./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/weaver/chl-poker-hand-symm.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 6f8a234fc2a7dd634bd03f872a0d7e8707283ecf0f996c6ed729f53ab07d6660 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:57:18,973 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:57:19,060 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:57:19,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:57:19,069 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:57:19,097 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:57:19,099 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:57:19,100 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:57:19,100 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:57:19,102 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:57:19,102 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:57:19,102 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:57:19,103 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:57:19,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:57:19,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:57:19,105 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:57:19,106 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:57:19,106 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:57:19,106 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:57:19,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:57:19,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:57:19,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:57:19,108 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:57:19,108 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:57:19,108 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:57:19,109 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:57:19,109 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:57:19,109 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:57:19,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:57:19,110 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:57:19,110 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:57:19,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:57:19,111 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:57:19,111 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:57:19,112 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:57:19,112 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:57:19,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:57:19,112 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:57:19,113 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:57:19,113 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:57:19,113 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:57:19,114 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f8a234fc2a7dd634bd03f872a0d7e8707283ecf0f996c6ed729f53ab07d6660 [2024-11-19 05:57:19,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:57:19,410 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:57:19,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:57:19,416 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:57:19,416 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:57:19,417 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c [2024-11-19 05:57:21,051 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:57:21,296 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:57:21,297 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/weaver/chl-poker-hand-symm.wvr.c [2024-11-19 05:57:21,312 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b2965989/53068ef8405b44558ffb0b5ebf3e4274/FLAG1a97c65bd [2024-11-19 05:57:21,328 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b2965989/53068ef8405b44558ffb0b5ebf3e4274 [2024-11-19 05:57:21,331 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:57:21,333 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:57:21,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:57:21,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:57:21,340 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:57:21,341 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:57:21" (1/1) ... [2024-11-19 05:57:21,342 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cfa2e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:21, skipping insertion in model container [2024-11-19 05:57:21,342 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:57:21" (1/1) ... [2024-11-19 05:57:21,375 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:57:21,902 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:57:21,911 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:57:22,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:57:22,068 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:57:22,069 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:22 WrapperNode [2024-11-19 05:57:22,069 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:57:22,070 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:57:22,070 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:57:22,071 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:57:22,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:22" (1/1) ... [2024-11-19 05:57:22,118 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:22" (1/1) ... [2024-11-19 05:57:22,266 INFO L138 Inliner]: procedures = 24, calls = 298, calls flagged for inlining = 70, calls inlined = 98, statements flattened = 3269 [2024-11-19 05:57:22,267 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:57:22,268 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:57:22,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:57:22,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:57:22,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:22" (1/1) ... [2024-11-19 05:57:22,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:22" (1/1) ... [2024-11-19 05:57:22,308 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:22" (1/1) ... [2024-11-19 05:57:22,308 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:22" (1/1) ... [2024-11-19 05:57:22,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:22" (1/1) ... [2024-11-19 05:57:22,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:22" (1/1) ... [2024-11-19 05:57:22,471 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:22" (1/1) ... [2024-11-19 05:57:22,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:22" (1/1) ... [2024-11-19 05:57:22,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:57:22,517 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:57:22,518 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:57:22,518 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:57:22,519 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:22" (1/1) ... [2024-11-19 05:57:22,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:57:22,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:57:22,555 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 05:57:22,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 05:57:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:57:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-19 05:57:22,611 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-19 05:57:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-19 05:57:22,611 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-19 05:57:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:57:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 05:57:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-19 05:57:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-19 05:57:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 05:57:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:57:22,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:57:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 05:57:22,616 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:57:22,862 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:57:22,864 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:57:26,485 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:57:26,486 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:57:37,847 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:57:37,848 INFO L316 CfgBuilder]: Removed 12 assume(true) statements. [2024-11-19 05:57:37,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:57:37 BoogieIcfgContainer [2024-11-19 05:57:37,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:57:37,851 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:57:37,851 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:57:37,854 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:57:37,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:57:21" (1/3) ... [2024-11-19 05:57:37,855 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b39ac29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:57:37, skipping insertion in model container [2024-11-19 05:57:37,855 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:57:22" (2/3) ... [2024-11-19 05:57:37,856 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b39ac29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:57:37, skipping insertion in model container [2024-11-19 05:57:37,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:57:37" (3/3) ... [2024-11-19 05:57:37,857 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-poker-hand-symm.wvr.c [2024-11-19 05:57:37,873 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:57:37,874 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 494 error locations. [2024-11-19 05:57:37,874 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:57:39,745 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-19 05:57:39,812 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1068 places, 1116 transitions, 2246 flow [2024-11-19 05:57:40,570 INFO L124 PetriNetUnfolderBase]: 55/1114 cut-off events. [2024-11-19 05:57:40,570 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-19 05:57:40,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1123 conditions, 1114 events. 55/1114 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 91. Compared 5190 event pairs, 0 based on Foata normal form. 0/565 useless extension candidates. Maximal degree in co-relation 772. Up to 7 conditions per place. [2024-11-19 05:57:40,605 INFO L82 GeneralOperation]: Start removeDead. Operand has 1068 places, 1116 transitions, 2246 flow [2024-11-19 05:57:40,657 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1046 places, 1092 transitions, 2196 flow [2024-11-19 05:57:40,670 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:57:40,677 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;@38d01c6a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:57:40,678 INFO L334 AbstractCegarLoop]: Starting to check reachability of 970 error locations. [2024-11-19 05:57:40,689 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:57:40,690 INFO L124 PetriNetUnfolderBase]: 3/71 cut-off events. [2024-11-19 05:57:40,690 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:57:40,690 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:40,691 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] [2024-11-19 05:57:40,692 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-19 05:57:40,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:40,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1737294229, now seen corresponding path program 1 times [2024-11-19 05:57:40,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:40,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604538754] [2024-11-19 05:57:40,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:40,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:41,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:41,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:41,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:41,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604538754] [2024-11-19 05:57:41,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604538754] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:41,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:41,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 05:57:41,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638913041] [2024-11-19 05:57:41,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:41,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 05:57:41,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:42,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 05:57:42,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-19 05:57:42,610 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 474 out of 1116 [2024-11-19 05:57:42,617 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 1046 places, 1092 transitions, 2196 flow. Second operand has 6 states, 6 states have (on average 475.5) internal successors, (2853), 6 states have internal predecessors, (2853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:57:42,618 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:42,618 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 474 of 1116 [2024-11-19 05:57:42,619 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:47,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 05:57:48,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 05:57:52,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 05:57:55,883 INFO L124 PetriNetUnfolderBase]: 104/806 cut-off events. [2024-11-19 05:57:55,883 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES. [2024-11-19 05:57:55,886 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1049 conditions, 806 events. 104/806 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1943 event pairs, 15 based on Foata normal form. 44/747 useless extension candidates. Maximal degree in co-relation 617. Up to 185 conditions per place. [2024-11-19 05:57:55,891 INFO L140 encePairwiseOnDemand]: 566/1116 looper letters, 90 selfloop transitions, 40 changer transitions 16/582 dead transitions. [2024-11-19 05:57:55,892 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 569 places, 582 transitions, 1436 flow [2024-11-19 05:57:55,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 05:57:55,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-19 05:57:55,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 3484 transitions. [2024-11-19 05:57:55,927 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5203106332138591 [2024-11-19 05:57:55,930 INFO L175 Difference]: Start difference. First operand has 1046 places, 1092 transitions, 2196 flow. Second operand 6 states and 3484 transitions. [2024-11-19 05:57:55,931 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 569 places, 582 transitions, 1436 flow [2024-11-19 05:57:55,940 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 565 places, 582 transitions, 1428 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-19 05:57:55,952 INFO L231 Difference]: Finished difference. Result has 565 places, 566 transitions, 1216 flow [2024-11-19 05:57:55,958 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1168, PETRI_DIFFERENCE_MINUEND_PLACES=560, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=582, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=40, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=542, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1216, PETRI_PLACES=565, PETRI_TRANSITIONS=566} [2024-11-19 05:57:55,964 INFO L277 CegarLoopForPetriNet]: 1046 programPoint places, -481 predicate places. [2024-11-19 05:57:55,965 INFO L471 AbstractCegarLoop]: Abstraction has has 565 places, 566 transitions, 1216 flow [2024-11-19 05:57:55,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 475.5) internal successors, (2853), 6 states have internal predecessors, (2853), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:57:55,967 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:57:55,967 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:57:55,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:57:55,968 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-19 05:57:55,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:57:55,968 INFO L85 PathProgramCache]: Analyzing trace with hash -1472892581, now seen corresponding path program 1 times [2024-11-19 05:57:55,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:57:55,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781357085] [2024-11-19 05:57:55,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:57:55,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:57:56,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:57:56,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:57:56,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:57:56,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781357085] [2024-11-19 05:57:56,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781357085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:57:56,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:57:56,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:57:56,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305964248] [2024-11-19 05:57:56,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:57:56,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:57:56,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:57:56,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:57:56,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:57:56,087 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-19 05:57:56,089 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 565 places, 566 transitions, 1216 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:57:56,090 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:57:56,090 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-19 05:57:56,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:57:59,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 05:58:04,205 INFO L124 PetriNetUnfolderBase]: 104/789 cut-off events. [2024-11-19 05:58:04,205 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-19 05:58:04,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 962 conditions, 789 events. 104/789 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1919 event pairs, 15 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 839. Up to 124 conditions per place. [2024-11-19 05:58:04,209 INFO L140 encePairwiseOnDemand]: 1113/1116 looper letters, 29 selfloop transitions, 2 changer transitions 0/565 dead transitions. [2024-11-19 05:58:04,209 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 550 places, 565 transitions, 1276 flow [2024-11-19 05:58:04,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:04,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:04,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1769 transitions. [2024-11-19 05:58:04,220 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5283751493428913 [2024-11-19 05:58:04,220 INFO L175 Difference]: Start difference. First operand has 565 places, 566 transitions, 1216 flow. Second operand 3 states and 1769 transitions. [2024-11-19 05:58:04,220 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 550 places, 565 transitions, 1276 flow [2024-11-19 05:58:04,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 545 places, 565 transitions, 1196 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-19 05:58:04,230 INFO L231 Difference]: Finished difference. Result has 545 places, 565 transitions, 1138 flow [2024-11-19 05:58:04,235 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1134, PETRI_DIFFERENCE_MINUEND_PLACES=543, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=565, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=563, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1138, PETRI_PLACES=545, PETRI_TRANSITIONS=565} [2024-11-19 05:58:04,236 INFO L277 CegarLoopForPetriNet]: 1046 programPoint places, -501 predicate places. [2024-11-19 05:58:04,236 INFO L471 AbstractCegarLoop]: Abstraction has has 545 places, 565 transitions, 1138 flow [2024-11-19 05:58:04,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:58:04,238 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:04,238 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] [2024-11-19 05:58:04,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:58:04,239 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-19 05:58:04,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:04,240 INFO L85 PathProgramCache]: Analyzing trace with hash -156120571, now seen corresponding path program 1 times [2024-11-19 05:58:04,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:04,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865305092] [2024-11-19 05:58:04,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:04,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:04,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:04,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:04,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:04,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865305092] [2024-11-19 05:58:04,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865305092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:04,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:04,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:04,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646845769] [2024-11-19 05:58:04,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:04,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:04,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:04,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:04,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:04,358 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-19 05:58:04,361 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 545 places, 565 transitions, 1138 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:58:04,361 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:04,361 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-19 05:58:04,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:09,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 05:58:12,095 INFO L124 PetriNetUnfolderBase]: 104/788 cut-off events. [2024-11-19 05:58:12,095 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-19 05:58:12,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 923 conditions, 788 events. 104/788 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1941 event pairs, 15 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 842. Up to 124 conditions per place. [2024-11-19 05:58:12,101 INFO L140 encePairwiseOnDemand]: 1113/1116 looper letters, 29 selfloop transitions, 2 changer transitions 0/564 dead transitions. [2024-11-19 05:58:12,101 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 546 places, 564 transitions, 1198 flow [2024-11-19 05:58:12,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:12,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:12,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1769 transitions. [2024-11-19 05:58:12,111 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5283751493428913 [2024-11-19 05:58:12,111 INFO L175 Difference]: Start difference. First operand has 545 places, 565 transitions, 1138 flow. Second operand 3 states and 1769 transitions. [2024-11-19 05:58:12,111 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 546 places, 564 transitions, 1198 flow [2024-11-19 05:58:12,115 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 544 places, 564 transitions, 1194 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:58:12,121 INFO L231 Difference]: Finished difference. Result has 544 places, 564 transitions, 1136 flow [2024-11-19 05:58:12,122 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1132, PETRI_DIFFERENCE_MINUEND_PLACES=542, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=564, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=562, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1136, PETRI_PLACES=544, PETRI_TRANSITIONS=564} [2024-11-19 05:58:12,123 INFO L277 CegarLoopForPetriNet]: 1046 programPoint places, -502 predicate places. [2024-11-19 05:58:12,123 INFO L471 AbstractCegarLoop]: Abstraction has has 544 places, 564 transitions, 1136 flow [2024-11-19 05:58:12,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:58:12,125 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:12,125 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] [2024-11-19 05:58:12,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 05:58:12,125 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-19 05:58:12,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:12,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1548346605, now seen corresponding path program 1 times [2024-11-19 05:58:12,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:12,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789323008] [2024-11-19 05:58:12,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:12,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:12,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:12,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:12,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789323008] [2024-11-19 05:58:12,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789323008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:12,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:12,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:12,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460549741] [2024-11-19 05:58:12,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:12,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:12,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:12,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:12,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:12,253 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-19 05:58:12,255 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 544 places, 564 transitions, 1136 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:58:12,256 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:12,256 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-19 05:58:12,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:13,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 05:58:16,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 05:58:19,723 INFO L124 PetriNetUnfolderBase]: 104/787 cut-off events. [2024-11-19 05:58:19,724 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-19 05:58:19,725 INFO L83 FinitePrefix]: Finished finitePrefix Result has 922 conditions, 787 events. 104/787 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1937 event pairs, 15 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 794. Up to 124 conditions per place. [2024-11-19 05:58:19,727 INFO L140 encePairwiseOnDemand]: 1113/1116 looper letters, 29 selfloop transitions, 2 changer transitions 0/563 dead transitions. [2024-11-19 05:58:19,727 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 545 places, 563 transitions, 1196 flow [2024-11-19 05:58:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:19,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:19,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1769 transitions. [2024-11-19 05:58:19,735 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5283751493428913 [2024-11-19 05:58:19,735 INFO L175 Difference]: Start difference. First operand has 544 places, 564 transitions, 1136 flow. Second operand 3 states and 1769 transitions. [2024-11-19 05:58:19,736 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 545 places, 563 transitions, 1196 flow [2024-11-19 05:58:19,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 543 places, 563 transitions, 1192 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:58:19,745 INFO L231 Difference]: Finished difference. Result has 543 places, 563 transitions, 1134 flow [2024-11-19 05:58:19,746 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1130, PETRI_DIFFERENCE_MINUEND_PLACES=541, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=563, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=561, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1134, PETRI_PLACES=543, PETRI_TRANSITIONS=563} [2024-11-19 05:58:19,747 INFO L277 CegarLoopForPetriNet]: 1046 programPoint places, -503 predicate places. [2024-11-19 05:58:19,747 INFO L471 AbstractCegarLoop]: Abstraction has has 543 places, 563 transitions, 1134 flow [2024-11-19 05:58:19,748 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:58:19,748 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:19,749 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] [2024-11-19 05:58:19,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 05:58:19,749 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-19 05:58:19,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:19,750 INFO L85 PathProgramCache]: Analyzing trace with hash 2134823942, now seen corresponding path program 1 times [2024-11-19 05:58:19,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:19,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100465153] [2024-11-19 05:58:19,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:19,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:19,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:19,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:19,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:19,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100465153] [2024-11-19 05:58:19,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100465153] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:19,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:19,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:19,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452034238] [2024-11-19 05:58:19,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:19,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:19,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:19,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:19,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:19,881 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-19 05:58:19,883 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 543 places, 563 transitions, 1134 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:58:19,883 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:19,883 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-19 05:58:19,884 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:25,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-19 05:58:28,043 INFO L124 PetriNetUnfolderBase]: 104/786 cut-off events. [2024-11-19 05:58:28,044 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-19 05:58:28,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 921 conditions, 786 events. 104/786 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1936 event pairs, 15 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 746. Up to 124 conditions per place. [2024-11-19 05:58:28,049 INFO L140 encePairwiseOnDemand]: 1113/1116 looper letters, 29 selfloop transitions, 2 changer transitions 0/562 dead transitions. [2024-11-19 05:58:28,049 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 544 places, 562 transitions, 1194 flow [2024-11-19 05:58:28,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:28,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:28,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1769 transitions. [2024-11-19 05:58:28,059 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5283751493428913 [2024-11-19 05:58:28,060 INFO L175 Difference]: Start difference. First operand has 543 places, 563 transitions, 1134 flow. Second operand 3 states and 1769 transitions. [2024-11-19 05:58:28,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 544 places, 562 transitions, 1194 flow [2024-11-19 05:58:28,064 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 542 places, 562 transitions, 1190 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:58:28,071 INFO L231 Difference]: Finished difference. Result has 542 places, 562 transitions, 1132 flow [2024-11-19 05:58:28,072 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1128, PETRI_DIFFERENCE_MINUEND_PLACES=540, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=562, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=560, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1132, PETRI_PLACES=542, PETRI_TRANSITIONS=562} [2024-11-19 05:58:28,076 INFO L277 CegarLoopForPetriNet]: 1046 programPoint places, -504 predicate places. [2024-11-19 05:58:28,076 INFO L471 AbstractCegarLoop]: Abstraction has has 542 places, 562 transitions, 1132 flow [2024-11-19 05:58:28,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:58:28,078 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:28,079 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 05:58:28,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 05:58:28,081 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-19 05:58:28,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:28,081 INFO L85 PathProgramCache]: Analyzing trace with hash 2032243358, now seen corresponding path program 1 times [2024-11-19 05:58:28,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:28,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842676303] [2024-11-19 05:58:28,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:28,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:28,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:28,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:28,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842676303] [2024-11-19 05:58:28,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842676303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:28,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:28,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:28,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613537713] [2024-11-19 05:58:28,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:28,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:28,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:28,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:28,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:28,247 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-19 05:58:28,250 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 542 places, 562 transitions, 1132 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:58:28,250 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:28,251 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-19 05:58:28,251 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:35,275 INFO L124 PetriNetUnfolderBase]: 104/785 cut-off events. [2024-11-19 05:58:35,275 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-19 05:58:35,277 INFO L83 FinitePrefix]: Finished finitePrefix Result has 920 conditions, 785 events. 104/785 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1934 event pairs, 15 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 698. Up to 124 conditions per place. [2024-11-19 05:58:35,280 INFO L140 encePairwiseOnDemand]: 1113/1116 looper letters, 29 selfloop transitions, 2 changer transitions 0/561 dead transitions. [2024-11-19 05:58:35,280 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 543 places, 561 transitions, 1192 flow [2024-11-19 05:58:35,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:35,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:35,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1769 transitions. [2024-11-19 05:58:35,292 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5283751493428913 [2024-11-19 05:58:35,292 INFO L175 Difference]: Start difference. First operand has 542 places, 562 transitions, 1132 flow. Second operand 3 states and 1769 transitions. [2024-11-19 05:58:35,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 543 places, 561 transitions, 1192 flow [2024-11-19 05:58:35,298 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 541 places, 561 transitions, 1188 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:58:35,305 INFO L231 Difference]: Finished difference. Result has 541 places, 561 transitions, 1130 flow [2024-11-19 05:58:35,306 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1126, PETRI_DIFFERENCE_MINUEND_PLACES=539, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=561, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=559, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1130, PETRI_PLACES=541, PETRI_TRANSITIONS=561} [2024-11-19 05:58:35,308 INFO L277 CegarLoopForPetriNet]: 1046 programPoint places, -505 predicate places. [2024-11-19 05:58:35,309 INFO L471 AbstractCegarLoop]: Abstraction has has 541 places, 561 transitions, 1130 flow [2024-11-19 05:58:35,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:58:35,311 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:35,311 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] [2024-11-19 05:58:35,312 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 05:58:35,312 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-19 05:58:35,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:35,312 INFO L85 PathProgramCache]: Analyzing trace with hash -128575960, now seen corresponding path program 1 times [2024-11-19 05:58:35,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:35,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472973556] [2024-11-19 05:58:35,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:35,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:35,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:35,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:35,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472973556] [2024-11-19 05:58:35,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472973556] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:35,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:35,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:35,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795789947] [2024-11-19 05:58:35,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:35,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:35,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:35,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:35,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:35,488 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-19 05:58:35,491 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 541 places, 561 transitions, 1130 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:58:35,491 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:35,491 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-19 05:58:35,491 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:58:42,892 INFO L124 PetriNetUnfolderBase]: 104/784 cut-off events. [2024-11-19 05:58:42,892 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-19 05:58:42,894 INFO L83 FinitePrefix]: Finished finitePrefix Result has 919 conditions, 784 events. 104/784 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1931 event pairs, 15 based on Foata normal form. 0/703 useless extension candidates. Maximal degree in co-relation 650. Up to 124 conditions per place. [2024-11-19 05:58:42,897 INFO L140 encePairwiseOnDemand]: 1113/1116 looper letters, 29 selfloop transitions, 2 changer transitions 0/560 dead transitions. [2024-11-19 05:58:42,898 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 542 places, 560 transitions, 1190 flow [2024-11-19 05:58:42,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:58:42,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:58:42,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1769 transitions. [2024-11-19 05:58:42,907 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5283751493428913 [2024-11-19 05:58:42,907 INFO L175 Difference]: Start difference. First operand has 541 places, 561 transitions, 1130 flow. Second operand 3 states and 1769 transitions. [2024-11-19 05:58:42,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 542 places, 560 transitions, 1190 flow [2024-11-19 05:58:42,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 540 places, 560 transitions, 1186 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-19 05:58:42,921 INFO L231 Difference]: Finished difference. Result has 540 places, 560 transitions, 1128 flow [2024-11-19 05:58:42,922 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1116, PETRI_DIFFERENCE_MINUEND_FLOW=1124, PETRI_DIFFERENCE_MINUEND_PLACES=538, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=560, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=558, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1128, PETRI_PLACES=540, PETRI_TRANSITIONS=560} [2024-11-19 05:58:42,923 INFO L277 CegarLoopForPetriNet]: 1046 programPoint places, -506 predicate places. [2024-11-19 05:58:42,923 INFO L471 AbstractCegarLoop]: Abstraction has has 540 places, 560 transitions, 1128 flow [2024-11-19 05:58:42,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:58:42,925 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:58:42,925 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] [2024-11-19 05:58:42,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 05:58:42,925 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 966 more)] === [2024-11-19 05:58:42,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:58:42,926 INFO L85 PathProgramCache]: Analyzing trace with hash -1743684285, now seen corresponding path program 1 times [2024-11-19 05:58:42,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:58:42,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626414030] [2024-11-19 05:58:42,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:58:42,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:58:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:58:43,084 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:58:43,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:58:43,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626414030] [2024-11-19 05:58:43,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626414030] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:58:43,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:58:43,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:58:43,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32383058] [2024-11-19 05:58:43,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:58:43,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:58:43,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:58:43,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:58:43,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:58:43,098 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 579 out of 1116 [2024-11-19 05:58:43,100 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 540 places, 560 transitions, 1128 flow. Second operand has 3 states, 3 states have (on average 580.3333333333334) internal successors, (1741), 3 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 05:58:43,100 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:58:43,100 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 579 of 1116 [2024-11-19 05:58:43,101 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand