./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix008_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix008_tso.oepc.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 5babed9169ff1f82a919f6310b42a42108866edd5cf3c99389faf03347963192 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 16:52:54,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 16:52:54,402 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-11 16:52:54,408 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 16:52:54,410 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 16:52:54,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 16:52:54,446 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 16:52:54,446 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 16:52:54,447 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 16:52:54,450 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 16:52:54,451 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 16:52:54,451 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 16:52:54,452 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 16:52:54,452 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 16:52:54,452 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 16:52:54,452 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 16:52:54,453 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 16:52:54,453 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 16:52:54,453 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 16:52:54,453 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 16:52:54,453 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 16:52:54,455 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 16:52:54,456 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-11 16:52:54,456 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 16:52:54,456 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 16:52:54,456 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 16:52:54,457 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 16:52:54,457 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 16:52:54,457 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 16:52:54,457 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 16:52:54,457 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 16:52:54,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 16:52:54,458 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 16:52:54,458 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 16:52:54,459 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 16:52:54,460 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 16:52:54,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 16:52:54,460 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 16:52:54,461 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 16:52:54,461 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 16:52:54,461 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 16:52:54,462 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5babed9169ff1f82a919f6310b42a42108866edd5cf3c99389faf03347963192 [2024-10-11 16:52:54,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 16:52:54,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 16:52:54,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 16:52:54,769 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 16:52:54,770 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 16:52:54,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix008_tso.oepc.i [2024-10-11 16:52:56,180 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 16:52:56,472 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 16:52:56,473 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix008_tso.oepc.i [2024-10-11 16:52:56,496 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b2681636f/5254841e451445458229cfece58564e9/FLAG049126a89 [2024-10-11 16:52:56,511 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/b2681636f/5254841e451445458229cfece58564e9 [2024-10-11 16:52:56,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 16:52:56,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 16:52:56,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 16:52:56,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 16:52:56,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 16:52:56,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:52:56" (1/1) ... [2024-10-11 16:52:56,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eb3cae5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:52:56, skipping insertion in model container [2024-10-11 16:52:56,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 04:52:56" (1/1) ... [2024-10-11 16:52:56,575 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 16:52:57,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 16:52:57,107 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 16:52:57,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 16:52:57,246 INFO L204 MainTranslator]: Completed translation [2024-10-11 16:52:57,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:52:57 WrapperNode [2024-10-11 16:52:57,247 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 16:52:57,249 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 16:52:57,249 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 16:52:57,249 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 16:52:57,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:52:57" (1/1) ... [2024-10-11 16:52:57,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:52:57" (1/1) ... [2024-10-11 16:52:57,446 INFO L138 Inliner]: procedures = 176, calls = 57, calls flagged for inlining = 7, calls inlined = 9, statements flattened = 2855 [2024-10-11 16:52:57,447 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 16:52:57,447 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 16:52:57,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 16:52:57,448 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 16:52:57,465 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:52:57" (1/1) ... [2024-10-11 16:52:57,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:52:57" (1/1) ... [2024-10-11 16:52:57,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:52:57" (1/1) ... [2024-10-11 16:52:57,487 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:52:57" (1/1) ... [2024-10-11 16:52:57,581 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:52:57" (1/1) ... [2024-10-11 16:52:57,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:52:57" (1/1) ... [2024-10-11 16:52:57,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:52:57" (1/1) ... [2024-10-11 16:52:57,633 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:52:57" (1/1) ... [2024-10-11 16:52:57,653 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 16:52:57,654 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 16:52:57,655 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 16:52:57,655 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 16:52:57,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:52:57" (1/1) ... [2024-10-11 16:52:57,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 16:52:57,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 16:52:57,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 16:52:57,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 16:52:57,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-11 16:52:57,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 16:52:57,740 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-11 16:52:57,740 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-11 16:52:57,740 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-11 16:52:57,740 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-11 16:52:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-11 16:52:57,741 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-11 16:52:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-10-11 16:52:57,741 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-10-11 16:52:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-11 16:52:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-11 16:52:57,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 16:52:57,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 16:52:57,747 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-11 16:52:57,992 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 16:52:57,994 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 16:53:00,585 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-11 16:53:00,585 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 16:53:12,813 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 16:53:12,813 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-11 16:53:12,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:53:12 BoogieIcfgContainer [2024-10-11 16:53:12,814 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 16:53:12,817 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 16:53:12,817 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 16:53:12,821 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 16:53:12,821 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 04:52:56" (1/3) ... [2024-10-11 16:53:12,822 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4419bdc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:53:12, skipping insertion in model container [2024-10-11 16:53:12,822 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 04:52:57" (2/3) ... [2024-10-11 16:53:12,823 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4419bdc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 04:53:12, skipping insertion in model container [2024-10-11 16:53:12,823 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 04:53:12" (3/3) ... [2024-10-11 16:53:12,824 INFO L112 eAbstractionObserver]: Analyzing ICFG mix008_tso.oepc.i [2024-10-11 16:53:12,846 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 16:53:12,847 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 613 error locations. [2024-10-11 16:53:12,848 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-11 16:53:13,566 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-11 16:53:13,625 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 774 places, 764 transitions, 1544 flow [2024-10-11 16:53:13,979 INFO L124 PetriNetUnfolderBase]: 3/760 cut-off events. [2024-10-11 16:53:13,979 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 16:53:14,008 INFO L83 FinitePrefix]: Finished finitePrefix Result has 773 conditions, 760 events. 3/760 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 102. Compared 5555 event pairs, 0 based on Foata normal form. 0/144 useless extension candidates. Maximal degree in co-relation 704. Up to 2 conditions per place. [2024-10-11 16:53:14,009 INFO L82 GeneralOperation]: Start removeDead. Operand has 774 places, 764 transitions, 1544 flow [2024-10-11 16:53:14,059 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 770 places, 760 transitions, 1532 flow [2024-10-11 16:53:14,066 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 16:53:14,072 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;@2552c5a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 16:53:14,073 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1069 error locations. [2024-10-11 16:53:14,079 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-11 16:53:14,080 INFO L124 PetriNetUnfolderBase]: 0/64 cut-off events. [2024-10-11 16:53:14,080 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 16:53:14,080 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:53:14,081 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] [2024-10-11 16:53:14,081 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 1065 more)] === [2024-10-11 16:53:14,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:53:14,086 INFO L85 PathProgramCache]: Analyzing trace with hash -768224152, now seen corresponding path program 1 times [2024-10-11 16:53:14,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:53:14,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442022272] [2024-10-11 16:53:14,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:53:14,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:53:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:53:14,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:53:14,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:53:14,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442022272] [2024-10-11 16:53:14,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442022272] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:53:14,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:53:14,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-11 16:53:14,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068645322] [2024-10-11 16:53:14,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:53:14,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 16:53:14,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:53:14,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 16:53:14,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 16:53:14,457 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 764 [2024-10-11 16:53:14,462 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 770 places, 760 transitions, 1532 flow. Second operand has 2 states, 2 states have (on average 126.0) internal successors, (252), 2 states have internal predecessors, (252), 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) [2024-10-11 16:53:14,462 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:53:14,463 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 764 [2024-10-11 16:53:14,464 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:53:38,205 INFO L124 PetriNetUnfolderBase]: 8865/24507 cut-off events. [2024-10-11 16:53:38,205 INFO L125 PetriNetUnfolderBase]: For 145/145 co-relation queries the response was YES. [2024-10-11 16:53:38,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36692 conditions, 24507 events. 8865/24507 cut-off events. For 145/145 co-relation queries the response was YES. Maximal size of possible extension queue 1007. Compared 299329 event pairs, 8865 based on Foata normal form. 2106/24995 useless extension candidates. Maximal degree in co-relation 36621. Up to 11890 conditions per place. [2024-10-11 16:53:38,424 INFO L140 encePairwiseOnDemand]: 150/764 looper letters, 24 selfloop transitions, 0 changer transitions 0/144 dead transitions. [2024-10-11 16:53:38,424 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 158 places, 144 transitions, 348 flow [2024-10-11 16:53:38,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 16:53:38,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-11 16:53:38,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 888 transitions. [2024-10-11 16:53:38,447 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.581151832460733 [2024-10-11 16:53:38,452 INFO L175 Difference]: Start difference. First operand has 770 places, 760 transitions, 1532 flow. Second operand 2 states and 888 transitions. [2024-10-11 16:53:38,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 158 places, 144 transitions, 348 flow [2024-10-11 16:53:38,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 144 transitions, 344 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-11 16:53:38,461 INFO L231 Difference]: Finished difference. Result has 154 places, 144 transitions, 296 flow [2024-10-11 16:53:38,463 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=764, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=296, PETRI_PLACES=154, PETRI_TRANSITIONS=144} [2024-10-11 16:53:38,470 INFO L277 CegarLoopForPetriNet]: 770 programPoint places, -616 predicate places. [2024-10-11 16:53:38,474 INFO L471 AbstractCegarLoop]: Abstraction has has 154 places, 144 transitions, 296 flow [2024-10-11 16:53:38,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 126.0) internal successors, (252), 2 states have internal predecessors, (252), 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) [2024-10-11 16:53:38,479 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:53:38,480 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] [2024-10-11 16:53:38,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 16:53:38,480 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 1065 more)] === [2024-10-11 16:53:38,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:53:38,486 INFO L85 PathProgramCache]: Analyzing trace with hash 470642036, now seen corresponding path program 1 times [2024-10-11 16:53:38,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:53:38,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871733819] [2024-10-11 16:53:38,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:53:38,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:53:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:53:38,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:53:38,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:53:38,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871733819] [2024-10-11 16:53:38,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871733819] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:53:38,745 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:53:38,745 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 16:53:38,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014253597] [2024-10-11 16:53:38,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:53:38,746 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 16:53:38,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:53:38,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 16:53:38,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:53:38,753 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 764 [2024-10-11 16:53:38,754 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 144 transitions, 296 flow. Second operand has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 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) [2024-10-11 16:53:38,755 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:53:38,755 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 764 [2024-10-11 16:53:38,755 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-11 16:54:05,815 INFO L124 PetriNetUnfolderBase]: 13497/35318 cut-off events. [2024-10-11 16:54:05,815 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-11 16:54:05,943 INFO L83 FinitePrefix]: Finished finitePrefix Result has 53572 conditions, 35318 events. 13497/35318 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 997. Compared 421869 event pairs, 4233 based on Foata normal form. 0/33112 useless extension candidates. Maximal degree in co-relation 53569. Up to 12144 conditions per place. [2024-10-11 16:54:06,090 INFO L140 encePairwiseOnDemand]: 762/764 looper letters, 42 selfloop transitions, 1 changer transitions 0/160 dead transitions. [2024-10-11 16:54:06,090 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 160 transitions, 414 flow [2024-10-11 16:54:06,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 16:54:06,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-11 16:54:06,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 410 transitions. [2024-10-11 16:54:06,094 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.17888307155322863 [2024-10-11 16:54:06,094 INFO L175 Difference]: Start difference. First operand has 154 places, 144 transitions, 296 flow. Second operand 3 states and 410 transitions. [2024-10-11 16:54:06,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 160 transitions, 414 flow [2024-10-11 16:54:06,095 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 160 transitions, 414 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-11 16:54:06,098 INFO L231 Difference]: Finished difference. Result has 155 places, 143 transitions, 296 flow [2024-10-11 16:54:06,099 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=764, PETRI_DIFFERENCE_MINUEND_FLOW=294, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=296, PETRI_PLACES=155, PETRI_TRANSITIONS=143} [2024-10-11 16:54:06,103 INFO L277 CegarLoopForPetriNet]: 770 programPoint places, -615 predicate places. [2024-10-11 16:54:06,103 INFO L471 AbstractCegarLoop]: Abstraction has has 155 places, 143 transitions, 296 flow [2024-10-11 16:54:06,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 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) [2024-10-11 16:54:06,104 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-11 16:54:06,104 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] [2024-10-11 16:54:06,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 16:54:06,104 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr160ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 1065 more)] === [2024-10-11 16:54:06,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 16:54:06,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1029539691, now seen corresponding path program 1 times [2024-10-11 16:54:06,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 16:54:06,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102897924] [2024-10-11 16:54:06,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 16:54:06,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 16:54:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 16:54:06,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 16:54:06,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 16:54:06,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102897924] [2024-10-11 16:54:06,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102897924] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 16:54:06,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 16:54:06,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 16:54:06,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390301295] [2024-10-11 16:54:06,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 16:54:06,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 16:54:06,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 16:54:06,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 16:54:06,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 16:54:06,766 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 764 [2024-10-11 16:54:06,767 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 143 transitions, 296 flow. Second operand has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 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) [2024-10-11 16:54:06,771 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-11 16:54:06,771 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 764 [2024-10-11 16:54:06,771 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand