./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-data-race.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe019_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 61a67961 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/pthread-wmm/safe019_power.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 57c8b47d74ada5c94291d16aafebbb644062493fff61510a323122bcd88ba5b1 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 16:58:26,343 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 16:58:26,412 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-10-14 16:58:26,416 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 16:58:26,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 16:58:26,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 16:58:26,444 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 16:58:26,445 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 16:58:26,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 16:58:26,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 16:58:26,449 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 16:58:26,450 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 16:58:26,450 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 16:58:26,450 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 16:58:26,450 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 16:58:26,451 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 16:58:26,451 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 16:58:26,451 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 16:58:26,451 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 16:58:26,452 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 16:58:26,453 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 16:58:26,453 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 16:58:26,453 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-10-14 16:58:26,454 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 16:58:26,454 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 16:58:26,454 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 16:58:26,454 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 16:58:26,454 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 16:58:26,455 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 16:58:26,455 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 16:58:26,455 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 16:58:26,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 16:58:26,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 16:58:26,456 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 16:58:26,456 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 16:58:26,456 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 16:58:26,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 16:58:26,458 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 16:58:26,458 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 16:58:26,459 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 16:58:26,459 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 16:58:26,460 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57c8b47d74ada5c94291d16aafebbb644062493fff61510a323122bcd88ba5b1 [2024-10-14 16:58:26,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 16:58:26,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 16:58:26,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 16:58:26,772 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 16:58:26,772 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 16:58:26,774 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe019_power.opt.i [2024-10-14 16:58:28,145 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 16:58:28,403 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 16:58:28,404 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe019_power.opt.i [2024-10-14 16:58:28,419 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73f58338f/46cb2afb1afb47ae912f9294b664ccf2/FLAGe737643bc [2024-10-14 16:58:28,726 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73f58338f/46cb2afb1afb47ae912f9294b664ccf2 [2024-10-14 16:58:28,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 16:58:28,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 16:58:28,731 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 16:58:28,731 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 16:58:28,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 16:58:28,738 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 04:58:28" (1/1) ... [2024-10-14 16:58:28,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b401b2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:58:28, skipping insertion in model container [2024-10-14 16:58:28,739 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 04:58:28" (1/1) ... [2024-10-14 16:58:28,789 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 16:58:29,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 16:58:29,263 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 16:58:29,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 16:58:29,417 INFO L204 MainTranslator]: Completed translation [2024-10-14 16:58:29,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:58:29 WrapperNode [2024-10-14 16:58:29,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 16:58:29,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 16:58:29,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 16:58:29,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 16:58:29,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:58:29" (1/1) ... [2024-10-14 16:58:29,471 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:58:29" (1/1) ... [2024-10-14 16:58:29,520 INFO L138 Inliner]: procedures = 176, calls = 73, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 563 [2024-10-14 16:58:29,521 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 16:58:29,522 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 16:58:29,522 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 16:58:29,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 16:58:29,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:58:29" (1/1) ... [2024-10-14 16:58:29,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:58:29" (1/1) ... [2024-10-14 16:58:29,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:58:29" (1/1) ... [2024-10-14 16:58:29,561 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:58:29" (1/1) ... [2024-10-14 16:58:29,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:58:29" (1/1) ... [2024-10-14 16:58:29,632 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:58:29" (1/1) ... [2024-10-14 16:58:29,645 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:58:29" (1/1) ... [2024-10-14 16:58:29,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:58:29" (1/1) ... [2024-10-14 16:58:29,668 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 16:58:29,673 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 16:58:29,675 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 16:58:29,675 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 16:58:29,676 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:58:29" (1/1) ... [2024-10-14 16:58:29,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 16:58:29,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 16:58:29,713 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) [2024-10-14 16:58:29,715 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 [2024-10-14 16:58:29,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-14 16:58:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-14 16:58:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-14 16:58:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 16:58:29,757 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-10-14 16:58:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-10-14 16:58:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-10-14 16:58:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-10-14 16:58:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-10-14 16:58:29,758 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-10-14 16:58:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-10-14 16:58:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-10-14 16:58:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-14 16:58:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-14 16:58:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 16:58:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 16:58:29,762 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-14 16:58:30,071 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 16:58:30,073 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 16:58:32,046 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-14 16:58:32,046 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 16:58:42,109 WARN L1752 r$LargeBlockEncoding]: Complex 5:117 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-10-14 16:58:43,711 WARN L1752 r$LargeBlockEncoding]: Complex 3:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-10-14 16:58:43,775 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 16:58:43,776 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 16:58:43,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:58:43 BoogieIcfgContainer [2024-10-14 16:58:43,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 16:58:43,779 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 16:58:43,779 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 16:58:43,782 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 16:58:43,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 04:58:28" (1/3) ... [2024-10-14 16:58:43,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6792f5bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:58:43, skipping insertion in model container [2024-10-14 16:58:43,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 04:58:29" (2/3) ... [2024-10-14 16:58:43,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6792f5bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 04:58:43, skipping insertion in model container [2024-10-14 16:58:43,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 04:58:43" (3/3) ... [2024-10-14 16:58:43,786 INFO L112 eAbstractionObserver]: Analyzing ICFG safe019_power.opt.i [2024-10-14 16:58:43,806 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 16:58:43,807 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 403 error locations. [2024-10-14 16:58:43,807 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-14 16:58:45,917 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-10-14 16:58:45,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 560 places, 1062 transitions, 2140 flow [2024-10-14 16:58:47,002 INFO L124 PetriNetUnfolderBase]: 515/1058 cut-off events. [2024-10-14 16:58:47,003 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 16:58:47,045 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1071 conditions, 1058 events. 515/1058 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 4126 event pairs, 0 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 1002. Up to 5 conditions per place. [2024-10-14 16:58:47,045 INFO L82 GeneralOperation]: Start removeDead. Operand has 560 places, 1062 transitions, 2140 flow [2024-10-14 16:58:47,127 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 556 places, 1058 transitions, 2128 flow [2024-10-14 16:58:47,134 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 16:58:47,140 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;@2bc646ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 16:58:47,141 INFO L334 AbstractCegarLoop]: Starting to check reachability of 765 error locations. [2024-10-14 16:58:47,149 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-10-14 16:58:47,150 INFO L124 PetriNetUnfolderBase]: 0/64 cut-off events. [2024-10-14 16:58:47,150 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 16:58:47,150 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:58:47,151 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 16:58:47,151 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 761 more)] === [2024-10-14 16:58:47,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:58:47,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1671227897, now seen corresponding path program 1 times [2024-10-14 16:58:47,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:58:47,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666581687] [2024-10-14 16:58:47,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:58:47,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:58:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:58:47,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:58:47,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:58:47,507 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666581687] [2024-10-14 16:58:47,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666581687] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:58:47,508 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:58:47,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 16:58:47,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643920769] [2024-10-14 16:58:47,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:58:47,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 16:58:47,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:58:47,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 16:58:47,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 16:58:47,556 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 1062 [2024-10-14 16:58:47,560 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 556 places, 1058 transitions, 2128 flow. Second operand has 2 states, 2 states have (on average 126.0) internal successors, (252), 2 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 16:58:47,560 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:58:47,561 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 1062 [2024-10-14 16:58:47,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:59:12,357 INFO L124 PetriNetUnfolderBase]: 5524/12842 cut-off events. [2024-10-14 16:59:12,358 INFO L125 PetriNetUnfolderBase]: For 101/101 co-relation queries the response was YES. [2024-10-14 16:59:12,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19954 conditions, 12842 events. 5524/12842 cut-off events. For 101/101 co-relation queries the response was YES. Maximal size of possible extension queue 466. Compared 124332 event pairs, 3796 based on Foata normal form. 910/11229 useless extension candidates. Maximal degree in co-relation 19883. Up to 6905 conditions per place. [2024-10-14 16:59:12,459 INFO L140 encePairwiseOnDemand]: 152/1062 looper letters, 26 selfloop transitions, 0 changer transitions 0/146 dead transitions. [2024-10-14 16:59:12,460 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 146 transitions, 356 flow [2024-10-14 16:59:12,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 16:59:12,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-10-14 16:59:12,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1186 transitions. [2024-10-14 16:59:12,478 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5583804143126178 [2024-10-14 16:59:12,480 INFO L175 Difference]: Start difference. First operand has 556 places, 1058 transitions, 2128 flow. Second operand 2 states and 1186 transitions. [2024-10-14 16:59:12,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 146 transitions, 356 flow [2024-10-14 16:59:12,484 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 146 transitions, 352 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-10-14 16:59:12,487 INFO L231 Difference]: Finished difference. Result has 150 places, 146 transitions, 300 flow [2024-10-14 16:59:12,489 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1062, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=146, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=300, PETRI_PLACES=150, PETRI_TRANSITIONS=146} [2024-10-14 16:59:12,495 INFO L277 CegarLoopForPetriNet]: 556 programPoint places, -406 predicate places. [2024-10-14 16:59:12,495 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 146 transitions, 300 flow [2024-10-14 16:59:12,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 126.0) internal successors, (252), 2 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 16:59:12,496 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:59:12,496 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 16:59:12,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 16:59:12,497 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 761 more)] === [2024-10-14 16:59:12,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:59:12,499 INFO L85 PathProgramCache]: Analyzing trace with hash -780205086, now seen corresponding path program 1 times [2024-10-14 16:59:12,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:59:12,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792356751] [2024-10-14 16:59:12,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:59:12,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:59:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:59:12,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:59:12,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:59:12,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792356751] [2024-10-14 16:59:12,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792356751] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:59:12,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:59:12,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 16:59:12,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647065027] [2024-10-14 16:59:12,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:59:12,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 16:59:12,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:59:12,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 16:59:12,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 16:59:12,738 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 1062 [2024-10-14 16:59:12,738 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 146 transitions, 300 flow. Second operand has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 16:59:12,739 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:59:12,739 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 1062 [2024-10-14 16:59:12,740 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-10-14 16:59:43,884 INFO L124 PetriNetUnfolderBase]: 8308/18293 cut-off events. [2024-10-14 16:59:43,885 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-10-14 16:59:43,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 28826 conditions, 18293 events. 8308/18293 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 458. Compared 172472 event pairs, 1844 based on Foata normal form. 0/14728 useless extension candidates. Maximal degree in co-relation 28823. Up to 6848 conditions per place. [2024-10-14 16:59:43,994 INFO L140 encePairwiseOnDemand]: 1060/1062 looper letters, 46 selfloop transitions, 1 changer transitions 0/164 dead transitions. [2024-10-14 16:59:43,995 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 164 transitions, 430 flow [2024-10-14 16:59:43,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 16:59:43,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-10-14 16:59:43,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 414 transitions. [2024-10-14 16:59:43,999 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.12994350282485875 [2024-10-14 16:59:43,999 INFO L175 Difference]: Start difference. First operand has 150 places, 146 transitions, 300 flow. Second operand 3 states and 414 transitions. [2024-10-14 16:59:43,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 164 transitions, 430 flow [2024-10-14 16:59:44,000 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 164 transitions, 430 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-10-14 16:59:44,004 INFO L231 Difference]: Finished difference. Result has 151 places, 145 transitions, 300 flow [2024-10-14 16:59:44,004 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=1062, PETRI_DIFFERENCE_MINUEND_FLOW=298, PETRI_DIFFERENCE_MINUEND_PLACES=149, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=300, PETRI_PLACES=151, PETRI_TRANSITIONS=145} [2024-10-14 16:59:44,005 INFO L277 CegarLoopForPetriNet]: 556 programPoint places, -405 predicate places. [2024-10-14 16:59:44,005 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 145 transitions, 300 flow [2024-10-14 16:59:44,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 16:59:44,006 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-10-14 16:59:44,006 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 16:59:44,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 16:59:44,007 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 761 more)] === [2024-10-14 16:59:44,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 16:59:44,009 INFO L85 PathProgramCache]: Analyzing trace with hash 165324348, now seen corresponding path program 1 times [2024-10-14 16:59:44,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 16:59:44,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345305989] [2024-10-14 16:59:44,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 16:59:44,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 16:59:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 16:59:44,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 16:59:44,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 16:59:44,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345305989] [2024-10-14 16:59:44,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345305989] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 16:59:44,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 16:59:44,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 16:59:44,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143850598] [2024-10-14 16:59:44,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 16:59:44,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 16:59:44,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 16:59:44,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 16:59:44,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 16:59:44,243 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 1062 [2024-10-14 16:59:44,243 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 145 transitions, 300 flow. Second operand has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 16:59:44,243 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-10-14 16:59:44,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 1062 [2024-10-14 16:59:44,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand