./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe016_power.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e9b64cc0 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 ../../../trunk/examples/svcomp/pthread-wmm/safe016_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 6b69d29db6700923687b32c5d8fab6e8f05fe2198d87348098263d957793e472 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e9b64cc-m [2023-11-18 16:29:47,366 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-18 16:29:47,441 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-18 16:29:47,451 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-18 16:29:47,452 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-18 16:29:47,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-18 16:29:47,482 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-18 16:29:47,482 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-18 16:29:47,483 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-18 16:29:47,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-18 16:29:47,487 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-18 16:29:47,488 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-18 16:29:47,488 INFO L153 SettingsManager]: * Use SBE=true [2023-11-18 16:29:47,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-18 16:29:47,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-18 16:29:47,490 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-18 16:29:47,491 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-18 16:29:47,491 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-18 16:29:47,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-18 16:29:47,491 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-18 16:29:47,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-18 16:29:47,492 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-18 16:29:47,492 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-18 16:29:47,493 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-18 16:29:47,493 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-18 16:29:47,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-18 16:29:47,494 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-18 16:29:47,494 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-18 16:29:47,495 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-18 16:29:47,495 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-18 16:29:47,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-18 16:29:47,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-18 16:29:47,497 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-18 16:29:47,497 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-18 16:29:47,497 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-18 16:29:47,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-18 16:29:47,498 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-18 16:29:47,498 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-18 16:29:47,498 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-18 16:29:47,498 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-18 16:29:47,499 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-18 16:29:47,499 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b69d29db6700923687b32c5d8fab6e8f05fe2198d87348098263d957793e472 [2023-11-18 16:29:47,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-18 16:29:47,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-18 16:29:47,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-18 16:29:47,737 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-18 16:29:47,737 INFO L274 PluginConnector]: CDTParser initialized [2023-11-18 16:29:47,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe016_power.opt.i [2023-11-18 16:29:48,964 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-18 16:29:49,200 INFO L384 CDTParser]: Found 1 translation units. [2023-11-18 16:29:49,203 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_power.opt.i [2023-11-18 16:29:49,216 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78d9c8ceb/3594807d72824ae4a590ff8ae391b003/FLAG4e4284cb5 [2023-11-18 16:29:49,228 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78d9c8ceb/3594807d72824ae4a590ff8ae391b003 [2023-11-18 16:29:49,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-18 16:29:49,231 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-18 16:29:49,232 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-18 16:29:49,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-18 16:29:49,235 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-18 16:29:49,236 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:29:49" (1/1) ... [2023-11-18 16:29:49,237 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20ed029d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:29:49, skipping insertion in model container [2023-11-18 16:29:49,237 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:29:49" (1/1) ... [2023-11-18 16:29:49,283 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-18 16:29:49,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-18 16:29:49,740 INFO L202 MainTranslator]: Completed pre-run [2023-11-18 16:29:49,859 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-18 16:29:49,960 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-18 16:29:49,971 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-18 16:29:49,979 INFO L206 MainTranslator]: Completed translation [2023-11-18 16:29:49,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:29:49 WrapperNode [2023-11-18 16:29:49,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-18 16:29:49,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-18 16:29:49,982 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-18 16:29:49,982 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-18 16:29:49,988 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:29:49" (1/1) ... [2023-11-18 16:29:50,054 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:29:49" (1/1) ... [2023-11-18 16:29:50,097 INFO L138 Inliner]: procedures = 177, calls = 92, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 811 [2023-11-18 16:29:50,097 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-18 16:29:50,098 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-18 16:29:50,098 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-18 16:29:50,108 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-18 16:29:50,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:29:49" (1/1) ... [2023-11-18 16:29:50,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:29:49" (1/1) ... [2023-11-18 16:29:50,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:29:49" (1/1) ... [2023-11-18 16:29:50,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:29:49" (1/1) ... [2023-11-18 16:29:50,197 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:29:49" (1/1) ... [2023-11-18 16:29:50,210 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:29:49" (1/1) ... [2023-11-18 16:29:50,215 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:29:49" (1/1) ... [2023-11-18 16:29:50,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:29:49" (1/1) ... [2023-11-18 16:29:50,234 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-18 16:29:50,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-18 16:29:50,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-18 16:29:50,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-18 16:29:50,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:29:49" (1/1) ... [2023-11-18 16:29:50,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-18 16:29:50,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-18 16:29:50,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-18 16:29:50,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-18 16:29:50,331 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-18 16:29:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-18 16:29:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-18 16:29:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-18 16:29:50,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-18 16:29:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-18 16:29:50,333 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-18 16:29:50,333 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-18 16:29:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-18 16:29:50,334 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-18 16:29:50,334 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-18 16:29:50,334 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-18 16:29:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-18 16:29:50,336 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-18 16:29:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-18 16:29:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-18 16:29:50,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-18 16:29:50,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-18 16:29:50,339 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-18 16:29:50,609 INFO L237 CfgBuilder]: Building ICFG [2023-11-18 16:29:50,610 INFO L263 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-18 16:29:52,458 INFO L278 CfgBuilder]: Performing block encoding [2023-11-18 16:30:11,777 INFO L298 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-18 16:30:11,777 INFO L303 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-18 16:30:11,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:30:11 BoogieIcfgContainer [2023-11-18 16:30:11,782 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-18 16:30:11,784 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-18 16:30:11,784 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-18 16:30:11,787 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-18 16:30:11,787 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:29:49" (1/3) ... [2023-11-18 16:30:11,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@110cfdfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:30:11, skipping insertion in model container [2023-11-18 16:30:11,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:29:49" (2/3) ... [2023-11-18 16:30:11,788 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@110cfdfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:30:11, skipping insertion in model container [2023-11-18 16:30:11,788 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:30:11" (3/3) ... [2023-11-18 16:30:11,789 INFO L112 eAbstractionObserver]: Analyzing ICFG safe016_power.opt.i [2023-11-18 16:30:11,796 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-18 16:30:11,803 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-18 16:30:11,804 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 412 error locations. [2023-11-18 16:30:11,804 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-18 16:30:12,576 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-18 16:30:12,611 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 577 places, 567 transitions, 1150 flow [2023-11-18 16:30:13,023 INFO L124 PetriNetUnfolderBase]: 3/563 cut-off events. [2023-11-18 16:30:13,024 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-18 16:30:13,043 INFO L83 FinitePrefix]: Finished finitePrefix Result has 576 conditions, 563 events. 3/563 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 3905 event pairs, 0 based on Foata normal form. 0/148 useless extension candidates. Maximal degree in co-relation 508. Up to 2 conditions per place. [2023-11-18 16:30:13,044 INFO L82 GeneralOperation]: Start removeDead. Operand has 577 places, 567 transitions, 1150 flow [2023-11-18 16:30:13,075 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 573 places, 563 transitions, 1138 flow [2023-11-18 16:30:13,079 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-18 16:30:13,091 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 573 places, 563 transitions, 1138 flow [2023-11-18 16:30:13,095 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 573 places, 563 transitions, 1138 flow [2023-11-18 16:30:13,095 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 573 places, 563 transitions, 1138 flow [2023-11-18 16:30:13,561 INFO L124 PetriNetUnfolderBase]: 3/563 cut-off events. [2023-11-18 16:30:13,561 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-18 16:30:13,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 576 conditions, 563 events. 3/563 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 3899 event pairs, 0 based on Foata normal form. 0/148 useless extension candidates. Maximal degree in co-relation 508. Up to 2 conditions per place. [2023-11-18 16:30:13,616 INFO L119 LiptonReduction]: Number of co-enabled transitions 164980 [2023-11-18 16:31:54,334 WARN L293 SmtUtils]: Spent 1.67m on a formula simplification. DAG size of input: 1117 DAG size of output: 919 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-18 16:32:44,488 WARN L293 SmtUtils]: Spent 50.14s on a formula simplification that was a NOOP. DAG size: 919 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-18 16:34:57,371 WARN L293 SmtUtils]: Spent 2.21m on a formula simplification. DAG size of input: 1353 DAG size of output: 1136 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-18 16:36:00,890 WARN L293 SmtUtils]: Spent 1.06m on a formula simplification that was a NOOP. DAG size: 1136 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-18 16:37:54,413 WARN L293 SmtUtils]: Spent 1.40m on a formula simplification. DAG size of input: 1473 DAG size of output: 1072 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-18 16:38:19,016 WARN L293 SmtUtils]: Spent 24.59s on a formula simplification that was a NOOP. DAG size: 1072 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-18 16:39:50,342 WARN L293 SmtUtils]: Spent 1.52m on a formula simplification. DAG size of input: 1821 DAG size of output: 1486 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-18 16:40:35,188 WARN L293 SmtUtils]: Spent 44.82s on a formula simplification that was a NOOP. DAG size: 1486 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-18 16:41:29,113 WARN L293 SmtUtils]: Spent 52.41s on a formula simplification that was a NOOP. DAG size: 922 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-18 16:42:20,183 WARN L293 SmtUtils]: Spent 51.06s on a formula simplification that was a NOOP. DAG size: 922 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-18 16:43:29,440 WARN L293 SmtUtils]: Spent 1.15m on a formula simplification that was a NOOP. DAG size: 1139 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Killed by 15