./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/mix021_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 023d838f 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/mix021_tso.oepc.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 1821be0ec0c098ba0cd2fb39edc7421f58889218b21285544a5e01e847e429e6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 14:13:07,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 14:13:07,389 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-10 14:13:07,393 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 14:13:07,393 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 14:13:07,414 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 14:13:07,415 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 14:13:07,415 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 14:13:07,416 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 14:13:07,416 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 14:13:07,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 14:13:07,416 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 14:13:07,417 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 14:13:07,417 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 14:13:07,417 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 14:13:07,417 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 14:13:07,418 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 14:13:07,418 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 14:13:07,418 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 14:13:07,418 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 14:13:07,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 14:13:07,421 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 14:13:07,421 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-10 14:13:07,422 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 14:13:07,422 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 14:13:07,422 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 14:13:07,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 14:13:07,422 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 14:13:07,423 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 14:13:07,423 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 14:13:07,423 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 14:13:07,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:13:07,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 14:13:07,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 14:13:07,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 14:13:07,424 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 14:13:07,424 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 14:13:07,424 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 14:13:07,424 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 14:13:07,425 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 14:13:07,425 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 14:13:07,425 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1821be0ec0c098ba0cd2fb39edc7421f58889218b21285544a5e01e847e429e6 [2024-11-10 14:13:07,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 14:13:07,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 14:13:07,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 14:13:07,664 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 14:13:07,665 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 14:13:07,665 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/mix021_tso.oepc.i [2024-11-10 14:13:08,842 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 14:13:09,068 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 14:13:09,068 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/mix021_tso.oepc.i [2024-11-10 14:13:09,078 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73beedc39/7bfdd31f076f4d4e894fa0a2f1c5fb09/FLAG49e4394eb [2024-11-10 14:13:09,440 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73beedc39/7bfdd31f076f4d4e894fa0a2f1c5fb09 [2024-11-10 14:13:09,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 14:13:09,443 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 14:13:09,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 14:13:09,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 14:13:09,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 14:13:09,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:13:09" (1/1) ... [2024-11-10 14:13:09,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f2a4fb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:13:09, skipping insertion in model container [2024-11-10 14:13:09,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:13:09" (1/1) ... [2024-11-10 14:13:09,491 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 14:13:09,810 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:13:09,833 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 14:13:09,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 14:13:09,915 INFO L204 MainTranslator]: Completed translation [2024-11-10 14:13:09,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:13:09 WrapperNode [2024-11-10 14:13:09,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 14:13:09,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 14:13:09,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 14:13:09,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 14:13:09,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:13:09" (1/1) ... [2024-11-10 14:13:09,939 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:13:09" (1/1) ... [2024-11-10 14:13:09,973 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 954 [2024-11-10 14:13:09,974 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 14:13:09,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 14:13:09,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 14:13:09,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 14:13:09,981 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:13:09" (1/1) ... [2024-11-10 14:13:09,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:13:09" (1/1) ... [2024-11-10 14:13:09,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:13:09" (1/1) ... [2024-11-10 14:13:09,992 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:13:09" (1/1) ... [2024-11-10 14:13:10,014 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:13:09" (1/1) ... [2024-11-10 14:13:10,020 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:13:09" (1/1) ... [2024-11-10 14:13:10,025 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:13:09" (1/1) ... [2024-11-10 14:13:10,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:13:09" (1/1) ... [2024-11-10 14:13:10,035 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 14:13:10,036 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 14:13:10,036 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 14:13:10,037 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 14:13:10,037 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:13:09" (1/1) ... [2024-11-10 14:13:10,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 14:13:10,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 14:13:10,071 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) [2024-11-10 14:13:10,075 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 [2024-11-10 14:13:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-10 14:13:10,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 14:13:10,112 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-10 14:13:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-10 14:13:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-10 14:13:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-10 14:13:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-10 14:13:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-10 14:13:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-10 14:13:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-10 14:13:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-10 14:13:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-10 14:13:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 14:13:10,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 14:13:10,117 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-10 14:13:10,344 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 14:13:10,346 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 14:13:11,391 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-10 14:13:11,391 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 14:13:13,959 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-10 14:13:13,995 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-10 14:13:14,029 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-10 14:13:14,074 WARN L170 LargeBlockEncoding]: Complex 2:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-10 14:13:14,119 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 14:13:14,121 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 14:13:14,121 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:13:14 BoogieIcfgContainer [2024-11-10 14:13:14,121 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 14:13:14,123 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 14:13:14,123 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 14:13:14,128 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 14:13:14,128 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 02:13:09" (1/3) ... [2024-11-10 14:13:14,129 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62dee602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:13:14, skipping insertion in model container [2024-11-10 14:13:14,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:13:09" (2/3) ... [2024-11-10 14:13:14,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62dee602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 02:13:14, skipping insertion in model container [2024-11-10 14:13:14,131 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 02:13:14" (3/3) ... [2024-11-10 14:13:14,131 INFO L112 eAbstractionObserver]: Analyzing ICFG mix021_tso.oepc.i [2024-11-10 14:13:14,146 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 14:13:14,146 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 254 error locations. [2024-11-10 14:13:14,146 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-10 14:13:14,413 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-10 14:13:14,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 395 places, 473 transitions, 962 flow [2024-11-10 14:13:14,819 INFO L124 PetriNetUnfolderBase]: 91/469 cut-off events. [2024-11-10 14:13:14,820 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:13:14,839 INFO L83 FinitePrefix]: Finished finitePrefix Result has 482 conditions, 469 events. 91/469 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 2139 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 432. Up to 2 conditions per place. [2024-11-10 14:13:14,840 INFO L82 GeneralOperation]: Start removeDead. Operand has 395 places, 473 transitions, 962 flow [2024-11-10 14:13:14,882 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 391 places, 469 transitions, 950 flow [2024-11-10 14:13:14,892 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 14:13:14,900 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;@775901a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 14:13:14,900 INFO L334 AbstractCegarLoop]: Starting to check reachability of 380 error locations. [2024-11-10 14:13:14,907 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-10 14:13:14,907 INFO L124 PetriNetUnfolderBase]: 0/45 cut-off events. [2024-11-10 14:13:14,907 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:13:14,908 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:13:14,908 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] [2024-11-10 14:13:14,909 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err3ASSERT_VIOLATIONDATA_RACE === [P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err0ASSERT_VIOLATIONDATA_RACE (and 376 more)] === [2024-11-10 14:13:14,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:13:14,913 INFO L85 PathProgramCache]: Analyzing trace with hash -2050623446, now seen corresponding path program 1 times [2024-11-10 14:13:14,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:13:14,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995399814] [2024-11-10 14:13:14,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:13:14,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:13:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:13:15,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:13:15,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:13:15,134 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995399814] [2024-11-10 14:13:15,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995399814] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:13:15,135 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:13:15,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 14:13:15,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601788165] [2024-11-10 14:13:15,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:13:15,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 14:13:15,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:13:15,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 14:13:15,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 14:13:15,174 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 473 [2024-11-10 14:13:15,177 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 391 places, 469 transitions, 950 flow. Second operand has 2 states, 2 states have (on average 106.0) internal successors, (212), 2 states have internal predecessors, (212), 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) [2024-11-10 14:13:15,178 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:13:15,178 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 473 [2024-11-10 14:13:15,179 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:13:35,908 INFO L124 PetriNetUnfolderBase]: 11800/28119 cut-off events. [2024-11-10 14:13:35,909 INFO L125 PetriNetUnfolderBase]: For 156/156 co-relation queries the response was YES. [2024-11-10 14:13:35,979 INFO L83 FinitePrefix]: Finished finitePrefix Result has 43392 conditions, 28119 events. 11800/28119 cut-off events. For 156/156 co-relation queries the response was YES. Maximal size of possible extension queue 1045. Compared 316033 event pairs, 9295 based on Foata normal form. 2193/26114 useless extension candidates. Maximal degree in co-relation 43340. Up to 14956 conditions per place. [2024-11-10 14:13:36,091 INFO L140 encePairwiseOnDemand]: 134/473 looper letters, 28 selfloop transitions, 0 changer transitions 0/128 dead transitions. [2024-11-10 14:13:36,091 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 128 transitions, 324 flow [2024-11-10 14:13:36,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 14:13:36,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-10 14:13:36,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 577 transitions. [2024-11-10 14:13:36,109 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6099365750528541 [2024-11-10 14:13:36,111 INFO L175 Difference]: Start difference. First operand has 391 places, 469 transitions, 950 flow. Second operand 2 states and 577 transitions. [2024-11-10 14:13:36,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 128 transitions, 324 flow [2024-11-10 14:13:36,114 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 134 places, 128 transitions, 320 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-10 14:13:36,116 INFO L231 Difference]: Finished difference. Result has 134 places, 128 transitions, 264 flow [2024-11-10 14:13:36,119 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=264, PETRI_PLACES=134, PETRI_TRANSITIONS=128} [2024-11-10 14:13:36,122 INFO L277 CegarLoopForPetriNet]: 391 programPoint places, -257 predicate places. [2024-11-10 14:13:36,123 INFO L471 AbstractCegarLoop]: Abstraction has has 134 places, 128 transitions, 264 flow [2024-11-10 14:13:36,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 106.0) internal successors, (212), 2 states have internal predecessors, (212), 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) [2024-11-10 14:13:36,124 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:13:36,124 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] [2024-11-10 14:13:36,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 14:13:36,124 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr129ASSERT_VIOLATIONDATA_RACE === [P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err0ASSERT_VIOLATIONDATA_RACE (and 376 more)] === [2024-11-10 14:13:36,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:13:36,126 INFO L85 PathProgramCache]: Analyzing trace with hash -4282200, now seen corresponding path program 1 times [2024-11-10 14:13:36,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:13:36,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698796487] [2024-11-10 14:13:36,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:13:36,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:13:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:13:36,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:13:36,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:13:36,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698796487] [2024-11-10 14:13:36,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698796487] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:13:36,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:13:36,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:13:36,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314120489] [2024-11-10 14:13:36,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:13:36,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:13:36,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:13:36,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:13:36,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:13:36,262 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 473 [2024-11-10 14:13:36,262 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 134 places, 128 transitions, 264 flow. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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) [2024-11-10 14:13:36,262 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:13:36,263 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 473 [2024-11-10 14:13:36,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-10 14:13:56,832 INFO L124 PetriNetUnfolderBase]: 17500/40247 cut-off events. [2024-11-10 14:13:56,833 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-10 14:13:56,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62717 conditions, 40247 events. 17500/40247 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1016. Compared 444178 event pairs, 4445 based on Foata normal form. 0/34590 useless extension candidates. Maximal degree in co-relation 62714. Up to 15150 conditions per place. [2024-11-10 14:13:57,029 INFO L140 encePairwiseOnDemand]: 471/473 looper letters, 49 selfloop transitions, 1 changer transitions 0/147 dead transitions. [2024-11-10 14:13:57,029 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 147 transitions, 402 flow [2024-11-10 14:13:57,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 14:13:57,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-10 14:13:57,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 357 transitions. [2024-11-10 14:13:57,034 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.25158562367864695 [2024-11-10 14:13:57,034 INFO L175 Difference]: Start difference. First operand has 134 places, 128 transitions, 264 flow. Second operand 3 states and 357 transitions. [2024-11-10 14:13:57,034 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 147 transitions, 402 flow [2024-11-10 14:13:57,036 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 147 transitions, 402 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-10 14:13:57,038 INFO L231 Difference]: Finished difference. Result has 135 places, 127 transitions, 264 flow [2024-11-10 14:13:57,039 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=473, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=127, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=126, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=264, PETRI_PLACES=135, PETRI_TRANSITIONS=127} [2024-11-10 14:13:57,039 INFO L277 CegarLoopForPetriNet]: 391 programPoint places, -256 predicate places. [2024-11-10 14:13:57,039 INFO L471 AbstractCegarLoop]: Abstraction has has 135 places, 127 transitions, 264 flow [2024-11-10 14:13:57,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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) [2024-11-10 14:13:57,040 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-10 14:13:57,040 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] [2024-11-10 14:13:57,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 14:13:57,041 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [P0Err3ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err0ASSERT_VIOLATIONDATA_RACE (and 376 more)] === [2024-11-10 14:13:57,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 14:13:57,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1216518093, now seen corresponding path program 1 times [2024-11-10 14:13:57,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 14:13:57,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604447303] [2024-11-10 14:13:57,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 14:13:57,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 14:13:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 14:13:57,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 14:13:57,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 14:13:57,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604447303] [2024-11-10 14:13:57,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604447303] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 14:13:57,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 14:13:57,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 14:13:57,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724075302] [2024-11-10 14:13:57,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 14:13:57,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 14:13:57,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 14:13:57,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 14:13:57,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 14:13:57,266 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 102 out of 473 [2024-11-10 14:13:57,267 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 127 transitions, 264 flow. Second operand has 3 states, 3 states have (on average 105.0) internal successors, (315), 3 states have internal predecessors, (315), 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) [2024-11-10 14:13:57,267 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-10 14:13:57,267 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 102 of 473 [2024-11-10 14:13:57,267 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand