 1899 flow [2024-11-19 05:57:23,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1004.3333333333334) internal successors, (3013), 3 states have internal predecessors, (3013), 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) [2024-11-19 05:57:23,534 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:23,534 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] [2024-11-19 05:57:23,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 05:57:23,535 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-19 05:57:23,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:23,535 INFO L85 PathProgramCache]: Analyzing trace with hash -327954564, now seen corresponding path program 1 times [2024-11-19 05:57:23,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:23,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324499982] [2024-11-19 05:57:23,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:23,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:23,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:23,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:23,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324499982] [2024-11-19 05:57:23,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324499982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:23,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:23,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:23,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974166257] [2024-11-19 05:57:23,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:23,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:23,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:23,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:23,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:23,599 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1002 out of 1048 [2024-11-19 05:57:23,603 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 934 places, 943 transitions, 1899 flow. Second operand has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 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) [2024-11-19 05:57:23,603 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:23,603 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1002 of 1048 [2024-11-19 05:57:23,604 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:23,898 INFO L124 PetriNetUnfolderBase]: 33/1395 cut-off events. [2024-11-19 05:57:23,898 INFO L125 PetriNetUnfolderBase]: For 4/36 co-relation queries the response was YES. [2024-11-19 05:57:23,919 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1435 conditions, 1395 events. 33/1395 cut-off events. For 4/36 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 4826 event pairs, 6 based on Foata normal form. 0/1219 useless extension candidates. Maximal degree in co-relation 1392. Up to 25 conditions per place. [2024-11-19 05:57:23,928 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 12 selfloop transitions, 2 changer transitions 0/942 dead transitions. [2024-11-19 05:57:23,928 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 935 places, 942 transitions, 1925 flow [2024-11-19 05:57:23,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:23,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:23,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3021 transitions. [2024-11-19 05:57:23,933 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9608778625954199 [2024-11-19 05:57:23,933 INFO L175 Difference]: Start difference. First operand has 934 places, 943 transitions, 1899 flow. Second operand 3 states and 3021 transitions. [2024-11-19 05:57:23,934 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 935 places, 942 transitions, 1925 flow [2024-11-19 05:57:23,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 933 places, 942 transitions, 1921 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:23,946 INFO L231 Difference]: Finished difference. Result has 933 places, 942 transitions, 1897 flow [2024-11-19 05:57:23,947 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1893, PETRI_DIFFERENCE_MINUEND_PLACES=931, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=942, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=940, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1897, PETRI_PLACES=933, PETRI_TRANSITIONS=942} [2024-11-19 05:57:23,948 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -55 predicate places. [2024-11-19 05:57:23,948 INFO L471 AbstractCegarLoop]: Abstraction has has 933 places, 942 transitions, 1897 flow [2024-11-19 05:57:23,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 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) [2024-11-19 05:57:23,949 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:23,950 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] [2024-11-19 05:57:23,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-19 05:57:23,950 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-19 05:57:23,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:23,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1927998895, now seen corresponding path program 1 times [2024-11-19 05:57:23,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:23,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366303878] [2024-11-19 05:57:23,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:23,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:23,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:23,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:23,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366303878] [2024-11-19 05:57:23,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366303878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:23,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:23,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:23,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112633608] [2024-11-19 05:57:23,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:23,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:23,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:23,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:23,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:24,002 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1002 out of 1048 [2024-11-19 05:57:24,006 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 933 places, 942 transitions, 1897 flow. Second operand has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 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) [2024-11-19 05:57:24,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:24,006 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1002 of 1048 [2024-11-19 05:57:24,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:24,299 INFO L124 PetriNetUnfolderBase]: 33/1394 cut-off events. [2024-11-19 05:57:24,299 INFO L125 PetriNetUnfolderBase]: For 4/36 co-relation queries the response was YES. [2024-11-19 05:57:24,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1434 conditions, 1394 events. 33/1394 cut-off events. For 4/36 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 4815 event pairs, 6 based on Foata normal form. 0/1219 useless extension candidates. Maximal degree in co-relation 1391. Up to 25 conditions per place. [2024-11-19 05:57:24,327 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 12 selfloop transitions, 2 changer transitions 0/941 dead transitions. [2024-11-19 05:57:24,328 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 934 places, 941 transitions, 1923 flow [2024-11-19 05:57:24,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:24,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:24,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3021 transitions. [2024-11-19 05:57:24,333 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9608778625954199 [2024-11-19 05:57:24,333 INFO L175 Difference]: Start difference. First operand has 933 places, 942 transitions, 1897 flow. Second operand 3 states and 3021 transitions. [2024-11-19 05:57:24,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 934 places, 941 transitions, 1923 flow [2024-11-19 05:57:24,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 932 places, 941 transitions, 1919 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:24,345 INFO L231 Difference]: Finished difference. Result has 932 places, 941 transitions, 1895 flow [2024-11-19 05:57:24,346 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1891, PETRI_DIFFERENCE_MINUEND_PLACES=930, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=941, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=939, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1895, PETRI_PLACES=932, PETRI_TRANSITIONS=941} [2024-11-19 05:57:24,347 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -56 predicate places. [2024-11-19 05:57:24,347 INFO L471 AbstractCegarLoop]: Abstraction has has 932 places, 941 transitions, 1895 flow [2024-11-19 05:57:24,348 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 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) [2024-11-19 05:57:24,349 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:24,349 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] [2024-11-19 05:57:24,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-19 05:57:24,349 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-19 05:57:24,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:24,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1055677271, now seen corresponding path program 1 times [2024-11-19 05:57:24,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:24,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860389216] [2024-11-19 05:57:24,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:24,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:24,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:24,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:24,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860389216] [2024-11-19 05:57:24,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860389216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:24,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:24,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:24,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689432820] [2024-11-19 05:57:24,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:24,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:24,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:24,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:24,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:24,393 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1003 out of 1048 [2024-11-19 05:57:24,395 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 932 places, 941 transitions, 1895 flow. Second operand has 3 states, 3 states have (on average 1004.3333333333334) internal successors, (3013), 3 states have internal predecessors, (3013), 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) [2024-11-19 05:57:24,395 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:24,395 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1003 of 1048 [2024-11-19 05:57:24,395 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:24,509 INFO L124 PetriNetUnfolderBase]: 20/970 cut-off events. [2024-11-19 05:57:24,509 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-19 05:57:24,519 INFO L83 FinitePrefix]: Finished finitePrefix Result has 998 conditions, 970 events. 20/970 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2064 event pairs, 2 based on Foata normal form. 0/870 useless extension candidates. Maximal degree in co-relation 955. Up to 16 conditions per place. [2024-11-19 05:57:24,523 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 11 selfloop transitions, 2 changer transitions 0/940 dead transitions. [2024-11-19 05:57:24,523 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 933 places, 940 transitions, 1919 flow [2024-11-19 05:57:24,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:24,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:24,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3023 transitions. [2024-11-19 05:57:24,527 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9615139949109415 [2024-11-19 05:57:24,527 INFO L175 Difference]: Start difference. First operand has 932 places, 941 transitions, 1895 flow. Second operand 3 states and 3023 transitions. [2024-11-19 05:57:24,527 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 933 places, 940 transitions, 1919 flow [2024-11-19 05:57:24,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 931 places, 940 transitions, 1915 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:24,537 INFO L231 Difference]: Finished difference. Result has 931 places, 940 transitions, 1893 flow [2024-11-19 05:57:24,538 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1889, PETRI_DIFFERENCE_MINUEND_PLACES=929, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=940, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=938, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1893, PETRI_PLACES=931, PETRI_TRANSITIONS=940} [2024-11-19 05:57:24,539 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -57 predicate places. [2024-11-19 05:57:24,539 INFO L471 AbstractCegarLoop]: Abstraction has has 931 places, 940 transitions, 1893 flow [2024-11-19 05:57:24,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1004.3333333333334) internal successors, (3013), 3 states have internal predecessors, (3013), 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) [2024-11-19 05:57:24,540 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:24,540 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] [2024-11-19 05:57:24,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 05:57:24,540 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-19 05:57:24,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:24,541 INFO L85 PathProgramCache]: Analyzing trace with hash 79333507, now seen corresponding path program 1 times [2024-11-19 05:57:24,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:24,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827949768] [2024-11-19 05:57:24,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:24,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:24,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:24,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:24,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827949768] [2024-11-19 05:57:24,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827949768] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:24,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:24,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:24,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475373942] [2024-11-19 05:57:24,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:24,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:24,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:24,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:24,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:24,600 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1002 out of 1048 [2024-11-19 05:57:24,601 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 931 places, 940 transitions, 1893 flow. Second operand has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 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) [2024-11-19 05:57:24,601 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:24,602 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1002 of 1048 [2024-11-19 05:57:24,602 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:24,750 INFO L124 PetriNetUnfolderBase]: 30/1205 cut-off events. [2024-11-19 05:57:24,750 INFO L125 PetriNetUnfolderBase]: For 8/10 co-relation queries the response was YES. [2024-11-19 05:57:24,762 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1242 conditions, 1205 events. 30/1205 cut-off events. For 8/10 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 3074 event pairs, 6 based on Foata normal form. 0/1062 useless extension candidates. Maximal degree in co-relation 1199. Up to 25 conditions per place. [2024-11-19 05:57:24,767 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 12 selfloop transitions, 2 changer transitions 0/939 dead transitions. [2024-11-19 05:57:24,768 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 932 places, 939 transitions, 1919 flow [2024-11-19 05:57:24,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:24,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:24,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3021 transitions. [2024-11-19 05:57:24,771 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9608778625954199 [2024-11-19 05:57:24,771 INFO L175 Difference]: Start difference. First operand has 931 places, 940 transitions, 1893 flow. Second operand 3 states and 3021 transitions. [2024-11-19 05:57:24,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 932 places, 939 transitions, 1919 flow [2024-11-19 05:57:24,775 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 930 places, 939 transitions, 1915 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:24,781 INFO L231 Difference]: Finished difference. Result has 930 places, 939 transitions, 1891 flow [2024-11-19 05:57:24,782 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1887, PETRI_DIFFERENCE_MINUEND_PLACES=928, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=939, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=937, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1891, PETRI_PLACES=930, PETRI_TRANSITIONS=939} [2024-11-19 05:57:24,783 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -58 predicate places. [2024-11-19 05:57:24,783 INFO L471 AbstractCegarLoop]: Abstraction has has 930 places, 939 transitions, 1891 flow [2024-11-19 05:57:24,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 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) [2024-11-19 05:57:24,784 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:24,784 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] [2024-11-19 05:57:24,784 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 05:57:24,784 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-19 05:57:24,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:24,785 INFO L85 PathProgramCache]: Analyzing trace with hash -426821869, now seen corresponding path program 1 times [2024-11-19 05:57:24,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:24,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698636703] [2024-11-19 05:57:24,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:24,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:24,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:24,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:24,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698636703] [2024-11-19 05:57:24,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698636703] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:24,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:24,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:24,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748965408] [2024-11-19 05:57:24,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:24,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:24,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:24,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:24,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:24,833 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1002 out of 1048 [2024-11-19 05:57:24,835 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 930 places, 939 transitions, 1891 flow. Second operand has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 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) [2024-11-19 05:57:24,835 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:24,835 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1002 of 1048 [2024-11-19 05:57:24,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:24,983 INFO L124 PetriNetUnfolderBase]: 30/1166 cut-off events. [2024-11-19 05:57:24,983 INFO L125 PetriNetUnfolderBase]: For 8/10 co-relation queries the response was YES. [2024-11-19 05:57:24,998 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1203 conditions, 1166 events. 30/1166 cut-off events. For 8/10 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2943 event pairs, 6 based on Foata normal form. 0/1030 useless extension candidates. Maximal degree in co-relation 1160. Up to 25 conditions per place. [2024-11-19 05:57:25,004 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 12 selfloop transitions, 2 changer transitions 0/938 dead transitions. [2024-11-19 05:57:25,004 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 931 places, 938 transitions, 1917 flow [2024-11-19 05:57:25,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:25,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:25,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3021 transitions. [2024-11-19 05:57:25,008 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9608778625954199 [2024-11-19 05:57:25,008 INFO L175 Difference]: Start difference. First operand has 930 places, 939 transitions, 1891 flow. Second operand 3 states and 3021 transitions. [2024-11-19 05:57:25,008 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 931 places, 938 transitions, 1917 flow [2024-11-19 05:57:25,013 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 929 places, 938 transitions, 1913 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:25,019 INFO L231 Difference]: Finished difference. Result has 929 places, 938 transitions, 1889 flow [2024-11-19 05:57:25,020 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1885, PETRI_DIFFERENCE_MINUEND_PLACES=927, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=938, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=936, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1889, PETRI_PLACES=929, PETRI_TRANSITIONS=938} [2024-11-19 05:57:25,021 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -59 predicate places. [2024-11-19 05:57:25,021 INFO L471 AbstractCegarLoop]: Abstraction has has 929 places, 938 transitions, 1889 flow [2024-11-19 05:57:25,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1003.3333333333334) internal successors, (3010), 3 states have internal predecessors, (3010), 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) [2024-11-19 05:57:25,021 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:25,022 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:25,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 05:57:25,022 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-19 05:57:25,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:25,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1654271590, now seen corresponding path program 1 times [2024-11-19 05:57:25,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:25,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1720756646] [2024-11-19 05:57:25,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:25,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:25,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:25,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:25,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1720756646] [2024-11-19 05:57:25,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1720756646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:25,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:25,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:25,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527224845] [2024-11-19 05:57:25,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:25,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:25,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:25,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:25,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:25,111 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1001 out of 1048 [2024-11-19 05:57:25,113 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 929 places, 938 transitions, 1889 flow. Second operand has 3 states, 3 states have (on average 1002.3333333333334) internal successors, (3007), 3 states have internal predecessors, (3007), 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) [2024-11-19 05:57:25,113 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:25,113 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1001 of 1048 [2024-11-19 05:57:25,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:25,367 INFO L124 PetriNetUnfolderBase]: 42/1529 cut-off events. [2024-11-19 05:57:25,367 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-19 05:57:25,387 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1583 conditions, 1529 events. 42/1529 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 6395 event pairs, 12 based on Foata normal form. 0/1336 useless extension candidates. Maximal degree in co-relation 1540. Up to 38 conditions per place. [2024-11-19 05:57:25,394 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 13 selfloop transitions, 2 changer transitions 0/937 dead transitions. [2024-11-19 05:57:25,395 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 930 places, 937 transitions, 1917 flow [2024-11-19 05:57:25,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:25,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:25,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3019 transitions. [2024-11-19 05:57:25,399 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9602417302798982 [2024-11-19 05:57:25,399 INFO L175 Difference]: Start difference. First operand has 929 places, 938 transitions, 1889 flow. Second operand 3 states and 3019 transitions. [2024-11-19 05:57:25,399 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 930 places, 937 transitions, 1917 flow [2024-11-19 05:57:25,402 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 928 places, 937 transitions, 1913 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:25,410 INFO L231 Difference]: Finished difference. Result has 928 places, 937 transitions, 1887 flow [2024-11-19 05:57:25,412 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1883, PETRI_DIFFERENCE_MINUEND_PLACES=926, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=937, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=935, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1887, PETRI_PLACES=928, PETRI_TRANSITIONS=937} [2024-11-19 05:57:25,412 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -60 predicate places. [2024-11-19 05:57:25,413 INFO L471 AbstractCegarLoop]: Abstraction has has 928 places, 937 transitions, 1887 flow [2024-11-19 05:57:25,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1002.3333333333334) internal successors, (3007), 3 states have internal predecessors, (3007), 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) [2024-11-19 05:57:25,413 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:25,414 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:25,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 05:57:25,414 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-19 05:57:25,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:25,414 INFO L85 PathProgramCache]: Analyzing trace with hash -2077651223, now seen corresponding path program 1 times [2024-11-19 05:57:25,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:25,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181014993] [2024-11-19 05:57:25,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:25,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:25,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:25,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:25,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:25,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181014993] [2024-11-19 05:57:25,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181014993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:25,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:25,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:57:25,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164400915] [2024-11-19 05:57:25,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:25,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:57:25,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:25,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:57:25,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:57:26,384 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 913 out of 1048 [2024-11-19 05:57:26,387 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 928 places, 937 transitions, 1887 flow. Second operand has 6 states, 6 states have (on average 914.5) internal successors, (5487), 6 states have internal predecessors, (5487), 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) [2024-11-19 05:57:26,387 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:26,387 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 913 of 1048 [2024-11-19 05:57:26,387 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:43,628 INFO L124 PetriNetUnfolderBase]: 15257/85351 cut-off events. [2024-11-19 05:57:43,629 INFO L125 PetriNetUnfolderBase]: For 719/719 co-relation queries the response was YES. [2024-11-19 05:57:44,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107780 conditions, 85351 events. 15257/85351 cut-off events. For 719/719 co-relation queries the response was YES. Maximal size of possible extension queue 1173. Compared 1263411 event pairs, 14040 based on Foata normal form. 0/74616 useless extension candidates. Maximal degree in co-relation 107738. Up to 22026 conditions per place. [2024-11-19 05:57:44,407 INFO L140 encePairwiseOnDemand]: 1030/1048 looper letters, 87 selfloop transitions, 15 changer transitions 0/934 dead transitions. [2024-11-19 05:57:44,407 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 930 places, 934 transitions, 2085 flow [2024-11-19 05:57:44,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:57:44,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:57:44,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5583 transitions. [2024-11-19 05:57:44,413 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.887881679389313 [2024-11-19 05:57:44,413 INFO L175 Difference]: Start difference. First operand has 928 places, 937 transitions, 1887 flow. Second operand 6 states and 5583 transitions. [2024-11-19 05:57:44,413 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 930 places, 934 transitions, 2085 flow [2024-11-19 05:57:44,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 928 places, 934 transitions, 2081 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:44,422 INFO L231 Difference]: Finished difference. Result has 928 places, 934 transitions, 1907 flow [2024-11-19 05:57:44,423 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1877, PETRI_DIFFERENCE_MINUEND_PLACES=923, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=934, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=919, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1907, PETRI_PLACES=928, PETRI_TRANSITIONS=934} [2024-11-19 05:57:44,424 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -60 predicate places. [2024-11-19 05:57:44,424 INFO L471 AbstractCegarLoop]: Abstraction has has 928 places, 934 transitions, 1907 flow [2024-11-19 05:57:44,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 914.5) internal successors, (5487), 6 states have internal predecessors, (5487), 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) [2024-11-19 05:57:44,425 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:44,425 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:44,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 05:57:44,425 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-19 05:57:44,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:44,426 INFO L85 PathProgramCache]: Analyzing trace with hash -2010193129, now seen corresponding path program 1 times [2024-11-19 05:57:44,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:44,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379568326] [2024-11-19 05:57:44,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:44,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:44,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:44,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:44,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379568326] [2024-11-19 05:57:44,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379568326] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:44,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:44,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:44,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594684954] [2024-11-19 05:57:44,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:44,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:44,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:44,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:44,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:44,488 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1001 out of 1048 [2024-11-19 05:57:44,489 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 928 places, 934 transitions, 1907 flow. Second operand has 3 states, 3 states have (on average 1002.3333333333334) internal successors, (3007), 3 states have internal predecessors, (3007), 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) [2024-11-19 05:57:44,490 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:44,490 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1001 of 1048 [2024-11-19 05:57:44,490 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:44,945 INFO L124 PetriNetUnfolderBase]: 62/2127 cut-off events. [2024-11-19 05:57:44,946 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES. [2024-11-19 05:57:44,964 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2212 conditions, 2127 events. 62/2127 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10866 event pairs, 20 based on Foata normal form. 0/1833 useless extension candidates. Maximal degree in co-relation 2169. Up to 50 conditions per place. [2024-11-19 05:57:44,971 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 13 selfloop transitions, 2 changer transitions 0/933 dead transitions. [2024-11-19 05:57:44,972 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 929 places, 933 transitions, 1935 flow [2024-11-19 05:57:44,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:44,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:44,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3019 transitions. [2024-11-19 05:57:44,975 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9602417302798982 [2024-11-19 05:57:44,975 INFO L175 Difference]: Start difference. First operand has 928 places, 934 transitions, 1907 flow. Second operand 3 states and 3019 transitions. [2024-11-19 05:57:44,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 929 places, 933 transitions, 1935 flow [2024-11-19 05:57:44,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 924 places, 933 transitions, 1905 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:57:44,984 INFO L231 Difference]: Finished difference. Result has 924 places, 933 transitions, 1879 flow [2024-11-19 05:57:44,985 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1875, PETRI_DIFFERENCE_MINUEND_PLACES=922, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=933, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=931, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1879, PETRI_PLACES=924, PETRI_TRANSITIONS=933} [2024-11-19 05:57:44,985 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -64 predicate places. [2024-11-19 05:57:44,985 INFO L471 AbstractCegarLoop]: Abstraction has has 924 places, 933 transitions, 1879 flow [2024-11-19 05:57:44,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1002.3333333333334) internal successors, (3007), 3 states have internal predecessors, (3007), 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) [2024-11-19 05:57:44,986 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:44,987 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:44,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-19 05:57:44,987 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-19 05:57:44,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:44,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1239658904, now seen corresponding path program 1 times [2024-11-19 05:57:44,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:44,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599699904] [2024-11-19 05:57:44,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:44,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:45,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:45,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:45,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599699904] [2024-11-19 05:57:45,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599699904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:45,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:45,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:45,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277991233] [2024-11-19 05:57:45,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:45,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:45,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:45,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:45,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:45,062 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1001 out of 1048 [2024-11-19 05:57:45,064 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 924 places, 933 transitions, 1879 flow. Second operand has 3 states, 3 states have (on average 1002.3333333333334) internal successors, (3007), 3 states have internal predecessors, (3007), 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) [2024-11-19 05:57:45,064 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:45,064 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1001 of 1048 [2024-11-19 05:57:45,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:45,289 INFO L124 PetriNetUnfolderBase]: 53/1627 cut-off events. [2024-11-19 05:57:45,290 INFO L125 PetriNetUnfolderBase]: For 12/24 co-relation queries the response was YES. [2024-11-19 05:57:45,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1691 conditions, 1627 events. 53/1627 cut-off events. For 12/24 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 6153 event pairs, 20 based on Foata normal form. 0/1421 useless extension candidates. Maximal degree in co-relation 1648. Up to 50 conditions per place. [2024-11-19 05:57:45,317 INFO L140 encePairwiseOnDemand]: 1045/1048 looper letters, 13 selfloop transitions, 2 changer transitions 0/932 dead transitions. [2024-11-19 05:57:45,317 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 925 places, 932 transitions, 1907 flow [2024-11-19 05:57:45,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:57:45,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:57:45,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3019 transitions. [2024-11-19 05:57:45,320 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9602417302798982 [2024-11-19 05:57:45,321 INFO L175 Difference]: Start difference. First operand has 924 places, 933 transitions, 1879 flow. Second operand 3 states and 3019 transitions. [2024-11-19 05:57:45,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 925 places, 932 transitions, 1907 flow [2024-11-19 05:57:45,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 923 places, 932 transitions, 1903 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:57:45,330 INFO L231 Difference]: Finished difference. Result has 923 places, 932 transitions, 1877 flow [2024-11-19 05:57:45,331 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1048, PETRI_DIFFERENCE_MINUEND_FLOW=1873, PETRI_DIFFERENCE_MINUEND_PLACES=921, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=932, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=930, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1877, PETRI_PLACES=923, PETRI_TRANSITIONS=932} [2024-11-19 05:57:45,331 INFO L277 CegarLoopForPetriNet]: 988 programPoint places, -65 predicate places. [2024-11-19 05:57:45,331 INFO L471 AbstractCegarLoop]: Abstraction has has 923 places, 932 transitions, 1877 flow [2024-11-19 05:57:45,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1002.3333333333334) internal successors, (3007), 3 states have internal predecessors, (3007), 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) [2024-11-19 05:57:45,332 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:45,332 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:45,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 05:57:45,332 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-19 05:57:45,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:45,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1430515027, now seen corresponding path program 1 times [2024-11-19 05:57:45,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:45,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890572811] [2024-11-19 05:57:45,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:45,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:45,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:45,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:45,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890572811] [2024-11-19 05:57:45,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1890572811] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:45,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:45,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:45,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418798704] [2024-11-19 05:57:45,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:45,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:45,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:45,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:45,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:45,611 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 913 out of 1048 [2024-11-19 05:57:45,613 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 923 places, 932 transitions, 1877 flow. Second operand has 3 states, 3 states have (on average 915.0) internal successors, (2745), 3 states have internal predecessors, (2745), 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) [2024-11-19 05:57:45,616 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:45,616 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 913 of 1048 [2024-11-19 05:57:45,616 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand