./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-wmm/safe002_power.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/safe002_power.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 7a9379df521a7077d18fd2276dc35da388f77854d23421e689a681d711c31769 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e9b64cc-m [2023-11-18 16:15:33,743 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-18 16:15:33,812 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-18 16:15:33,817 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-18 16:15:33,817 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-18 16:15:33,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-18 16:15:33,844 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-18 16:15:33,845 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-18 16:15:33,845 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-18 16:15:33,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-18 16:15:33,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-18 16:15:33,849 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-18 16:15:33,850 INFO L153 SettingsManager]: * Use SBE=true [2023-11-18 16:15:33,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-18 16:15:33,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-18 16:15:33,851 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-18 16:15:33,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-18 16:15:33,851 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-18 16:15:33,852 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-18 16:15:33,852 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-18 16:15:33,852 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-18 16:15:33,852 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-18 16:15:33,853 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-18 16:15:33,853 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-18 16:15:33,853 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-18 16:15:33,853 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-18 16:15:33,854 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-18 16:15:33,854 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-18 16:15:33,854 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-18 16:15:33,854 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-18 16:15:33,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-18 16:15:33,856 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-18 16:15:33,856 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-18 16:15:33,856 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-18 16:15:33,856 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-18 16:15:33,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-18 16:15:33,856 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-18 16:15:33,857 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-18 16:15:33,857 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-18 16:15:33,857 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-18 16:15:33,857 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-18 16:15:33,857 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a9379df521a7077d18fd2276dc35da388f77854d23421e689a681d711c31769 [2023-11-18 16:15:34,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-18 16:15:34,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-18 16:15:34,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-18 16:15:34,074 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-18 16:15:34,074 INFO L274 PluginConnector]: CDTParser initialized [2023-11-18 16:15:34,075 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe002_power.oepc.i [2023-11-18 16:15:35,054 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-18 16:15:35,232 INFO L384 CDTParser]: Found 1 translation units. [2023-11-18 16:15:35,233 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe002_power.oepc.i [2023-11-18 16:15:35,251 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44dcb4d49/06c063f2e16c4d138faef0c4452f4908/FLAGfa3b9b392 [2023-11-18 16:15:35,270 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/44dcb4d49/06c063f2e16c4d138faef0c4452f4908 [2023-11-18 16:15:35,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-18 16:15:35,274 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-18 16:15:35,275 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-18 16:15:35,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-18 16:15:35,279 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-18 16:15:35,280 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:15:35" (1/1) ... [2023-11-18 16:15:35,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@535d1cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:15:35, skipping insertion in model container [2023-11-18 16:15:35,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:15:35" (1/1) ... [2023-11-18 16:15:35,316 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-18 16:15:35,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-18 16:15:35,648 INFO L202 MainTranslator]: Completed pre-run [2023-11-18 16:15:35,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-18 16:15:35,783 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-18 16:15:35,783 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-18 16:15:35,789 INFO L206 MainTranslator]: Completed translation [2023-11-18 16:15:35,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:15:35 WrapperNode [2023-11-18 16:15:35,789 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-18 16:15:35,790 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-18 16:15:35,790 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-18 16:15:35,790 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-18 16:15:35,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:15:35" (1/1) ... [2023-11-18 16:15:35,825 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:15:35" (1/1) ... [2023-11-18 16:15:35,851 INFO L138 Inliner]: procedures = 176, calls = 85, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 797 [2023-11-18 16:15:35,851 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-18 16:15:35,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-18 16:15:35,852 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-18 16:15:35,852 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-18 16:15:35,859 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:15:35" (1/1) ... [2023-11-18 16:15:35,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:15:35" (1/1) ... [2023-11-18 16:15:35,865 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:15:35" (1/1) ... [2023-11-18 16:15:35,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:15:35" (1/1) ... [2023-11-18 16:15:35,917 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:15:35" (1/1) ... [2023-11-18 16:15:35,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:15:35" (1/1) ... [2023-11-18 16:15:35,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:15:35" (1/1) ... [2023-11-18 16:15:35,948 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:15:35" (1/1) ... [2023-11-18 16:15:35,955 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-18 16:15:35,956 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-18 16:15:35,956 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-18 16:15:35,956 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-18 16:15:35,957 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:15:35" (1/1) ... [2023-11-18 16:15:35,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-18 16:15:35,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-18 16:15:35,987 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 16:15:36,005 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 16:15:36,026 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-18 16:15:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-18 16:15:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-18 16:15:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-18 16:15:36,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-18 16:15:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-18 16:15:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-18 16:15:36,028 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-18 16:15:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-18 16:15:36,028 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-18 16:15:36,028 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-18 16:15:36,028 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-18 16:15:36,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-18 16:15:36,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-18 16:15:36,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-18 16:15:36,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-18 16:15:36,032 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 16:15:36,238 INFO L237 CfgBuilder]: Building ICFG [2023-11-18 16:15:36,240 INFO L263 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-18 16:15:37,811 INFO L278 CfgBuilder]: Performing block encoding [2023-11-18 16:16:04,251 INFO L298 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-18 16:16:04,251 INFO L303 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-18 16:16:04,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:16:04 BoogieIcfgContainer [2023-11-18 16:16:04,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-18 16:16:04,257 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-18 16:16:04,258 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-18 16:16:04,260 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-18 16:16:04,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:15:35" (1/3) ... [2023-11-18 16:16:04,260 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2613f7f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:16:04, skipping insertion in model container [2023-11-18 16:16:04,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:15:35" (2/3) ... [2023-11-18 16:16:04,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2613f7f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:16:04, skipping insertion in model container [2023-11-18 16:16:04,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:16:04" (3/3) ... [2023-11-18 16:16:04,262 INFO L112 eAbstractionObserver]: Analyzing ICFG safe002_power.oepc.i [2023-11-18 16:16:04,269 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-18 16:16:04,275 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-18 16:16:04,276 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 449 error locations. [2023-11-18 16:16:04,276 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-18 16:16:05,057 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-18 16:16:05,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 593 places, 586 transitions, 1184 flow [2023-11-18 16:16:05,398 INFO L124 PetriNetUnfolderBase]: 3/583 cut-off events. [2023-11-18 16:16:05,398 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-18 16:16:05,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 593 conditions, 583 events. 3/583 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 4371 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 529. Up to 2 conditions per place. [2023-11-18 16:16:05,415 INFO L82 GeneralOperation]: Start removeDead. Operand has 593 places, 586 transitions, 1184 flow [2023-11-18 16:16:05,448 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 590 places, 583 transitions, 1175 flow [2023-11-18 16:16:05,455 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-18 16:16:05,467 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 590 places, 583 transitions, 1175 flow [2023-11-18 16:16:05,472 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 590 places, 583 transitions, 1175 flow [2023-11-18 16:16:05,472 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 590 places, 583 transitions, 1175 flow [2023-11-18 16:16:05,879 INFO L124 PetriNetUnfolderBase]: 3/583 cut-off events. [2023-11-18 16:16:05,879 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-18 16:16:05,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 593 conditions, 583 events. 3/583 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 4376 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 529. Up to 2 conditions per place. [2023-11-18 16:16:05,920 INFO L119 LiptonReduction]: Number of co-enabled transitions 189250 [2023-11-18 16:17:45,440 WARN L293 SmtUtils]: Spent 1.66m 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 16:18:36,919 WARN L293 SmtUtils]: Spent 51.47s 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 16:21:02,112 WARN L293 SmtUtils]: Spent 2.42m 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 16:22:14,609 WARN L293 SmtUtils]: Spent 1.21m 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 16:23:32,737 WARN L293 SmtUtils]: Spent 1.01m 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 16:23:52,864 WARN L293 SmtUtils]: Spent 20.11s 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 16:25:27,491 WARN L293 SmtUtils]: Spent 1.58m 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 16:26:05,976 WARN L293 SmtUtils]: Spent 38.46s 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 16:26:37,095 WARN L293 SmtUtils]: Spent 22.48s on a formula simplification. DAG size of input: 983 DAG size of output: 794 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-18 16:26:47,991 WARN L293 SmtUtils]: Spent 10.89s on a formula simplification that was a NOOP. DAG size: 794 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-18 16:27:20,016 WARN L293 SmtUtils]: Spent 32.01s on a formula simplification. DAG size of input: 1199 DAG size of output: 991 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-18 16:27:35,414 WARN L293 SmtUtils]: Spent 15.39s on a formula simplification that was a NOOP. DAG size: 991 (called from [L 302] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-18 16:28:38,023 WARN L293 SmtUtils]: Spent 54.38s 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 16:29:29,633 WARN L293 SmtUtils]: Spent 51.60s 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) Killed by 15