./Ultimate.py --spec ../sv-benchmarks/c/properties/no-data-race.prp --file ../sv-benchmarks/c/pthread-wmm/safe019_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 3061b6dc 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/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-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 05:41:45,222 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 05:41:45,318 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-19 05:41:45,323 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 05:41:45,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 05:41:45,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 05:41:45,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 05:41:45,375 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 05:41:45,375 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 05:41:45,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 05:41:45,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 05:41:45,377 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 05:41:45,377 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 05:41:45,380 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 05:41:45,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 05:41:45,381 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 05:41:45,381 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 05:41:45,382 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 05:41:45,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 05:41:45,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 05:41:45,386 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 05:41:45,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 05:41:45,387 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-19 05:41:45,387 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 05:41:45,388 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 05:41:45,388 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 05:41:45,388 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 05:41:45,388 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 05:41:45,388 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 05:41:45,389 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 05:41:45,389 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 05:41:45,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:41:45,389 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 05:41:45,390 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 05:41:45,390 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 05:41:45,390 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 05:41:45,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 05:41:45,391 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 05:41:45,392 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 05:41:45,392 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 05:41:45,392 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 05:41:45,393 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57c8b47d74ada5c94291d16aafebbb644062493fff61510a323122bcd88ba5b1 [2024-11-19 05:41:45,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 05:41:45,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 05:41:45,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 05:41:45,719 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 05:41:45,719 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 05:41:45,721 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread-wmm/safe019_power.opt.i [2024-11-19 05:41:47,313 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 05:41:47,617 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 05:41:47,618 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe019_power.opt.i [2024-11-19 05:41:47,642 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5754a8e76/7d814a8107fc49039d0afd5e89eeebed/FLAG7d9d25de1 [2024-11-19 05:41:47,660 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5754a8e76/7d814a8107fc49039d0afd5e89eeebed [2024-11-19 05:41:47,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 05:41:47,665 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 05:41:47,668 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 05:41:47,668 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 05:41:47,673 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 05:41:47,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:41:47" (1/1) ... [2024-11-19 05:41:47,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cdecc44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:47, skipping insertion in model container [2024-11-19 05:41:47,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:41:47" (1/1) ... [2024-11-19 05:41:47,725 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 05:41:48,319 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:41:48,335 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 05:41:48,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 05:41:48,483 INFO L204 MainTranslator]: Completed translation [2024-11-19 05:41:48,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:48 WrapperNode [2024-11-19 05:41:48,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 05:41:48,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 05:41:48,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 05:41:48,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 05:41:48,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:48" (1/1) ... [2024-11-19 05:41:48,525 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:48" (1/1) ... [2024-11-19 05:41:48,573 INFO L138 Inliner]: procedures = 176, calls = 73, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 563 [2024-11-19 05:41:48,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 05:41:48,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 05:41:48,575 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 05:41:48,575 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 05:41:48,584 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:48" (1/1) ... [2024-11-19 05:41:48,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:48" (1/1) ... [2024-11-19 05:41:48,600 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:48" (1/1) ... [2024-11-19 05:41:48,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:48" (1/1) ... [2024-11-19 05:41:48,650 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:48" (1/1) ... [2024-11-19 05:41:48,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:48" (1/1) ... [2024-11-19 05:41:48,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:48" (1/1) ... [2024-11-19 05:41:48,672 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:48" (1/1) ... [2024-11-19 05:41:48,684 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 05:41:48,685 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 05:41:48,685 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 05:41:48,685 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 05:41:48,686 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:48" (1/1) ... [2024-11-19 05:41:48,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 05:41:48,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 05:41:48,730 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) [2024-11-19 05:41:48,737 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 [2024-11-19 05:41:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-19 05:41:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-19 05:41:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-19 05:41:48,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 05:41:48,787 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-19 05:41:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-19 05:41:48,787 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-19 05:41:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-19 05:41:48,787 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-19 05:41:48,787 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-19 05:41:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-19 05:41:48,788 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-19 05:41:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-19 05:41:48,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-19 05:41:48,789 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 05:41:48,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 05:41:48,793 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-19 05:41:49,052 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 05:41:49,054 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 05:41:51,217 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-19 05:41:51,217 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 05:42:01,408 WARN L1754 r$LargeBlockEncoding]: Complex 5:117 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-19 05:42:03,119 WARN L1754 r$LargeBlockEncoding]: Complex 3:22 sequential composition. Such compositions can cause exponential blowup and should not occur in structured programs. [2024-11-19 05:42:03,174 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 05:42:03,174 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 05:42:03,175 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:42:03 BoogieIcfgContainer [2024-11-19 05:42:03,175 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 05:42:03,177 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 05:42:03,177 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 05:42:03,185 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 05:42:03,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:41:47" (1/3) ... [2024-11-19 05:42:03,186 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fee4391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:42:03, skipping insertion in model container [2024-11-19 05:42:03,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:41:48" (2/3) ... [2024-11-19 05:42:03,187 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fee4391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:42:03, skipping insertion in model container [2024-11-19 05:42:03,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:42:03" (3/3) ... [2024-11-19 05:42:03,190 INFO L112 eAbstractionObserver]: Analyzing ICFG safe019_power.opt.i [2024-11-19 05:42:03,210 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 05:42:03,210 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 403 error locations. [2024-11-19 05:42:03,210 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-19 05:42:06,016 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-19 05:42:06,076 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 560 places, 1062 transitions, 2140 flow [2024-11-19 05:42:07,379 INFO L124 PetriNetUnfolderBase]: 515/1058 cut-off events. [2024-11-19 05:42:07,379 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:42:07,427 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. [2024-11-19 05:42:07,428 INFO L82 GeneralOperation]: Start removeDead. Operand has 560 places, 1062 transitions, 2140 flow [2024-11-19 05:42:07,542 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 556 places, 1058 transitions, 2128 flow [2024-11-19 05:42:07,555 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 05:42:07,562 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;@c2fe861, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 05:42:07,562 INFO L334 AbstractCegarLoop]: Starting to check reachability of 765 error locations. [2024-11-19 05:42:07,570 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-19 05:42:07,571 INFO L124 PetriNetUnfolderBase]: 0/64 cut-off events. [2024-11-19 05:42:07,571 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:42:07,571 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:42:07,572 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] [2024-11-19 05:42:07,572 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 761 more)] === [2024-11-19 05:42:07,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:42:07,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1671227897, now seen corresponding path program 1 times [2024-11-19 05:42:07,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:42:07,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137051584] [2024-11-19 05:42:07,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:42:07,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:42:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:42:07,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:42:07,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:42:07,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137051584] [2024-11-19 05:42:07,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137051584] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:42:07,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:42:07,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-19 05:42:07,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33456714] [2024-11-19 05:42:07,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:42:07,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 05:42:07,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:42:08,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 05:42:08,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 05:42:08,028 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 1062 [2024-11-19 05:42:08,031 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) [2024-11-19 05:42:08,031 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:42:08,031 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 1062 [2024-11-19 05:42:08,032 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:42:33,528 INFO L124 PetriNetUnfolderBase]: 5524/12842 cut-off events. [2024-11-19 05:42:33,529 INFO L125 PetriNetUnfolderBase]: For 101/101 co-relation queries the response was YES. [2024-11-19 05:42:33,591 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. [2024-11-19 05:42:33,653 INFO L140 encePairwiseOnDemand]: 152/1062 looper letters, 26 selfloop transitions, 0 changer transitions 0/146 dead transitions. [2024-11-19 05:42:33,654 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 146 transitions, 356 flow [2024-11-19 05:42:33,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 05:42:33,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2024-11-19 05:42:33,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1186 transitions. [2024-11-19 05:42:33,677 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5583804143126178 [2024-11-19 05:42:33,681 INFO L175 Difference]: Start difference. First operand has 556 places, 1058 transitions, 2128 flow. Second operand 2 states and 1186 transitions. [2024-11-19 05:42:33,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 146 transitions, 356 flow [2024-11-19 05:42:33,686 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 150 places, 146 transitions, 352 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-19 05:42:33,690 INFO L231 Difference]: Finished difference. Result has 150 places, 146 transitions, 300 flow [2024-11-19 05:42:33,693 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} [2024-11-19 05:42:33,696 INFO L277 CegarLoopForPetriNet]: 556 programPoint places, -406 predicate places. [2024-11-19 05:42:33,697 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 146 transitions, 300 flow [2024-11-19 05:42:33,698 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) [2024-11-19 05:42:33,698 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:42:33,698 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] [2024-11-19 05:42:33,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 05:42:33,699 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)] === [2024-11-19 05:42:33,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:42:33,701 INFO L85 PathProgramCache]: Analyzing trace with hash -780205086, now seen corresponding path program 1 times [2024-11-19 05:42:33,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:42:33,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734746080] [2024-11-19 05:42:33,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:42:33,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:42:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:42:33,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:42:33,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:42:33,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734746080] [2024-11-19 05:42:33,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734746080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:42:33,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:42:33,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:42:33,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379170569] [2024-11-19 05:42:33,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:42:33,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:42:33,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:42:33,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:42:33,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:42:33,927 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 1062 [2024-11-19 05:42:33,928 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) [2024-11-19 05:42:33,928 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:42:33,928 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 1062 [2024-11-19 05:42:33,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-19 05:43:05,940 INFO L124 PetriNetUnfolderBase]: 8308/18293 cut-off events. [2024-11-19 05:43:05,941 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-19 05:43:05,995 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. [2024-11-19 05:43:06,082 INFO L140 encePairwiseOnDemand]: 1060/1062 looper letters, 46 selfloop transitions, 1 changer transitions 0/164 dead transitions. [2024-11-19 05:43:06,083 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 164 transitions, 430 flow [2024-11-19 05:43:06,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 05:43:06,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-19 05:43:06,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 414 transitions. [2024-11-19 05:43:06,087 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.12994350282485875 [2024-11-19 05:43:06,087 INFO L175 Difference]: Start difference. First operand has 150 places, 146 transitions, 300 flow. Second operand 3 states and 414 transitions. [2024-11-19 05:43:06,087 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 164 transitions, 430 flow [2024-11-19 05:43:06,090 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 151 places, 164 transitions, 430 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-19 05:43:06,093 INFO L231 Difference]: Finished difference. Result has 151 places, 145 transitions, 300 flow [2024-11-19 05:43:06,094 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} [2024-11-19 05:43:06,095 INFO L277 CegarLoopForPetriNet]: 556 programPoint places, -405 predicate places. [2024-11-19 05:43:06,095 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 145 transitions, 300 flow [2024-11-19 05:43:06,096 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) [2024-11-19 05:43:06,096 INFO L196 CegarLoopForPetriNet]: Found error trace [2024-11-19 05:43:06,097 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] [2024-11-19 05:43:06,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 05:43:06,097 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)] === [2024-11-19 05:43:06,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 05:43:06,100 INFO L85 PathProgramCache]: Analyzing trace with hash 165324348, now seen corresponding path program 1 times [2024-11-19 05:43:06,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 05:43:06,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523991185] [2024-11-19 05:43:06,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 05:43:06,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 05:43:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 05:43:06,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 05:43:06,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 05:43:06,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523991185] [2024-11-19 05:43:06,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523991185] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 05:43:06,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 05:43:06,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 05:43:06,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034933534] [2024-11-19 05:43:06,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 05:43:06,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 05:43:06,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 05:43:06,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 05:43:06,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 05:43:06,365 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 1062 [2024-11-19 05:43:06,366 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) [2024-11-19 05:43:06,366 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-19 05:43:06,366 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 1062 [2024-11-19 05:43:06,366 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand