./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/safe016_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8be7027f 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/pthread-wmm/safe016_rmo.opt.i -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 e946e8dea30db7efb52f6f71a24f03cd895152f9df0eae9d8d1291d135f806ee --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 12:21:21,155 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 12:21:21,259 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-12 12:21:21,268 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 12:21:21,273 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 12:21:21,313 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 12:21:21,319 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 12:21:21,319 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 12:21:21,319 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 12:21:21,320 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 12:21:21,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 12:21:21,320 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 12:21:21,321 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 12:21:21,322 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 12:21:21,326 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 12:21:21,326 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 12:21:21,327 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 12:21:21,327 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 12:21:21,327 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 12:21:21,327 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 12:21:21,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 12:21:21,331 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 12:21:21,331 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-12 12:21:21,331 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 12:21:21,335 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 12:21:21,335 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 12:21:21,336 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 12:21:21,336 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 12:21:21,336 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 12:21:21,336 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 12:21:21,336 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 12:21:21,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:21:21,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 12:21:21,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 12:21:21,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 12:21:21,337 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 12:21:21,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 12:21:21,338 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 12:21:21,340 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 12:21:21,344 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 12:21:21,344 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 12:21:21,345 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e946e8dea30db7efb52f6f71a24f03cd895152f9df0eae9d8d1291d135f806ee [2024-11-12 12:21:21,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 12:21:21,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 12:21:21,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 12:21:21,803 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 12:21:21,803 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 12:21:21,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe016_rmo.opt.i [2024-11-12 12:21:23,291 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 12:21:23,577 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 12:21:23,578 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe016_rmo.opt.i [2024-11-12 12:21:23,595 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fa97c309/792cea89afed4b979197a093a775742e/FLAG2710bbe60 [2024-11-12 12:21:23,611 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fa97c309/792cea89afed4b979197a093a775742e [2024-11-12 12:21:23,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 12:21:23,614 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 12:21:23,616 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 12:21:23,616 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 12:21:23,622 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 12:21:23,623 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:21:23" (1/1) ... [2024-11-12 12:21:23,624 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2652b8dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:23, skipping insertion in model container [2024-11-12 12:21:23,625 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:21:23" (1/1) ... [2024-11-12 12:21:23,668 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 12:21:24,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:21:24,079 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 12:21:24,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 12:21:24,180 INFO L204 MainTranslator]: Completed translation [2024-11-12 12:21:24,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:24 WrapperNode [2024-11-12 12:21:24,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 12:21:24,181 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 12:21:24,181 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 12:21:24,182 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 12:21:24,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:24" (1/1) ... [2024-11-12 12:21:24,207 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:24" (1/1) ... [2024-11-12 12:21:24,245 INFO L138 Inliner]: procedures = 176, calls = 74, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 797 [2024-11-12 12:21:24,245 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 12:21:24,246 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 12:21:24,246 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 12:21:24,246 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 12:21:24,257 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:24" (1/1) ... [2024-11-12 12:21:24,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:24" (1/1) ... [2024-11-12 12:21:24,267 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:24" (1/1) ... [2024-11-12 12:21:24,268 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:24" (1/1) ... [2024-11-12 12:21:24,300 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:24" (1/1) ... [2024-11-12 12:21:24,314 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:24" (1/1) ... [2024-11-12 12:21:24,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:24" (1/1) ... [2024-11-12 12:21:24,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:24" (1/1) ... [2024-11-12 12:21:24,341 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 12:21:24,342 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 12:21:24,342 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 12:21:24,342 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 12:21:24,343 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:24" (1/1) ... [2024-11-12 12:21:24,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 12:21:24,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 12:21:24,384 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) [2024-11-12 12:21:24,389 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 [2024-11-12 12:21:24,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-12 12:21:24,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-12 12:21:24,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-12 12:21:24,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 12:21:24,426 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-12 12:21:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-12 12:21:24,426 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-12 12:21:24,426 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-12 12:21:24,427 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-12 12:21:24,427 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-12 12:21:24,427 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-12 12:21:24,427 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-12 12:21:24,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 12:21:24,427 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-12 12:21:24,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 12:21:24,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 12:21:24,431 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-12 12:21:24,712 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 12:21:24,713 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 12:21:26,261 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-12 12:21:26,262 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 12:21:36,884 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 12:21:36,884 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 12:21:36,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:21:36 BoogieIcfgContainer [2024-11-12 12:21:36,885 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 12:21:36,886 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 12:21:36,886 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 12:21:36,889 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 12:21:36,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:21:23" (1/3) ... [2024-11-12 12:21:36,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d20bb3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:21:36, skipping insertion in model container [2024-11-12 12:21:36,890 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:21:24" (2/3) ... [2024-11-12 12:21:36,890 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d20bb3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:21:36, skipping insertion in model container [2024-11-12 12:21:36,891 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:21:36" (3/3) ... [2024-11-12 12:21:36,891 INFO L112 eAbstractionObserver]: Analyzing ICFG safe016_rmo.opt.i [2024-11-12 12:21:36,910 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 12:21:36,911 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 363 error locations. [2024-11-12 12:21:36,911 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-12 12:21:37,679 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-12 12:21:37,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 519 places, 509 transitions, 1034 flow [2024-11-12 12:21:37,950 INFO L124 PetriNetUnfolderBase]: 3/505 cut-off events. [2024-11-12 12:21:37,950 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:21:37,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 518 conditions, 505 events. 3/505 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 108. Compared 3151 event pairs, 0 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 450. Up to 2 conditions per place. [2024-11-12 12:21:37,975 INFO L82 GeneralOperation]: Start removeDead. Operand has 519 places, 509 transitions, 1034 flow [2024-11-12 12:21:38,019 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 515 places, 505 transitions, 1022 flow [2024-11-12 12:21:38,034 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 12:21:38,047 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;@ae85699, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 12:21:38,048 INFO L334 AbstractCegarLoop]: Starting to check reachability of 591 error locations. [2024-11-12 12:21:38,058 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-12 12:21:38,059 INFO L124 PetriNetUnfolderBase]: 0/64 cut-off events. [2024-11-12 12:21:38,059 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:21:38,059 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:21:38,060 INFO L206 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] [2024-11-12 12:21:38,060 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 587 more)] === [2024-11-12 12:21:38,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:21:38,070 INFO L85 PathProgramCache]: Analyzing trace with hash 1196168390, now seen corresponding path program 1 times [2024-11-12 12:21:38,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:21:38,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072657022] [2024-11-12 12:21:38,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:21:38,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:21:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:21:38,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:21:38,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:21:38,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072657022] [2024-11-12 12:21:38,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072657022] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:21:38,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:21:38,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-12 12:21:38,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439452772] [2024-11-12 12:21:38,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:21:38,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 12:21:38,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:21:38,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 12:21:38,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 12:21:38,422 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 509 [2024-11-12 12:21:38,424 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 515 places, 505 transitions, 1022 flow. Second operand has 2 states, 2 states have (on average 124.0) internal successors, (248), 2 states have internal predecessors, (248), 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) [2024-11-12 12:21:38,424 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:21:38,424 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 509 [2024-11-12 12:21:38,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:21:49,050 INFO L124 PetriNetUnfolderBase]: 4831/13938 cut-off events. [2024-11-12 12:21:49,050 INFO L125 PetriNetUnfolderBase]: For 126/126 co-relation queries the response was YES. [2024-11-12 12:21:49,093 INFO L83 FinitePrefix]: Finished finitePrefix Result has 20752 conditions, 13938 events. 4831/13938 cut-off events. For 126/126 co-relation queries the response was YES. Maximal size of possible extension queue 574. Compared 157407 event pairs, 4831 based on Foata normal form. 1146/14111 useless extension candidates. Maximal degree in co-relation 20682. Up to 6557 conditions per place. [2024-11-12 12:21:49,151 INFO L140 encePairwiseOnDemand]: 145/509 looper letters, 21 selfloop transitions, 0 changer transitions 0/139 dead transitions. [2024-11-12 12:21:49,151 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 139 transitions, 332 flow [2024-11-12 12:21:49,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 12:21:49,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-12 12:21:49,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 631 transitions. [2024-11-12 12:21:49,170 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.6198428290766208 [2024-11-12 12:21:49,173 INFO L175 Difference]: Start difference. First operand has 515 places, 505 transitions, 1022 flow. Second operand 2 states and 631 transitions. [2024-11-12 12:21:49,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 139 transitions, 332 flow [2024-11-12 12:21:49,176 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 139 transitions, 328 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-12 12:21:49,179 INFO L231 Difference]: Finished difference. Result has 149 places, 139 transitions, 286 flow [2024-11-12 12:21:49,181 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=509, PETRI_DIFFERENCE_MINUEND_FLOW=286, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=139, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=139, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=286, PETRI_PLACES=149, PETRI_TRANSITIONS=139} [2024-11-12 12:21:49,186 INFO L279 CegarLoopForPetriNet]: 515 programPoint places, -366 predicate places. [2024-11-12 12:21:49,186 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 139 transitions, 286 flow [2024-11-12 12:21:49,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 124.0) internal successors, (248), 2 states have internal predecessors, (248), 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) [2024-11-12 12:21:49,187 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:21:49,187 INFO L206 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] [2024-11-12 12:21:49,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 12:21:49,187 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 587 more)] === [2024-11-12 12:21:49,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:21:49,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1151093851, now seen corresponding path program 1 times [2024-11-12 12:21:49,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:21:49,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543261372] [2024-11-12 12:21:49,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:21:49,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:21:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:21:49,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:21:49,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:21:49,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543261372] [2024-11-12 12:21:49,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543261372] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:21:49,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:21:49,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:21:49,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177983148] [2024-11-12 12:21:49,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:21:49,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:21:49,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:21:49,491 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:21:49,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:21:49,495 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 509 [2024-11-12 12:21:49,496 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 139 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 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) [2024-11-12 12:21:49,496 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:21:49,496 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 509 [2024-11-12 12:21:49,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-12 12:22:00,167 INFO L124 PetriNetUnfolderBase]: 7311/19756 cut-off events. [2024-11-12 12:22:00,168 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-12 12:22:00,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29847 conditions, 19756 events. 7311/19756 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 564. Compared 218407 event pairs, 2351 based on Foata normal form. 0/18506 useless extension candidates. Maximal degree in co-relation 29844. Up to 6560 conditions per place. [2024-11-12 12:22:00,396 INFO L140 encePairwiseOnDemand]: 507/509 looper letters, 36 selfloop transitions, 1 changer transitions 0/152 dead transitions. [2024-11-12 12:22:00,400 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 152 transitions, 386 flow [2024-11-12 12:22:00,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 12:22:00,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-12 12:22:00,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 398 transitions. [2024-11-12 12:22:00,409 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.26064178127046495 [2024-11-12 12:22:00,409 INFO L175 Difference]: Start difference. First operand has 149 places, 139 transitions, 286 flow. Second operand 3 states and 398 transitions. [2024-11-12 12:22:00,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 150 places, 152 transitions, 386 flow [2024-11-12 12:22:00,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 152 transitions, 386 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-12 12:22:00,421 INFO L231 Difference]: Finished difference. Result has 150 places, 138 transitions, 286 flow [2024-11-12 12:22:00,430 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=509, PETRI_DIFFERENCE_MINUEND_FLOW=284, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=138, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=286, PETRI_PLACES=150, PETRI_TRANSITIONS=138} [2024-11-12 12:22:00,432 INFO L279 CegarLoopForPetriNet]: 515 programPoint places, -365 predicate places. [2024-11-12 12:22:00,432 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 138 transitions, 286 flow [2024-11-12 12:22:00,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 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) [2024-11-12 12:22:00,433 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-12 12:22:00,436 INFO L206 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] [2024-11-12 12:22:00,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 12:22:00,438 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr138ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 587 more)] === [2024-11-12 12:22:00,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 12:22:00,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1815904673, now seen corresponding path program 1 times [2024-11-12 12:22:00,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 12:22:00,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135764646] [2024-11-12 12:22:00,448 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 12:22:00,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 12:22:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 12:22:00,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 12:22:00,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 12:22:00,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135764646] [2024-11-12 12:22:00,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135764646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 12:22:00,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 12:22:00,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 12:22:00,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839034586] [2024-11-12 12:22:00,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 12:22:00,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 12:22:00,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 12:22:00,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 12:22:00,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 12:22:01,002 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 509 [2024-11-12 12:22:01,003 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 138 transitions, 286 flow. Second operand has 3 states, 3 states have (on average 123.0) internal successors, (369), 3 states have internal predecessors, (369), 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) [2024-11-12 12:22:01,003 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-12 12:22:01,003 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 509 [2024-11-12 12:22:01,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand