./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/goblint-regression/28-race_reach_84-list2_racing2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.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 f70125267ee7251a74a40ef1ba0ea3ced14d0fe45e7a9ea5a666e1eecab0c01c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 09:55:24,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 09:55:24,184 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-13 09:55:24,189 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 09:55:24,189 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 09:55:24,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 09:55:24,221 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 09:55:24,221 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 09:55:24,222 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 09:55:24,222 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 09:55:24,222 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 09:55:24,223 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 09:55:24,223 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 09:55:24,223 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 09:55:24,224 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 09:55:24,226 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 09:55:24,226 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 09:55:24,226 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 09:55:24,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 09:55:24,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 09:55:24,227 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 09:55:24,230 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 09:55:24,231 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-13 09:55:24,231 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 09:55:24,231 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 09:55:24,231 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 09:55:24,232 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 09:55:24,232 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 09:55:24,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 09:55:24,233 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 09:55:24,233 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 09:55:24,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:55:24,234 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 09:55:24,234 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 09:55:24,235 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 09:55:24,235 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 09:55:24,235 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 09:55:24,235 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 09:55:24,235 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 09:55:24,236 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 09:55:24,236 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 09:55:24,236 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f70125267ee7251a74a40ef1ba0ea3ced14d0fe45e7a9ea5a666e1eecab0c01c [2024-10-13 09:55:24,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 09:55:24,534 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 09:55:24,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 09:55:24,539 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 09:55:24,539 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 09:55:24,540 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i [2024-10-13 09:55:26,037 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 09:55:26,311 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 09:55:26,312 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i [2024-10-13 09:55:26,330 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cac9cda1/e5ed0f909a6d42a9bd32c0d9ee09355f/FLAGf953c595c [2024-10-13 09:55:26,351 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cac9cda1/e5ed0f909a6d42a9bd32c0d9ee09355f [2024-10-13 09:55:26,355 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 09:55:26,357 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 09:55:26,358 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 09:55:26,359 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 09:55:26,365 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 09:55:26,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:55:26" (1/1) ... [2024-10-13 09:55:26,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cea11c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:26, skipping insertion in model container [2024-10-13 09:55:26,368 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:55:26" (1/1) ... [2024-10-13 09:55:26,422 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 09:55:26,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:55:26,947 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 09:55:27,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 09:55:27,174 INFO L204 MainTranslator]: Completed translation [2024-10-13 09:55:27,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:27 WrapperNode [2024-10-13 09:55:27,175 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 09:55:27,176 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 09:55:27,176 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 09:55:27,176 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 09:55:27,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:27" (1/1) ... [2024-10-13 09:55:27,208 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:27" (1/1) ... [2024-10-13 09:55:27,259 INFO L138 Inliner]: procedures = 280, calls = 99, calls flagged for inlining = 13, calls inlined = 14, statements flattened = 649 [2024-10-13 09:55:27,261 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 09:55:27,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 09:55:27,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 09:55:27,264 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 09:55:27,274 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:27" (1/1) ... [2024-10-13 09:55:27,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:27" (1/1) ... [2024-10-13 09:55:27,287 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:27" (1/1) ... [2024-10-13 09:55:27,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:27" (1/1) ... [2024-10-13 09:55:27,316 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:27" (1/1) ... [2024-10-13 09:55:27,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:27" (1/1) ... [2024-10-13 09:55:27,335 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:27" (1/1) ... [2024-10-13 09:55:27,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:27" (1/1) ... [2024-10-13 09:55:27,345 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 09:55:27,347 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 09:55:27,347 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 09:55:27,347 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 09:55:27,348 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:27" (1/1) ... [2024-10-13 09:55:27,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 09:55:27,373 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 09:55:27,390 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) [2024-10-13 09:55:27,392 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 [2024-10-13 09:55:27,442 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 09:55:27,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-10-13 09:55:27,443 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2024-10-13 09:55:27,444 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2024-10-13 09:55:27,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 09:55:27,444 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-10-13 09:55:27,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-13 09:55:27,444 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-10-13 09:55:27,444 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-10-13 09:55:27,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-13 09:55:27,445 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-10-13 09:55:27,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 09:55:27,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 09:55:27,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-10-13 09:55:27,446 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2024-10-13 09:55:27,447 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2024-10-13 09:55:27,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-13 09:55:27,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 09:55:27,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 09:55:27,450 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-13 09:55:27,659 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 09:55:27,661 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 09:55:28,651 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-13 09:55:28,652 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 09:55:28,749 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 09:55:28,749 INFO L314 CfgBuilder]: Removed 29 assume(true) statements. [2024-10-13 09:55:28,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:55:28 BoogieIcfgContainer [2024-10-13 09:55:28,749 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 09:55:28,752 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 09:55:28,754 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 09:55:28,758 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 09:55:28,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:55:26" (1/3) ... [2024-10-13 09:55:28,759 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@670b2bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:55:28, skipping insertion in model container [2024-10-13 09:55:28,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:55:27" (2/3) ... [2024-10-13 09:55:28,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@670b2bf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:55:28, skipping insertion in model container [2024-10-13 09:55:28,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:55:28" (3/3) ... [2024-10-13 09:55:28,762 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_84-list2_racing2.i [2024-10-13 09:55:28,781 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 09:55:28,782 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 44 error locations. [2024-10-13 09:55:28,782 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-13 09:55:28,939 INFO L143 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2024-10-13 09:55:28,997 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 654 places, 698 transitions, 1435 flow [2024-10-13 09:55:30,126 INFO L124 PetriNetUnfolderBase]: 195/2491 cut-off events. [2024-10-13 09:55:30,127 INFO L125 PetriNetUnfolderBase]: For 36/36 co-relation queries the response was YES. [2024-10-13 09:55:30,200 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2545 conditions, 2491 events. 195/2491 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 18097 event pairs, 0 based on Foata normal form. 0/2137 useless extension candidates. Maximal degree in co-relation 1264. Up to 16 conditions per place. [2024-10-13 09:55:30,201 INFO L82 GeneralOperation]: Start removeDead. Operand has 654 places, 698 transitions, 1435 flow [2024-10-13 09:55:30,320 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 654 places, 698 transitions, 1435 flow [2024-10-13 09:55:30,331 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 09:55:30,339 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;@7bb92547, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 09:55:30,339 INFO L334 AbstractCegarLoop]: Starting to check reachability of 70 error locations. [2024-10-13 09:55:30,346 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-13 09:55:30,347 INFO L124 PetriNetUnfolderBase]: 0/42 cut-off events. [2024-10-13 09:55:30,347 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-13 09:55:30,348 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:55:30,349 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] [2024-10-13 09:55:30,349 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-10-13 09:55:30,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:55:30,354 INFO L85 PathProgramCache]: Analyzing trace with hash -268106916, now seen corresponding path program 1 times [2024-10-13 09:55:30,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:55:30,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334621338] [2024-10-13 09:55:30,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:55:30,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:55:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:55:30,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:55:30,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:55:30,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334621338] [2024-10-13 09:55:30,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334621338] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:55:30,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:55:30,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:55:30,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087390345] [2024-10-13 09:55:30,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:55:30,701 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:55:30,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:55:30,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:55:30,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:55:30,774 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 614 out of 698 [2024-10-13 09:55:30,782 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 654 places, 698 transitions, 1435 flow. Second operand has 3 states, 3 states have (on average 615.3333333333334) internal successors, (1846), 3 states have internal predecessors, (1846), 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) [2024-10-13 09:55:30,783 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:55:30,783 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 614 of 698 [2024-10-13 09:55:30,784 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:55:53,882 INFO L124 PetriNetUnfolderBase]: 14982/93326 cut-off events. [2024-10-13 09:55:53,882 INFO L125 PetriNetUnfolderBase]: For 2600/2600 co-relation queries the response was YES. [2024-10-13 09:55:55,021 INFO L83 FinitePrefix]: Finished finitePrefix Result has 113616 conditions, 93326 events. 14982/93326 cut-off events. For 2600/2600 co-relation queries the response was YES. Maximal size of possible extension queue 1308. Compared 1460698 event pairs, 12992 based on Foata normal form. 13305/98048 useless extension candidates. Maximal degree in co-relation 86628. Up to 19299 conditions per place. [2024-10-13 09:55:55,683 INFO L140 encePairwiseOnDemand]: 662/698 looper letters, 46 selfloop transitions, 2 changer transitions 0/660 dead transitions. [2024-10-13 09:55:55,684 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 651 places, 660 transitions, 1455 flow [2024-10-13 09:55:55,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:55:55,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:55:55,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1924 transitions. [2024-10-13 09:55:55,712 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9188156638013372 [2024-10-13 09:55:55,715 INFO L175 Difference]: Start difference. First operand has 654 places, 698 transitions, 1435 flow. Second operand 3 states and 1924 transitions. [2024-10-13 09:55:55,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 651 places, 660 transitions, 1455 flow [2024-10-13 09:55:55,739 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 651 places, 660 transitions, 1455 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-13 09:55:55,750 INFO L231 Difference]: Finished difference. Result has 651 places, 660 transitions, 1363 flow [2024-10-13 09:55:55,755 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=698, PETRI_DIFFERENCE_MINUEND_FLOW=1359, PETRI_DIFFERENCE_MINUEND_PLACES=649, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=660, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=658, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1363, PETRI_PLACES=651, PETRI_TRANSITIONS=660} [2024-10-13 09:55:55,759 INFO L277 CegarLoopForPetriNet]: 654 programPoint places, -3 predicate places. [2024-10-13 09:55:55,760 INFO L471 AbstractCegarLoop]: Abstraction has has 651 places, 660 transitions, 1363 flow [2024-10-13 09:55:55,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 615.3333333333334) internal successors, (1846), 3 states have internal predecessors, (1846), 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) [2024-10-13 09:55:55,762 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:55:55,762 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] [2024-10-13 09:55:55,763 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 09:55:55,763 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-10-13 09:55:55,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:55:55,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1765068408, now seen corresponding path program 1 times [2024-10-13 09:55:55,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:55:55,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906273972] [2024-10-13 09:55:55,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:55:55,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:55:55,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:55:55,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:55:55,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:55:55,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906273972] [2024-10-13 09:55:55,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1906273972] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:55:55,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:55:55,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 09:55:55,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101262888] [2024-10-13 09:55:55,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:55:55,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 09:55:55,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:55:55,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 09:55:55,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 09:55:55,910 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 612 out of 698 [2024-10-13 09:55:55,913 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 651 places, 660 transitions, 1363 flow. Second operand has 3 states, 3 states have (on average 613.0) internal successors, (1839), 3 states have internal predecessors, (1839), 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) [2024-10-13 09:55:55,913 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:55:55,914 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 612 of 698 [2024-10-13 09:55:55,914 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-13 09:56:21,859 INFO L124 PetriNetUnfolderBase]: 18720/124852 cut-off events. [2024-10-13 09:56:21,859 INFO L125 PetriNetUnfolderBase]: For 3215/3215 co-relation queries the response was YES. [2024-10-13 09:56:23,346 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151380 conditions, 124852 events. 18720/124852 cut-off events. For 3215/3215 co-relation queries the response was YES. Maximal size of possible extension queue 1612. Compared 2041594 event pairs, 17198 based on Foata normal form. 0/113764 useless extension candidates. Maximal degree in co-relation 151326. Up to 25296 conditions per place. [2024-10-13 09:56:24,149 INFO L140 encePairwiseOnDemand]: 693/698 looper letters, 46 selfloop transitions, 1 changer transitions 0/656 dead transitions. [2024-10-13 09:56:24,150 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 649 places, 656 transitions, 1449 flow [2024-10-13 09:56:24,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 09:56:24,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-13 09:56:24,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1887 transitions. [2024-10-13 09:56:24,155 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.9011461318051576 [2024-10-13 09:56:24,155 INFO L175 Difference]: Start difference. First operand has 651 places, 660 transitions, 1363 flow. Second operand 3 states and 1887 transitions. [2024-10-13 09:56:24,156 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 649 places, 656 transitions, 1449 flow [2024-10-13 09:56:24,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 647 places, 656 transitions, 1445 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-10-13 09:56:24,301 INFO L231 Difference]: Finished difference. Result has 647 places, 656 transitions, 1353 flow [2024-10-13 09:56:24,302 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=698, PETRI_DIFFERENCE_MINUEND_FLOW=1351, PETRI_DIFFERENCE_MINUEND_PLACES=645, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=656, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=655, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1353, PETRI_PLACES=647, PETRI_TRANSITIONS=656} [2024-10-13 09:56:24,303 INFO L277 CegarLoopForPetriNet]: 654 programPoint places, -7 predicate places. [2024-10-13 09:56:24,303 INFO L471 AbstractCegarLoop]: Abstraction has has 647 places, 656 transitions, 1353 flow [2024-10-13 09:56:24,305 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 613.0) internal successors, (1839), 3 states have internal predecessors, (1839), 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) [2024-10-13 09:56:24,305 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-13 09:56:24,305 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] [2024-10-13 09:56:24,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 09:56:24,306 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [t2_funErr0ASSERT_VIOLATIONDATA_RACE, t2_funErr1ASSERT_VIOLATIONDATA_RACE, t2_funErr2ASSERT_VIOLATIONDATA_RACE, t2_funErr7ASSERT_VIOLATIONDATA_RACE (and 66 more)] === [2024-10-13 09:56:24,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 09:56:24,306 INFO L85 PathProgramCache]: Analyzing trace with hash 449799134, now seen corresponding path program 1 times [2024-10-13 09:56:24,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 09:56:24,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901912611] [2024-10-13 09:56:24,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 09:56:24,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 09:56:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 09:56:24,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 09:56:24,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 09:56:24,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901912611] [2024-10-13 09:56:24,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901912611] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 09:56:24,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 09:56:24,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 09:56:24,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125083441] [2024-10-13 09:56:24,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 09:56:24,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 09:56:24,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 09:56:24,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 09:56:24,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-10-13 09:56:25,533 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 483 out of 698 [2024-10-13 09:56:25,537 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 647 places, 656 transitions, 1353 flow. Second operand has 6 states, 6 states have (on average 484.3333333333333) internal successors, (2906), 6 states have internal predecessors, (2906), 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) [2024-10-13 09:56:25,538 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-13 09:56:25,538 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 483 of 698 [2024-10-13 09:56:25,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand