./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe009_rmo.oepc.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/safe009_rmo.oepc.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d4dfc0bbdb080812f042fcb42d1e3b37e9e0d49ae456458f71f0b25bb99756b4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e9b64cc-m [2023-11-18 16:21:36,663 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-18 16:21:36,749 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-18 16:21:36,755 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-18 16:21:36,755 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-18 16:21:36,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-18 16:21:36,789 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-18 16:21:36,790 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-18 16:21:36,790 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-18 16:21:36,794 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-18 16:21:36,795 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-18 16:21:36,795 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-18 16:21:36,796 INFO L153 SettingsManager]: * Use SBE=true [2023-11-18 16:21:36,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-18 16:21:36,797 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-18 16:21:36,798 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-18 16:21:36,798 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-18 16:21:36,798 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-18 16:21:36,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-18 16:21:36,799 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-18 16:21:36,799 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-18 16:21:36,799 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-18 16:21:36,800 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-18 16:21:36,801 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-18 16:21:36,801 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-18 16:21:36,801 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-18 16:21:36,802 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-18 16:21:36,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-18 16:21:36,802 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-18 16:21:36,803 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-18 16:21:36,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-18 16:21:36,804 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-18 16:21:36,804 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-18 16:21:36,804 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-18 16:21:36,805 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-18 16:21:36,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-18 16:21:36,805 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-18 16:21:36,805 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-18 16:21:36,805 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-18 16:21:36,806 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-18 16:21:36,806 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-18 16:21:36,806 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d4dfc0bbdb080812f042fcb42d1e3b37e9e0d49ae456458f71f0b25bb99756b4 [2023-11-18 16:21:37,107 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-18 16:21:37,131 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-18 16:21:37,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-18 16:21:37,134 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-18 16:21:37,136 INFO L274 PluginConnector]: CDTParser initialized [2023-11-18 16:21:37,138 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe009_rmo.oepc.i [2023-11-18 16:21:38,307 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-18 16:21:38,546 INFO L384 CDTParser]: Found 1 translation units. [2023-11-18 16:21:38,547 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe009_rmo.oepc.i [2023-11-18 16:21:38,580 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4c984369/0a49eb16992e4904ae9ee51dff2367e4/FLAG5b72e9ad9 [2023-11-18 16:21:38,591 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a4c984369/0a49eb16992e4904ae9ee51dff2367e4 [2023-11-18 16:21:38,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-18 16:21:38,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-18 16:21:38,595 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-18 16:21:38,595 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-18 16:21:38,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-18 16:21:38,600 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:21:38" (1/1) ... [2023-11-18 16:21:38,601 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b2733a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:38, skipping insertion in model container [2023-11-18 16:21:38,602 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:21:38" (1/1) ... [2023-11-18 16:21:38,640 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-18 16:21:39,096 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-18 16:21:39,112 INFO L202 MainTranslator]: Completed pre-run [2023-11-18 16:21:39,245 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-18 16:21:39,276 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-18 16:21:39,276 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-18 16:21:39,283 INFO L206 MainTranslator]: Completed translation [2023-11-18 16:21:39,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:39 WrapperNode [2023-11-18 16:21:39,284 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-18 16:21:39,285 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-18 16:21:39,286 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-18 16:21:39,286 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-18 16:21:39,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:39" (1/1) ... [2023-11-18 16:21:39,332 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:39" (1/1) ... [2023-11-18 16:21:39,384 INFO L138 Inliner]: procedures = 176, calls = 75, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 790 [2023-11-18 16:21:39,384 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-18 16:21:39,385 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-18 16:21:39,385 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-18 16:21:39,385 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-18 16:21:39,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:39" (1/1) ... [2023-11-18 16:21:39,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:39" (1/1) ... [2023-11-18 16:21:39,415 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:39" (1/1) ... [2023-11-18 16:21:39,420 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:39" (1/1) ... [2023-11-18 16:21:39,457 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:39" (1/1) ... [2023-11-18 16:21:39,466 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:39" (1/1) ... [2023-11-18 16:21:39,470 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:39" (1/1) ... [2023-11-18 16:21:39,475 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:39" (1/1) ... [2023-11-18 16:21:39,484 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-18 16:21:39,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-18 16:21:39,485 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-18 16:21:39,485 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-18 16:21:39,486 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:39" (1/1) ... [2023-11-18 16:21:39,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-18 16:21:39,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-18 16:21:39,542 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 16:21:39,566 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 16:21:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-18 16:21:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-18 16:21:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-18 16:21:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-18 16:21:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-18 16:21:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-18 16:21:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-18 16:21:39,597 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-18 16:21:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-18 16:21:39,598 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-18 16:21:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-18 16:21:39,598 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-18 16:21:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-18 16:21:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-18 16:21:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-18 16:21:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-18 16:21:39,603 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 16:21:39,847 INFO L237 CfgBuilder]: Building ICFG [2023-11-18 16:21:39,850 INFO L263 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-18 16:21:41,360 INFO L278 CfgBuilder]: Performing block encoding [2023-11-18 16:21:57,986 INFO L298 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-18 16:21:57,987 INFO L303 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-18 16:21:57,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:21:57 BoogieIcfgContainer [2023-11-18 16:21:57,993 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-18 16:21:57,995 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-18 16:21:57,995 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-18 16:21:57,998 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-18 16:21:57,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:21:38" (1/3) ... [2023-11-18 16:21:57,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bceb837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:21:57, skipping insertion in model container [2023-11-18 16:21:57,999 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:21:39" (2/3) ... [2023-11-18 16:21:57,999 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bceb837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:21:57, skipping insertion in model container [2023-11-18 16:21:58,000 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:21:57" (3/3) ... [2023-11-18 16:21:58,001 INFO L112 eAbstractionObserver]: Analyzing ICFG safe009_rmo.oepc.i [2023-11-18 16:21:58,010 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-18 16:21:58,018 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-18 16:21:58,019 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 303 error locations. [2023-11-18 16:21:58,019 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-18 16:21:58,462 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-18 16:21:58,496 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 445 places, 438 transitions, 888 flow [2023-11-18 16:21:58,769 INFO L124 PetriNetUnfolderBase]: 3/435 cut-off events. [2023-11-18 16:21:58,770 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-18 16:21:58,782 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 435 events. 3/435 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 2669 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 382. Up to 2 conditions per place. [2023-11-18 16:21:58,782 INFO L82 GeneralOperation]: Start removeDead. Operand has 445 places, 438 transitions, 888 flow [2023-11-18 16:21:58,805 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 442 places, 435 transitions, 879 flow [2023-11-18 16:21:58,808 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-18 16:21:58,819 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 442 places, 435 transitions, 879 flow [2023-11-18 16:21:58,822 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 442 places, 435 transitions, 879 flow [2023-11-18 16:21:58,822 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 442 places, 435 transitions, 879 flow [2023-11-18 16:21:59,006 INFO L124 PetriNetUnfolderBase]: 3/435 cut-off events. [2023-11-18 16:21:59,006 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-18 16:21:59,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 445 conditions, 435 events. 3/435 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 2676 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 382. Up to 2 conditions per place. [2023-11-18 16:21:59,039 INFO L119 LiptonReduction]: Number of co-enabled transitions 89406 [2023-11-18 16:23:41,891 WARN L293 SmtUtils]: Spent 1.71m on a formula simplification. DAG size of input: 1096 DAG size of output: 898 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-18 16:24:34,480 WARN L293 SmtUtils]: Spent 52.57s on a formula simplification that was a NOOP. DAG size: 898 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-18 16:27:43,328 WARN L293 SmtUtils]: Spent 3.15m on a formula simplification. DAG size of input: 1328 DAG size of output: 1111 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-18 16:28:46,016 WARN L293 SmtUtils]: Spent 1.04m on a formula simplification that was a NOOP. DAG size: 1111 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-18 16:29:16,568 WARN L293 SmtUtils]: Spent 21.39s on a formula simplification. DAG size of input: 989 DAG size of output: 800 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-18 16:29:27,383 WARN L293 SmtUtils]: Spent 10.81s on a formula simplification that was a NOOP. DAG size: 800 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-18 16:30:11,194 WARN L293 SmtUtils]: Spent 43.80s on a formula simplification. DAG size of input: 1205 DAG size of output: 996 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-18 16:30:26,159 WARN L293 SmtUtils]: Spent 14.95s on a formula simplification that was a NOOP. DAG size: 996 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-18 16:31:26,481 WARN L293 SmtUtils]: Spent 51.21s on a formula simplification that was a NOOP. DAG size: 901 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-18 16:32:17,573 WARN L293 SmtUtils]: Spent 51.08s on a formula simplification that was a NOOP. DAG size: 901 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-18 16:33:22,333 WARN L293 SmtUtils]: Spent 1.08m on a formula simplification that was a NOOP. DAG size: 1114 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-18 16:34:26,301 WARN L293 SmtUtils]: Spent 1.07m on a formula simplification that was a NOOP. DAG size: 1114 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Killed by 15