./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 3289d67d 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.fs.icfgbuilder-eval-3289d67-m [2024-11-16 23:43:26,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 23:43:26,810 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-16 23:43:26,816 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 23:43:26,817 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 23:43:26,842 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 23:43:26,842 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 23:43:26,842 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 23:43:26,843 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 23:43:26,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 23:43:26,843 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 23:43:26,844 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 23:43:26,844 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 23:43:26,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 23:43:26,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 23:43:26,845 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 23:43:26,845 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 23:43:26,847 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 23:43:26,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 23:43:26,847 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 23:43:26,848 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 23:43:26,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 23:43:26,848 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-16 23:43:26,849 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 23:43:26,849 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-16 23:43:26,849 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 23:43:26,849 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 23:43:26,849 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 23:43:26,850 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 23:43:26,850 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 23:43:26,850 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 23:43:26,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:43:26,850 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 23:43:26,851 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 23:43:26,851 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 23:43:26,854 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 23:43:26,854 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 23:43:26,854 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 23:43:26,855 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 23:43:26,855 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 23:43:26,855 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 23:43:26,855 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c9008ebcceff34245d74f1892a84a552f8268a9318e8a2970f14b3ec6b594daf [2024-11-16 23:43:27,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 23:43:27,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 23:43:27,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 23:43:27,096 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 23:43:27,097 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 23:43:27,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2024-11-16 23:43:28,491 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 23:43:28,645 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 23:43:28,646 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-node-trans.wvr.c [2024-11-16 23:43:28,653 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2705d10a/b58a3752b2f4407b836a608a0c6ef3f0/FLAG264e0c6bd [2024-11-16 23:43:28,665 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2705d10a/b58a3752b2f4407b836a608a0c6ef3f0 [2024-11-16 23:43:28,667 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 23:43:28,668 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 23:43:28,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 23:43:28,671 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 23:43:28,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 23:43:28,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:43:28" (1/1) ... [2024-11-16 23:43:28,677 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d16ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:28, skipping insertion in model container [2024-11-16 23:43:28,677 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:43:28" (1/1) ... [2024-11-16 23:43:28,696 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 23:43:28,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:43:28,893 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 23:43:28,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 23:43:28,974 INFO L204 MainTranslator]: Completed translation [2024-11-16 23:43:28,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:28 WrapperNode [2024-11-16 23:43:28,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 23:43:28,975 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 23:43:28,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 23:43:28,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 23:43:28,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:28" (1/1) ... [2024-11-16 23:43:28,993 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:28" (1/1) ... [2024-11-16 23:43:29,039 INFO L138 Inliner]: procedures = 26, calls = 52, calls flagged for inlining = 23, calls inlined = 35, statements flattened = 787 [2024-11-16 23:43:29,047 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 23:43:29,048 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 23:43:29,048 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 23:43:29,048 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 23:43:29,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:28" (1/1) ... [2024-11-16 23:43:29,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:28" (1/1) ... [2024-11-16 23:43:29,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:28" (1/1) ... [2024-11-16 23:43:29,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:28" (1/1) ... [2024-11-16 23:43:29,086 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:28" (1/1) ... [2024-11-16 23:43:29,088 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:28" (1/1) ... [2024-11-16 23:43:29,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:28" (1/1) ... [2024-11-16 23:43:29,092 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:28" (1/1) ... [2024-11-16 23:43:29,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 23:43:29,098 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 23:43:29,098 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 23:43:29,098 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 23:43:29,098 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:28" (1/1) ... [2024-11-16 23:43:29,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 23:43:29,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 23:43:29,184 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) [2024-11-16 23:43:29,205 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 [2024-11-16 23:43:29,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 23:43:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 23:43:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 23:43:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 23:43:29,297 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 23:43:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 23:43:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 23:43:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-16 23:43:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-16 23:43:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 23:43:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 23:43:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 23:43:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 23:43:29,299 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 23:43:29,439 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 23:43:29,441 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 23:43:30,182 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 23:43:30,183 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 23:43:30,212 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 23:43:30,212 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 23:43:30,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:43:30 BoogieIcfgContainer [2024-11-16 23:43:30,213 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 23:43:30,214 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 23:43:30,214 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 23:43:30,217 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 23:43:30,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:43:28" (1/3) ... [2024-11-16 23:43:30,217 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@647a001b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:43:30, skipping insertion in model container [2024-11-16 23:43:30,217 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:43:28" (2/3) ... [2024-11-16 23:43:30,218 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@647a001b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:43:30, skipping insertion in model container [2024-11-16 23:43:30,240 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 11:43:30" (3/3) ... [2024-11-16 23:43:30,241 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-node-trans.wvr.c [2024-11-16 23:43:30,254 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 23:43:30,254 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 114 error locations. [2024-11-16 23:43:30,254 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 23:43:30,405 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-16 23:43:30,485 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1016 places, 1054 transitions, 2129 flow [2024-11-16 23:43:30,870 INFO L124 PetriNetUnfolderBase]: 48/1051 cut-off events. [2024-11-16 23:43:30,870 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-16 23:43:30,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1064 conditions, 1051 events. 48/1051 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 2255 event pairs, 0 based on Foata normal form. 0/889 useless extension candidates. Maximal degree in co-relation 861. Up to 2 conditions per place. [2024-11-16 23:43:30,890 INFO L82 GeneralOperation]: Start removeDead. Operand has 1016 places, 1054 transitions, 2129 flow [2024-11-16 23:43:30,908 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 994 places, 1030 transitions, 2078 flow [2024-11-16 23:43:30,919 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 23:43:30,926 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;@5ea48fce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 23:43:30,926 INFO L334 AbstractCegarLoop]: Starting to check reachability of 192 error locations. [2024-11-16 23:43:30,930 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-16 23:43:30,930 INFO L124 PetriNetUnfolderBase]: 0/35 cut-off events. [2024-11-16 23:43:30,931 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-16 23:43:30,931 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:30,932 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] [2024-11-16 23:43:30,932 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-16 23:43:30,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:30,937 INFO L85 PathProgramCache]: Analyzing trace with hash -952782445, now seen corresponding path program 1 times [2024-11-16 23:43:30,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:30,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332017148] [2024-11-16 23:43:30,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:30,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:31,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:31,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:31,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332017148] [2024-11-16 23:43:31,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332017148] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:31,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:31,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:31,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306690556] [2024-11-16 23:43:31,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:31,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:31,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:31,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:31,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:31,262 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1001 out of 1054 [2024-11-16 23:43:31,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 994 places, 1030 transitions, 2078 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) [2024-11-16 23:43:31,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:31,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1001 of 1054 [2024-11-16 23:43:31,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:31,748 INFO L124 PetriNetUnfolderBase]: 54/1763 cut-off events. [2024-11-16 23:43:31,749 INFO L125 PetriNetUnfolderBase]: For 26/26 co-relation queries the response was YES. [2024-11-16 23:43:31,763 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1858 conditions, 1763 events. 54/1763 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 8029 event pairs, 21 based on Foata normal form. 59/1521 useless extension candidates. Maximal degree in co-relation 1271. Up to 62 conditions per place. [2024-11-16 23:43:31,778 INFO L140 encePairwiseOnDemand]: 1023/1054 looper letters, 19 selfloop transitions, 2 changer transitions 16/1001 dead transitions. [2024-11-16 23:43:31,778 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 995 places, 1001 transitions, 2062 flow [2024-11-16 23:43:31,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:31,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:31,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3053 transitions. [2024-11-16 23:43:31,800 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.965528146742568 [2024-11-16 23:43:31,801 INFO L175 Difference]: Start difference. First operand has 994 places, 1030 transitions, 2078 flow. Second operand 3 states and 3053 transitions. [2024-11-16 23:43:31,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 995 places, 1001 transitions, 2062 flow [2024-11-16 23:43:31,810 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 989 places, 1001 transitions, 2050 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-16 23:43:31,820 INFO L231 Difference]: Finished difference. Result has 989 places, 985 transitions, 1980 flow [2024-11-16 23:43:31,823 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=2008, PETRI_DIFFERENCE_MINUEND_PLACES=987, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=1001, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=999, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1980, PETRI_PLACES=989, PETRI_TRANSITIONS=985} [2024-11-16 23:43:31,826 INFO L277 CegarLoopForPetriNet]: 994 programPoint places, -5 predicate places. [2024-11-16 23:43:31,826 INFO L471 AbstractCegarLoop]: Abstraction has has 989 places, 985 transitions, 1980 flow [2024-11-16 23:43:31,827 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) [2024-11-16 23:43:31,828 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:31,828 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:31,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 23:43:31,828 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-16 23:43:31,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:31,829 INFO L85 PathProgramCache]: Analyzing trace with hash -308794407, now seen corresponding path program 1 times [2024-11-16 23:43:31,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:31,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116898007] [2024-11-16 23:43:31,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:31,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:31,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:31,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:31,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116898007] [2024-11-16 23:43:31,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116898007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:31,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:31,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:31,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237750726] [2024-11-16 23:43:31,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:31,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:31,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:31,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:31,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:31,938 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 1054 [2024-11-16 23:43:31,940 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 989 places, 985 transitions, 1980 flow. Second operand has 3 states, 3 states have (on average 988.0) internal successors, (2964), 3 states have internal predecessors, (2964), 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) [2024-11-16 23:43:31,941 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:31,941 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 1054 [2024-11-16 23:43:31,941 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:32,557 INFO L124 PetriNetUnfolderBase]: 114/2529 cut-off events. [2024-11-16 23:43:32,557 INFO L125 PetriNetUnfolderBase]: For 11/11 co-relation queries the response was YES. [2024-11-16 23:43:32,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2696 conditions, 2529 events. 114/2529 cut-off events. For 11/11 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 15145 event pairs, 60 based on Foata normal form. 0/2121 useless extension candidates. Maximal degree in co-relation 2653. Up to 146 conditions per place. [2024-11-16 23:43:32,596 INFO L140 encePairwiseOnDemand]: 1043/1054 looper letters, 26 selfloop transitions, 1 changer transitions 0/975 dead transitions. [2024-11-16 23:43:32,596 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 965 places, 975 transitions, 2014 flow [2024-11-16 23:43:32,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:32,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:32,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2998 transitions. [2024-11-16 23:43:32,601 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.948134092346616 [2024-11-16 23:43:32,601 INFO L175 Difference]: Start difference. First operand has 989 places, 985 transitions, 1980 flow. Second operand 3 states and 2998 transitions. [2024-11-16 23:43:32,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 965 places, 975 transitions, 2014 flow [2024-11-16 23:43:32,605 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 963 places, 975 transitions, 2010 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:32,611 INFO L231 Difference]: Finished difference. Result has 963 places, 975 transitions, 1958 flow [2024-11-16 23:43:32,612 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1956, PETRI_DIFFERENCE_MINUEND_PLACES=961, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=975, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=974, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1958, PETRI_PLACES=963, PETRI_TRANSITIONS=975} [2024-11-16 23:43:32,613 INFO L277 CegarLoopForPetriNet]: 994 programPoint places, -31 predicate places. [2024-11-16 23:43:32,613 INFO L471 AbstractCegarLoop]: Abstraction has has 963 places, 975 transitions, 1958 flow [2024-11-16 23:43:32,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 988.0) internal successors, (2964), 3 states have internal predecessors, (2964), 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) [2024-11-16 23:43:32,614 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:32,615 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] [2024-11-16 23:43:32,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 23:43:32,615 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-16 23:43:32,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:32,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1082813817, now seen corresponding path program 1 times [2024-11-16 23:43:32,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:32,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749511220] [2024-11-16 23:43:32,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:32,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:32,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:32,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:32,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749511220] [2024-11-16 23:43:32,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749511220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:32,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:32,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:32,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427042764] [2024-11-16 23:43:32,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:32,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:32,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:32,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:32,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:32,706 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1001 out of 1054 [2024-11-16 23:43:32,709 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 963 places, 975 transitions, 1958 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) [2024-11-16 23:43:32,709 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:32,709 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1001 of 1054 [2024-11-16 23:43:32,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:33,573 INFO L124 PetriNetUnfolderBase]: 90/2672 cut-off events. [2024-11-16 23:43:33,577 INFO L125 PetriNetUnfolderBase]: For 5/9 co-relation queries the response was YES. [2024-11-16 23:43:33,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2787 conditions, 2672 events. 90/2672 cut-off events. For 5/9 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 16510 event pairs, 39 based on Foata normal form. 0/2214 useless extension candidates. Maximal degree in co-relation 2744. Up to 89 conditions per place. [2024-11-16 23:43:33,663 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 19 selfloop transitions, 2 changer transitions 0/974 dead transitions. [2024-11-16 23:43:33,667 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 964 places, 974 transitions, 1998 flow [2024-11-16 23:43:33,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:33,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:33,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3025 transitions. [2024-11-16 23:43:33,679 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9566729917773561 [2024-11-16 23:43:33,679 INFO L175 Difference]: Start difference. First operand has 963 places, 975 transitions, 1958 flow. Second operand 3 states and 3025 transitions. [2024-11-16 23:43:33,679 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 964 places, 974 transitions, 1998 flow [2024-11-16 23:43:33,687 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 963 places, 974 transitions, 1997 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:43:33,706 INFO L231 Difference]: Finished difference. Result has 963 places, 974 transitions, 1959 flow [2024-11-16 23:43:33,708 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1955, PETRI_DIFFERENCE_MINUEND_PLACES=961, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=974, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=972, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1959, PETRI_PLACES=963, PETRI_TRANSITIONS=974} [2024-11-16 23:43:33,712 INFO L277 CegarLoopForPetriNet]: 994 programPoint places, -31 predicate places. [2024-11-16 23:43:33,712 INFO L471 AbstractCegarLoop]: Abstraction has has 963 places, 974 transitions, 1959 flow [2024-11-16 23:43:33,714 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) [2024-11-16 23:43:33,714 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:33,714 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] [2024-11-16 23:43:33,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 23:43:33,715 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-16 23:43:33,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:33,719 INFO L85 PathProgramCache]: Analyzing trace with hash 270961887, now seen corresponding path program 1 times [2024-11-16 23:43:33,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:33,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210531035] [2024-11-16 23:43:33,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:33,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:33,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:33,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:33,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210531035] [2024-11-16 23:43:33,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210531035] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:33,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:33,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:33,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9546818] [2024-11-16 23:43:33,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:33,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:33,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:33,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:33,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:33,813 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 1054 [2024-11-16 23:43:33,816 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 963 places, 974 transitions, 1959 flow. Second operand has 3 states, 3 states have (on average 988.0) internal successors, (2964), 3 states have internal predecessors, (2964), 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) [2024-11-16 23:43:33,816 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:33,816 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 1054 [2024-11-16 23:43:33,816 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:34,685 INFO L124 PetriNetUnfolderBase]: 225/3976 cut-off events. [2024-11-16 23:43:34,686 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-16 23:43:34,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4304 conditions, 3976 events. 225/3976 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 30089 event pairs, 132 based on Foata normal form. 0/3346 useless extension candidates. Maximal degree in co-relation 4262. Up to 264 conditions per place. [2024-11-16 23:43:34,732 INFO L140 encePairwiseOnDemand]: 1043/1054 looper letters, 26 selfloop transitions, 1 changer transitions 0/964 dead transitions. [2024-11-16 23:43:34,732 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 955 places, 964 transitions, 1993 flow [2024-11-16 23:43:34,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:34,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:34,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2998 transitions. [2024-11-16 23:43:34,737 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.948134092346616 [2024-11-16 23:43:34,737 INFO L175 Difference]: Start difference. First operand has 963 places, 974 transitions, 1959 flow. Second operand 3 states and 2998 transitions. [2024-11-16 23:43:34,737 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 955 places, 964 transitions, 1993 flow [2024-11-16 23:43:34,741 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 953 places, 964 transitions, 1989 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:34,748 INFO L231 Difference]: Finished difference. Result has 953 places, 964 transitions, 1937 flow [2024-11-16 23:43:34,749 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1935, PETRI_DIFFERENCE_MINUEND_PLACES=951, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=964, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=963, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1937, PETRI_PLACES=953, PETRI_TRANSITIONS=964} [2024-11-16 23:43:34,749 INFO L277 CegarLoopForPetriNet]: 994 programPoint places, -41 predicate places. [2024-11-16 23:43:34,750 INFO L471 AbstractCegarLoop]: Abstraction has has 953 places, 964 transitions, 1937 flow [2024-11-16 23:43:34,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 988.0) internal successors, (2964), 3 states have internal predecessors, (2964), 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) [2024-11-16 23:43:34,751 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:34,751 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:34,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-16 23:43:34,752 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-16 23:43:34,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:34,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1565040649, now seen corresponding path program 1 times [2024-11-16 23:43:34,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:34,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823892989] [2024-11-16 23:43:34,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:34,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:34,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:34,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:34,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823892989] [2024-11-16 23:43:34,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823892989] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:34,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:34,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:34,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510746808] [2024-11-16 23:43:34,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:34,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:34,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:34,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:34,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:34,826 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1001 out of 1054 [2024-11-16 23:43:34,829 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 953 places, 964 transitions, 1937 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) [2024-11-16 23:43:34,829 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:34,829 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1001 of 1054 [2024-11-16 23:43:34,829 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:35,190 INFO L124 PetriNetUnfolderBase]: 75/1839 cut-off events. [2024-11-16 23:43:35,190 INFO L125 PetriNetUnfolderBase]: For 20/47 co-relation queries the response was YES. [2024-11-16 23:43:35,212 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1940 conditions, 1839 events. 75/1839 cut-off events. For 20/47 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 8485 event pairs, 39 based on Foata normal form. 0/1566 useless extension candidates. Maximal degree in co-relation 1897. Up to 89 conditions per place. [2024-11-16 23:43:35,222 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 19 selfloop transitions, 2 changer transitions 0/963 dead transitions. [2024-11-16 23:43:35,222 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 954 places, 963 transitions, 1977 flow [2024-11-16 23:43:35,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:35,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:35,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3025 transitions. [2024-11-16 23:43:35,230 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9566729917773561 [2024-11-16 23:43:35,230 INFO L175 Difference]: Start difference. First operand has 953 places, 964 transitions, 1937 flow. Second operand 3 states and 3025 transitions. [2024-11-16 23:43:35,231 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 954 places, 963 transitions, 1977 flow [2024-11-16 23:43:35,235 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 953 places, 963 transitions, 1976 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:43:35,242 INFO L231 Difference]: Finished difference. Result has 953 places, 963 transitions, 1938 flow [2024-11-16 23:43:35,243 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1934, PETRI_DIFFERENCE_MINUEND_PLACES=951, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=963, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=961, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1938, PETRI_PLACES=953, PETRI_TRANSITIONS=963} [2024-11-16 23:43:35,244 INFO L277 CegarLoopForPetriNet]: 994 programPoint places, -41 predicate places. [2024-11-16 23:43:35,244 INFO L471 AbstractCegarLoop]: Abstraction has has 953 places, 963 transitions, 1938 flow [2024-11-16 23:43:35,246 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) [2024-11-16 23:43:35,246 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:35,246 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] [2024-11-16 23:43:35,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 23:43:35,246 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-16 23:43:35,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:35,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1160028135, now seen corresponding path program 1 times [2024-11-16 23:43:35,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:35,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958227802] [2024-11-16 23:43:35,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:35,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:35,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:35,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:35,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:35,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958227802] [2024-11-16 23:43:35,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958227802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:35,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:35,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:35,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074565360] [2024-11-16 23:43:35,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:35,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:35,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:35,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:35,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:35,324 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 987 out of 1054 [2024-11-16 23:43:35,327 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 953 places, 963 transitions, 1938 flow. Second operand has 3 states, 3 states have (on average 988.0) internal successors, (2964), 3 states have internal predecessors, (2964), 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) [2024-11-16 23:43:35,327 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:35,327 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 987 of 1054 [2024-11-16 23:43:35,327 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:36,004 INFO L124 PetriNetUnfolderBase]: 227/3709 cut-off events. [2024-11-16 23:43:36,005 INFO L125 PetriNetUnfolderBase]: For 65/94 co-relation queries the response was YES. [2024-11-16 23:43:36,037 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4000 conditions, 3709 events. 227/3709 cut-off events. For 65/94 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 26842 event pairs, 132 based on Foata normal form. 0/3161 useless extension candidates. Maximal degree in co-relation 3958. Up to 274 conditions per place. [2024-11-16 23:43:36,050 INFO L140 encePairwiseOnDemand]: 1043/1054 looper letters, 26 selfloop transitions, 1 changer transitions 0/953 dead transitions. [2024-11-16 23:43:36,051 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 945 places, 953 transitions, 1972 flow [2024-11-16 23:43:36,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:36,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:36,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2998 transitions. [2024-11-16 23:43:36,055 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.948134092346616 [2024-11-16 23:43:36,055 INFO L175 Difference]: Start difference. First operand has 953 places, 963 transitions, 1938 flow. Second operand 3 states and 2998 transitions. [2024-11-16 23:43:36,056 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 945 places, 953 transitions, 1972 flow [2024-11-16 23:43:36,059 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 943 places, 953 transitions, 1968 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:36,134 INFO L231 Difference]: Finished difference. Result has 943 places, 953 transitions, 1916 flow [2024-11-16 23:43:36,135 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1914, PETRI_DIFFERENCE_MINUEND_PLACES=941, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=953, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=952, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1916, PETRI_PLACES=943, PETRI_TRANSITIONS=953} [2024-11-16 23:43:36,135 INFO L277 CegarLoopForPetriNet]: 994 programPoint places, -51 predicate places. [2024-11-16 23:43:36,136 INFO L471 AbstractCegarLoop]: Abstraction has has 943 places, 953 transitions, 1916 flow [2024-11-16 23:43:36,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 988.0) internal successors, (2964), 3 states have internal predecessors, (2964), 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) [2024-11-16 23:43:36,137 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:36,138 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:36,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-16 23:43:36,138 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-16 23:43:36,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:36,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1045642197, now seen corresponding path program 1 times [2024-11-16 23:43:36,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:36,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881804143] [2024-11-16 23:43:36,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:36,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:36,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:36,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:36,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881804143] [2024-11-16 23:43:36,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881804143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:36,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:36,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:36,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377608707] [2024-11-16 23:43:36,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:36,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:36,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:36,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:36,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:36,223 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1009 out of 1054 [2024-11-16 23:43:36,226 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 943 places, 953 transitions, 1916 flow. Second operand has 3 states, 3 states have (on average 1010.3333333333334) internal successors, (3031), 3 states have internal predecessors, (3031), 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) [2024-11-16 23:43:36,226 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:36,226 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1009 of 1054 [2024-11-16 23:43:36,226 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:36,387 INFO L124 PetriNetUnfolderBase]: 26/1253 cut-off events. [2024-11-16 23:43:36,387 INFO L125 PetriNetUnfolderBase]: For 2/4 co-relation queries the response was YES. [2024-11-16 23:43:36,400 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1281 conditions, 1253 events. 26/1253 cut-off events. For 2/4 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 3318 event pairs, 2 based on Foata normal form. 0/1100 useless extension candidates. Maximal degree in co-relation 1238. Up to 16 conditions per place. [2024-11-16 23:43:36,406 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 11 selfloop transitions, 2 changer transitions 0/952 dead transitions. [2024-11-16 23:43:36,406 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 944 places, 952 transitions, 1940 flow [2024-11-16 23:43:36,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:36,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:36,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3041 transitions. [2024-11-16 23:43:36,410 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9617330803289058 [2024-11-16 23:43:36,410 INFO L175 Difference]: Start difference. First operand has 943 places, 953 transitions, 1916 flow. Second operand 3 states and 3041 transitions. [2024-11-16 23:43:36,410 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 944 places, 952 transitions, 1940 flow [2024-11-16 23:43:36,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 943 places, 952 transitions, 1939 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-16 23:43:36,421 INFO L231 Difference]: Finished difference. Result has 943 places, 952 transitions, 1917 flow [2024-11-16 23:43:36,422 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1913, PETRI_DIFFERENCE_MINUEND_PLACES=941, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=952, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=950, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1917, PETRI_PLACES=943, PETRI_TRANSITIONS=952} [2024-11-16 23:43:36,423 INFO L277 CegarLoopForPetriNet]: 994 programPoint places, -51 predicate places. [2024-11-16 23:43:36,423 INFO L471 AbstractCegarLoop]: Abstraction has has 943 places, 952 transitions, 1917 flow [2024-11-16 23:43:36,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1010.3333333333334) internal successors, (3031), 3 states have internal predecessors, (3031), 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) [2024-11-16 23:43:36,425 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:36,425 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] [2024-11-16 23:43:36,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-16 23:43:36,425 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-16 23:43:36,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:36,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1579206948, now seen corresponding path program 1 times [2024-11-16 23:43:36,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:36,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295022112] [2024-11-16 23:43:36,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:36,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:36,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:36,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:36,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295022112] [2024-11-16 23:43:36,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295022112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:36,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:36,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:36,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790478257] [2024-11-16 23:43:36,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:36,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:36,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:36,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:36,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:36,488 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-16 23:43:36,491 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 943 places, 952 transitions, 1917 flow. Second operand has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 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) [2024-11-16 23:43:36,491 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:36,491 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-16 23:43:36,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:36,828 INFO L124 PetriNetUnfolderBase]: 42/1854 cut-off events. [2024-11-16 23:43:36,829 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-16 23:43:36,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1897 conditions, 1854 events. 42/1854 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 8328 event pairs, 6 based on Foata normal form. 0/1604 useless extension candidates. Maximal degree in co-relation 1854. Up to 25 conditions per place. [2024-11-16 23:43:36,858 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/951 dead transitions. [2024-11-16 23:43:36,858 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 944 places, 951 transitions, 1943 flow [2024-11-16 23:43:36,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:36,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:36,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-16 23:43:36,863 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-16 23:43:36,863 INFO L175 Difference]: Start difference. First operand has 943 places, 952 transitions, 1917 flow. Second operand 3 states and 3039 transitions. [2024-11-16 23:43:36,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 944 places, 951 transitions, 1943 flow [2024-11-16 23:43:36,868 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 942 places, 951 transitions, 1939 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:36,876 INFO L231 Difference]: Finished difference. Result has 942 places, 951 transitions, 1915 flow [2024-11-16 23:43:36,877 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1911, PETRI_DIFFERENCE_MINUEND_PLACES=940, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=951, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=949, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1915, PETRI_PLACES=942, PETRI_TRANSITIONS=951} [2024-11-16 23:43:36,878 INFO L277 CegarLoopForPetriNet]: 994 programPoint places, -52 predicate places. [2024-11-16 23:43:36,878 INFO L471 AbstractCegarLoop]: Abstraction has has 942 places, 951 transitions, 1915 flow [2024-11-16 23:43:36,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 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) [2024-11-16 23:43:36,880 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:36,880 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] [2024-11-16 23:43:36,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-16 23:43:36,881 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-16 23:43:36,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:36,881 INFO L85 PathProgramCache]: Analyzing trace with hash -208100231, now seen corresponding path program 1 times [2024-11-16 23:43:36,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:36,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025439228] [2024-11-16 23:43:36,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:36,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:36,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:36,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:36,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:36,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025439228] [2024-11-16 23:43:36,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025439228] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:36,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:36,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:36,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392762354] [2024-11-16 23:43:36,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:36,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:36,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:36,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:36,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:36,957 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-16 23:43:36,960 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 942 places, 951 transitions, 1915 flow. Second operand has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 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) [2024-11-16 23:43:36,961 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:36,961 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-16 23:43:36,961 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:37,334 INFO L124 PetriNetUnfolderBase]: 42/1853 cut-off events. [2024-11-16 23:43:37,335 INFO L125 PetriNetUnfolderBase]: For 2/6 co-relation queries the response was YES. [2024-11-16 23:43:37,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1896 conditions, 1853 events. 42/1853 cut-off events. For 2/6 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 8295 event pairs, 6 based on Foata normal form. 0/1604 useless extension candidates. Maximal degree in co-relation 1853. Up to 25 conditions per place. [2024-11-16 23:43:37,352 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/950 dead transitions. [2024-11-16 23:43:37,352 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 943 places, 950 transitions, 1941 flow [2024-11-16 23:43:37,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:37,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:37,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-16 23:43:37,356 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-16 23:43:37,356 INFO L175 Difference]: Start difference. First operand has 942 places, 951 transitions, 1915 flow. Second operand 3 states and 3039 transitions. [2024-11-16 23:43:37,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 943 places, 950 transitions, 1941 flow [2024-11-16 23:43:37,360 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 941 places, 950 transitions, 1937 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:37,365 INFO L231 Difference]: Finished difference. Result has 941 places, 950 transitions, 1913 flow [2024-11-16 23:43:37,366 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1909, PETRI_DIFFERENCE_MINUEND_PLACES=939, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=950, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=948, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1913, PETRI_PLACES=941, PETRI_TRANSITIONS=950} [2024-11-16 23:43:37,367 INFO L277 CegarLoopForPetriNet]: 994 programPoint places, -53 predicate places. [2024-11-16 23:43:37,368 INFO L471 AbstractCegarLoop]: Abstraction has has 941 places, 950 transitions, 1913 flow [2024-11-16 23:43:37,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 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) [2024-11-16 23:43:37,369 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:37,369 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] [2024-11-16 23:43:37,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-16 23:43:37,369 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-16 23:43:37,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:37,376 INFO L85 PathProgramCache]: Analyzing trace with hash 2023236421, now seen corresponding path program 1 times [2024-11-16 23:43:37,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:37,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355810221] [2024-11-16 23:43:37,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:37,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:37,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:37,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:37,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355810221] [2024-11-16 23:43:37,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355810221] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:37,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:37,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:37,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105885809] [2024-11-16 23:43:37,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:37,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:37,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:37,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:37,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:37,444 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1009 out of 1054 [2024-11-16 23:43:37,446 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 941 places, 950 transitions, 1913 flow. Second operand has 3 states, 3 states have (on average 1010.3333333333334) internal successors, (3031), 3 states have internal predecessors, (3031), 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) [2024-11-16 23:43:37,447 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:37,447 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1009 of 1054 [2024-11-16 23:43:37,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:37,578 INFO L124 PetriNetUnfolderBase]: 23/1100 cut-off events. [2024-11-16 23:43:37,579 INFO L125 PetriNetUnfolderBase]: For 2/5 co-relation queries the response was YES. [2024-11-16 23:43:37,590 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1129 conditions, 1100 events. 23/1100 cut-off events. For 2/5 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2536 event pairs, 2 based on Foata normal form. 0/975 useless extension candidates. Maximal degree in co-relation 1086. Up to 16 conditions per place. [2024-11-16 23:43:37,595 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 11 selfloop transitions, 2 changer transitions 0/949 dead transitions. [2024-11-16 23:43:37,595 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 942 places, 949 transitions, 1937 flow [2024-11-16 23:43:37,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:37,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:37,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3041 transitions. [2024-11-16 23:43:37,599 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9617330803289058 [2024-11-16 23:43:37,599 INFO L175 Difference]: Start difference. First operand has 941 places, 950 transitions, 1913 flow. Second operand 3 states and 3041 transitions. [2024-11-16 23:43:37,599 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 942 places, 949 transitions, 1937 flow [2024-11-16 23:43:37,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 940 places, 949 transitions, 1933 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:37,608 INFO L231 Difference]: Finished difference. Result has 940 places, 949 transitions, 1911 flow [2024-11-16 23:43:37,610 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1907, PETRI_DIFFERENCE_MINUEND_PLACES=938, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=949, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=947, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1911, PETRI_PLACES=940, PETRI_TRANSITIONS=949} [2024-11-16 23:43:37,610 INFO L277 CegarLoopForPetriNet]: 994 programPoint places, -54 predicate places. [2024-11-16 23:43:37,611 INFO L471 AbstractCegarLoop]: Abstraction has has 940 places, 949 transitions, 1911 flow [2024-11-16 23:43:37,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1010.3333333333334) internal successors, (3031), 3 states have internal predecessors, (3031), 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) [2024-11-16 23:43:37,613 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:37,613 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] [2024-11-16 23:43:37,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-16 23:43:37,613 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-16 23:43:37,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:37,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1014673941, now seen corresponding path program 1 times [2024-11-16 23:43:37,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:37,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882351797] [2024-11-16 23:43:37,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:37,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:37,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:37,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:37,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882351797] [2024-11-16 23:43:37,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882351797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:37,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:37,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:37,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316198141] [2024-11-16 23:43:37,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:37,645 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:37,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:37,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:37,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:37,661 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-16 23:43:37,664 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 940 places, 949 transitions, 1911 flow. Second operand has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 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) [2024-11-16 23:43:37,664 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:37,664 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-16 23:43:37,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:37,892 INFO L124 PetriNetUnfolderBase]: 33/1401 cut-off events. [2024-11-16 23:43:37,893 INFO L125 PetriNetUnfolderBase]: For 4/36 co-relation queries the response was YES. [2024-11-16 23:43:37,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1441 conditions, 1401 events. 33/1401 cut-off events. For 4/36 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 4877 event pairs, 6 based on Foata normal form. 0/1225 useless extension candidates. Maximal degree in co-relation 1398. Up to 25 conditions per place. [2024-11-16 23:43:37,920 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/948 dead transitions. [2024-11-16 23:43:37,920 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 941 places, 948 transitions, 1937 flow [2024-11-16 23:43:37,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:37,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:37,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-16 23:43:37,925 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-16 23:43:37,925 INFO L175 Difference]: Start difference. First operand has 940 places, 949 transitions, 1911 flow. Second operand 3 states and 3039 transitions. [2024-11-16 23:43:37,925 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 941 places, 948 transitions, 1937 flow [2024-11-16 23:43:37,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 939 places, 948 transitions, 1933 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:37,938 INFO L231 Difference]: Finished difference. Result has 939 places, 948 transitions, 1909 flow [2024-11-16 23:43:37,939 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1905, PETRI_DIFFERENCE_MINUEND_PLACES=937, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=948, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=946, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1909, PETRI_PLACES=939, PETRI_TRANSITIONS=948} [2024-11-16 23:43:37,939 INFO L277 CegarLoopForPetriNet]: 994 programPoint places, -55 predicate places. [2024-11-16 23:43:37,940 INFO L471 AbstractCegarLoop]: Abstraction has has 939 places, 948 transitions, 1909 flow [2024-11-16 23:43:37,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 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) [2024-11-16 23:43:37,942 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:37,942 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] [2024-11-16 23:43:37,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-16 23:43:37,942 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-16 23:43:37,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:37,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1933398289, now seen corresponding path program 1 times [2024-11-16 23:43:37,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:37,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423291469] [2024-11-16 23:43:37,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:37,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:37,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:37,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:37,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423291469] [2024-11-16 23:43:37,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423291469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:37,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:37,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:37,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608050916] [2024-11-16 23:43:37,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:37,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:37,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:37,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:37,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:37,993 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-16 23:43:37,996 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 939 places, 948 transitions, 1909 flow. Second operand has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 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) [2024-11-16 23:43:37,996 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:37,997 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-16 23:43:37,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:38,285 INFO L124 PetriNetUnfolderBase]: 33/1400 cut-off events. [2024-11-16 23:43:38,286 INFO L125 PetriNetUnfolderBase]: For 4/28 co-relation queries the response was YES. [2024-11-16 23:43:38,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1440 conditions, 1400 events. 33/1400 cut-off events. For 4/28 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 4820 event pairs, 6 based on Foata normal form. 0/1226 useless extension candidates. Maximal degree in co-relation 1397. Up to 25 conditions per place. [2024-11-16 23:43:38,314 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/947 dead transitions. [2024-11-16 23:43:38,314 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 940 places, 947 transitions, 1935 flow [2024-11-16 23:43:38,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:38,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:38,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-16 23:43:38,319 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-16 23:43:38,319 INFO L175 Difference]: Start difference. First operand has 939 places, 948 transitions, 1909 flow. Second operand 3 states and 3039 transitions. [2024-11-16 23:43:38,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 940 places, 947 transitions, 1935 flow [2024-11-16 23:43:38,324 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 938 places, 947 transitions, 1931 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:38,331 INFO L231 Difference]: Finished difference. Result has 938 places, 947 transitions, 1907 flow [2024-11-16 23:43:38,333 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1903, PETRI_DIFFERENCE_MINUEND_PLACES=936, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=947, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=945, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1907, PETRI_PLACES=938, PETRI_TRANSITIONS=947} [2024-11-16 23:43:38,333 INFO L277 CegarLoopForPetriNet]: 994 programPoint places, -56 predicate places. [2024-11-16 23:43:38,333 INFO L471 AbstractCegarLoop]: Abstraction has has 938 places, 947 transitions, 1907 flow [2024-11-16 23:43:38,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 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) [2024-11-16 23:43:38,334 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:38,334 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:38,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-16 23:43:38,335 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-16 23:43:38,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:38,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1973049679, now seen corresponding path program 1 times [2024-11-16 23:43:38,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:38,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860964920] [2024-11-16 23:43:38,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:38,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:38,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:38,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:38,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:38,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860964920] [2024-11-16 23:43:38,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860964920] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:38,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:38,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:38,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454877217] [2024-11-16 23:43:38,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:38,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:38,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:38,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:38,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:38,384 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1009 out of 1054 [2024-11-16 23:43:38,387 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 938 places, 947 transitions, 1907 flow. Second operand has 3 states, 3 states have (on average 1010.3333333333334) internal successors, (3031), 3 states have internal predecessors, (3031), 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) [2024-11-16 23:43:38,387 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:38,387 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1009 of 1054 [2024-11-16 23:43:38,387 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:38,559 INFO L124 PetriNetUnfolderBase]: 20/976 cut-off events. [2024-11-16 23:43:38,559 INFO L125 PetriNetUnfolderBase]: For 4/6 co-relation queries the response was YES. [2024-11-16 23:43:38,568 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1004 conditions, 976 events. 20/976 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2059 event pairs, 2 based on Foata normal form. 0/877 useless extension candidates. Maximal degree in co-relation 961. Up to 16 conditions per place. [2024-11-16 23:43:38,572 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 11 selfloop transitions, 2 changer transitions 0/946 dead transitions. [2024-11-16 23:43:38,572 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 939 places, 946 transitions, 1931 flow [2024-11-16 23:43:38,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:38,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:38,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3041 transitions. [2024-11-16 23:43:38,576 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9617330803289058 [2024-11-16 23:43:38,577 INFO L175 Difference]: Start difference. First operand has 938 places, 947 transitions, 1907 flow. Second operand 3 states and 3041 transitions. [2024-11-16 23:43:38,577 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 939 places, 946 transitions, 1931 flow [2024-11-16 23:43:38,582 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 937 places, 946 transitions, 1927 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:38,589 INFO L231 Difference]: Finished difference. Result has 937 places, 946 transitions, 1905 flow [2024-11-16 23:43:38,590 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, 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} [2024-11-16 23:43:38,591 INFO L277 CegarLoopForPetriNet]: 994 programPoint places, -57 predicate places. [2024-11-16 23:43:38,591 INFO L471 AbstractCegarLoop]: Abstraction has has 937 places, 946 transitions, 1905 flow [2024-11-16 23:43:38,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1010.3333333333334) internal successors, (3031), 3 states have internal predecessors, (3031), 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) [2024-11-16 23:43:38,592 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:38,592 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] [2024-11-16 23:43:38,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-16 23:43:38,593 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-16 23:43:38,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:38,593 INFO L85 PathProgramCache]: Analyzing trace with hash 197141601, now seen corresponding path program 1 times [2024-11-16 23:43:38,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:38,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982275758] [2024-11-16 23:43:38,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:38,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:38,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:38,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:38,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:38,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982275758] [2024-11-16 23:43:38,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982275758] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:38,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:38,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:38,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702024301] [2024-11-16 23:43:38,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:38,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:38,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:38,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:38,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:38,678 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-16 23:43:38,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 937 places, 946 transitions, 1905 flow. Second operand has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 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) [2024-11-16 23:43:38,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:38,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-16 23:43:38,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:38,899 INFO L124 PetriNetUnfolderBase]: 30/1211 cut-off events. [2024-11-16 23:43:38,899 INFO L125 PetriNetUnfolderBase]: For 8/10 co-relation queries the response was YES. [2024-11-16 23:43:38,911 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1248 conditions, 1211 events. 30/1211 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. 0/1068 useless extension candidates. Maximal degree in co-relation 1205. Up to 25 conditions per place. [2024-11-16 23:43:38,916 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/945 dead transitions. [2024-11-16 23:43:38,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 938 places, 945 transitions, 1931 flow [2024-11-16 23:43:38,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:38,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:38,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-16 23:43:38,921 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-16 23:43:38,921 INFO L175 Difference]: Start difference. First operand has 937 places, 946 transitions, 1905 flow. Second operand 3 states and 3039 transitions. [2024-11-16 23:43:38,921 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 938 places, 945 transitions, 1931 flow [2024-11-16 23:43:38,926 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 936 places, 945 transitions, 1927 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:38,933 INFO L231 Difference]: Finished difference. Result has 936 places, 945 transitions, 1903 flow [2024-11-16 23:43:38,934 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, 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} [2024-11-16 23:43:38,935 INFO L277 CegarLoopForPetriNet]: 994 programPoint places, -58 predicate places. [2024-11-16 23:43:38,935 INFO L471 AbstractCegarLoop]: Abstraction has has 936 places, 945 transitions, 1903 flow [2024-11-16 23:43:38,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 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) [2024-11-16 23:43:38,936 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:38,936 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] [2024-11-16 23:43:38,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-16 23:43:38,937 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-16 23:43:38,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:38,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1818871549, now seen corresponding path program 1 times [2024-11-16 23:43:38,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:38,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158972584] [2024-11-16 23:43:38,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:38,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:38,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:38,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:38,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158972584] [2024-11-16 23:43:38,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158972584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:38,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:38,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:38,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480165054] [2024-11-16 23:43:38,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:38,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:38,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:38,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:38,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:39,001 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1008 out of 1054 [2024-11-16 23:43:39,003 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 936 places, 945 transitions, 1903 flow. Second operand has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 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) [2024-11-16 23:43:39,003 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:39,004 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1008 of 1054 [2024-11-16 23:43:39,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:39,212 INFO L124 PetriNetUnfolderBase]: 30/1172 cut-off events. [2024-11-16 23:43:39,212 INFO L125 PetriNetUnfolderBase]: For 8/10 co-relation queries the response was YES. [2024-11-16 23:43:39,224 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1209 conditions, 1172 events. 30/1172 cut-off events. For 8/10 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 2938 event pairs, 6 based on Foata normal form. 0/1036 useless extension candidates. Maximal degree in co-relation 1166. Up to 25 conditions per place. [2024-11-16 23:43:39,229 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 12 selfloop transitions, 2 changer transitions 0/944 dead transitions. [2024-11-16 23:43:39,229 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 937 places, 944 transitions, 1929 flow [2024-11-16 23:43:39,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:39,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:39,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3039 transitions. [2024-11-16 23:43:39,234 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.961100569259962 [2024-11-16 23:43:39,234 INFO L175 Difference]: Start difference. First operand has 936 places, 945 transitions, 1903 flow. Second operand 3 states and 3039 transitions. [2024-11-16 23:43:39,234 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 937 places, 944 transitions, 1929 flow [2024-11-16 23:43:39,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 935 places, 944 transitions, 1925 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:39,246 INFO L231 Difference]: Finished difference. Result has 935 places, 944 transitions, 1901 flow [2024-11-16 23:43:39,247 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, 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} [2024-11-16 23:43:39,248 INFO L277 CegarLoopForPetriNet]: 994 programPoint places, -59 predicate places. [2024-11-16 23:43:39,248 INFO L471 AbstractCegarLoop]: Abstraction has has 935 places, 944 transitions, 1901 flow [2024-11-16 23:43:39,249 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1009.3333333333334) internal successors, (3028), 3 states have internal predecessors, (3028), 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) [2024-11-16 23:43:39,249 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:39,250 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 23:43:39,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-16 23:43:39,250 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-16 23:43:39,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:39,250 INFO L85 PathProgramCache]: Analyzing trace with hash -634782008, now seen corresponding path program 1 times [2024-11-16 23:43:39,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:39,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789857335] [2024-11-16 23:43:39,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:39,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:39,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:39,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:39,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789857335] [2024-11-16 23:43:39,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789857335] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:39,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:39,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:39,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971842025] [2024-11-16 23:43:39,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:39,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:39,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:39,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:39,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:39,334 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1007 out of 1054 [2024-11-16 23:43:39,337 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 935 places, 944 transitions, 1901 flow. Second operand has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 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) [2024-11-16 23:43:39,337 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:39,337 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1007 of 1054 [2024-11-16 23:43:39,337 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:39,630 INFO L124 PetriNetUnfolderBase]: 42/1535 cut-off events. [2024-11-16 23:43:39,630 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-16 23:43:39,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1589 conditions, 1535 events. 42/1535 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 6400 event pairs, 12 based on Foata normal form. 0/1342 useless extension candidates. Maximal degree in co-relation 1546. Up to 38 conditions per place. [2024-11-16 23:43:39,657 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 13 selfloop transitions, 2 changer transitions 0/943 dead transitions. [2024-11-16 23:43:39,657 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 936 places, 943 transitions, 1929 flow [2024-11-16 23:43:39,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:39,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:39,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3037 transitions. [2024-11-16 23:43:39,662 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9604680581910183 [2024-11-16 23:43:39,663 INFO L175 Difference]: Start difference. First operand has 935 places, 944 transitions, 1901 flow. Second operand 3 states and 3037 transitions. [2024-11-16 23:43:39,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 936 places, 943 transitions, 1929 flow [2024-11-16 23:43:39,667 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 934 places, 943 transitions, 1925 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:39,676 INFO L231 Difference]: Finished difference. Result has 934 places, 943 transitions, 1899 flow [2024-11-16 23:43:39,677 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, 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} [2024-11-16 23:43:39,677 INFO L277 CegarLoopForPetriNet]: 994 programPoint places, -60 predicate places. [2024-11-16 23:43:39,677 INFO L471 AbstractCegarLoop]: Abstraction has has 934 places, 943 transitions, 1899 flow [2024-11-16 23:43:39,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 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) [2024-11-16 23:43:39,678 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:39,678 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] [2024-11-16 23:43:39,679 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-16 23:43:39,679 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-16 23:43:39,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:39,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1210332005, now seen corresponding path program 1 times [2024-11-16 23:43:39,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:39,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641216164] [2024-11-16 23:43:39,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:39,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:40,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:40,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:40,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641216164] [2024-11-16 23:43:40,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641216164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:40,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:40,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 23:43:40,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245395182] [2024-11-16 23:43:40,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:40,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 23:43:40,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:40,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 23:43:40,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-16 23:43:40,707 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 919 out of 1054 [2024-11-16 23:43:40,711 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 934 places, 943 transitions, 1899 flow. Second operand has 6 states, 6 states have (on average 920.5) internal successors, (5523), 6 states have internal predecessors, (5523), 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) [2024-11-16 23:43:40,712 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:40,712 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 919 of 1054 [2024-11-16 23:43:40,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:56,977 INFO L124 PetriNetUnfolderBase]: 15257/84669 cut-off events. [2024-11-16 23:43:56,978 INFO L125 PetriNetUnfolderBase]: For 719/719 co-relation queries the response was YES. [2024-11-16 23:43:57,441 INFO L83 FinitePrefix]: Finished finitePrefix Result has 107098 conditions, 84669 events. 15257/84669 cut-off events. For 719/719 co-relation queries the response was YES. Maximal size of possible extension queue 1173. Compared 1250375 event pairs, 14040 based on Foata normal form. 0/73981 useless extension candidates. Maximal degree in co-relation 107056. Up to 22026 conditions per place. [2024-11-16 23:43:57,774 INFO L140 encePairwiseOnDemand]: 1036/1054 looper letters, 87 selfloop transitions, 15 changer transitions 0/940 dead transitions. [2024-11-16 23:43:57,775 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 936 places, 940 transitions, 2097 flow [2024-11-16 23:43:57,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 23:43:57,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-16 23:43:57,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5619 transitions. [2024-11-16 23:43:57,794 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.8885199240986718 [2024-11-16 23:43:57,795 INFO L175 Difference]: Start difference. First operand has 934 places, 943 transitions, 1899 flow. Second operand 6 states and 5619 transitions. [2024-11-16 23:43:57,795 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 936 places, 940 transitions, 2097 flow [2024-11-16 23:43:57,799 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 934 places, 940 transitions, 2093 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:57,810 INFO L231 Difference]: Finished difference. Result has 934 places, 940 transitions, 1919 flow [2024-11-16 23:43:57,811 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, PETRI_DIFFERENCE_MINUEND_FLOW=1889, PETRI_DIFFERENCE_MINUEND_PLACES=929, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=940, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=925, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1919, PETRI_PLACES=934, PETRI_TRANSITIONS=940} [2024-11-16 23:43:57,815 INFO L277 CegarLoopForPetriNet]: 994 programPoint places, -60 predicate places. [2024-11-16 23:43:57,816 INFO L471 AbstractCegarLoop]: Abstraction has has 934 places, 940 transitions, 1919 flow [2024-11-16 23:43:57,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 920.5) internal successors, (5523), 6 states have internal predecessors, (5523), 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) [2024-11-16 23:43:57,821 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:57,821 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] [2024-11-16 23:43:57,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-16 23:43:57,822 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-16 23:43:57,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:57,822 INFO L85 PathProgramCache]: Analyzing trace with hash -10862611, now seen corresponding path program 1 times [2024-11-16 23:43:57,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:57,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077348589] [2024-11-16 23:43:57,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:57,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:57,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:57,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:57,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077348589] [2024-11-16 23:43:57,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077348589] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:57,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:57,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:57,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720259695] [2024-11-16 23:43:57,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:57,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:57,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:57,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:57,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:57,901 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1007 out of 1054 [2024-11-16 23:43:57,903 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 934 places, 940 transitions, 1919 flow. Second operand has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 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) [2024-11-16 23:43:57,903 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:57,903 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1007 of 1054 [2024-11-16 23:43:57,903 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:58,399 INFO L124 PetriNetUnfolderBase]: 62/2133 cut-off events. [2024-11-16 23:43:58,399 INFO L125 PetriNetUnfolderBase]: For 4/7 co-relation queries the response was YES. [2024-11-16 23:43:58,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2218 conditions, 2133 events. 62/2133 cut-off events. For 4/7 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 10879 event pairs, 20 based on Foata normal form. 0/1839 useless extension candidates. Maximal degree in co-relation 2175. Up to 50 conditions per place. [2024-11-16 23:43:58,418 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 13 selfloop transitions, 2 changer transitions 0/939 dead transitions. [2024-11-16 23:43:58,418 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 935 places, 939 transitions, 1947 flow [2024-11-16 23:43:58,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:58,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:58,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3037 transitions. [2024-11-16 23:43:58,421 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9604680581910183 [2024-11-16 23:43:58,421 INFO L175 Difference]: Start difference. First operand has 934 places, 940 transitions, 1919 flow. Second operand 3 states and 3037 transitions. [2024-11-16 23:43:58,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 935 places, 939 transitions, 1947 flow [2024-11-16 23:43:58,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 930 places, 939 transitions, 1917 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-16 23:43:58,429 INFO L231 Difference]: Finished difference. Result has 930 places, 939 transitions, 1891 flow [2024-11-16 23:43:58,429 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, 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} [2024-11-16 23:43:58,430 INFO L277 CegarLoopForPetriNet]: 994 programPoint places, -64 predicate places. [2024-11-16 23:43:58,430 INFO L471 AbstractCegarLoop]: Abstraction has has 930 places, 939 transitions, 1891 flow [2024-11-16 23:43:58,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 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) [2024-11-16 23:43:58,431 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:58,431 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] [2024-11-16 23:43:58,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-16 23:43:58,431 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-16 23:43:58,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:58,431 INFO L85 PathProgramCache]: Analyzing trace with hash -823996737, now seen corresponding path program 1 times [2024-11-16 23:43:58,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:58,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332695748] [2024-11-16 23:43:58,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:58,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:58,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:58,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:58,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332695748] [2024-11-16 23:43:58,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332695748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:58,484 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:58,484 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:58,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880270755] [2024-11-16 23:43:58,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:58,484 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:58,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:58,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:58,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:58,508 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 1007 out of 1054 [2024-11-16 23:43:58,510 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 930 places, 939 transitions, 1891 flow. Second operand has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 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) [2024-11-16 23:43:58,510 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:58,510 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1007 of 1054 [2024-11-16 23:43:58,510 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-16 23:43:58,731 INFO L124 PetriNetUnfolderBase]: 53/1633 cut-off events. [2024-11-16 23:43:58,731 INFO L125 PetriNetUnfolderBase]: For 12/24 co-relation queries the response was YES. [2024-11-16 23:43:58,750 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1697 conditions, 1633 events. 53/1633 cut-off events. For 12/24 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 6103 event pairs, 20 based on Foata normal form. 0/1427 useless extension candidates. Maximal degree in co-relation 1654. Up to 50 conditions per place. [2024-11-16 23:43:58,760 INFO L140 encePairwiseOnDemand]: 1051/1054 looper letters, 13 selfloop transitions, 2 changer transitions 0/938 dead transitions. [2024-11-16 23:43:58,760 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 931 places, 938 transitions, 1919 flow [2024-11-16 23:43:58,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 23:43:58,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-16 23:43:58,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3037 transitions. [2024-11-16 23:43:58,764 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9604680581910183 [2024-11-16 23:43:58,764 INFO L175 Difference]: Start difference. First operand has 930 places, 939 transitions, 1891 flow. Second operand 3 states and 3037 transitions. [2024-11-16 23:43:58,764 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 931 places, 938 transitions, 1919 flow [2024-11-16 23:43:58,769 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 929 places, 938 transitions, 1915 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-16 23:43:58,775 INFO L231 Difference]: Finished difference. Result has 929 places, 938 transitions, 1889 flow [2024-11-16 23:43:58,777 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1054, 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} [2024-11-16 23:43:58,777 INFO L277 CegarLoopForPetriNet]: 994 programPoint places, -65 predicate places. [2024-11-16 23:43:58,777 INFO L471 AbstractCegarLoop]: Abstraction has has 929 places, 938 transitions, 1889 flow [2024-11-16 23:43:58,778 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1008.3333333333334) internal successors, (3025), 3 states have internal predecessors, (3025), 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) [2024-11-16 23:43:58,778 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-16 23:43:58,778 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, 1, 1, 1, 1] [2024-11-16 23:43:58,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-16 23:43:58,779 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err24ASSERT_VIOLATIONDATA_RACE, thread1Err23ASSERT_VIOLATIONDATA_RACE, thread1Err22ASSERT_VIOLATIONDATA_RACE, thread1Err21ASSERT_VIOLATIONDATA_RACE (and 188 more)] === [2024-11-16 23:43:58,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 23:43:58,779 INFO L85 PathProgramCache]: Analyzing trace with hash -998363343, now seen corresponding path program 1 times [2024-11-16 23:43:58,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 23:43:58,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856329442] [2024-11-16 23:43:58,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 23:43:58,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 23:43:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 23:43:58,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 23:43:58,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 23:43:58,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856329442] [2024-11-16 23:43:58,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856329442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 23:43:58,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 23:43:58,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 23:43:58,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62586214] [2024-11-16 23:43:58,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 23:43:58,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 23:43:58,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 23:43:58,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 23:43:58,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 23:43:59,143 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 919 out of 1054 [2024-11-16 23:43:59,144 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 929 places, 938 transitions, 1889 flow. Second operand has 3 states, 3 states have (on average 921.0) internal successors, (2763), 3 states have internal predecessors, (2763), 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) [2024-11-16 23:43:59,148 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-16 23:43:59,148 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 919 of 1054 [2024-11-16 23:43:59,148 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand