/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/Termination.epf -tc ../../../trunk/examples/toolchains/BuchiAutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-a4216cd-m [2025-04-26 16:32:00,179 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 16:32:00,227 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/Termination.epf [2025-04-26 16:32:00,235 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 16:32:00,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 16:32:00,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Check unreachability of error function in SV-COMP mode [2025-04-26 16:32:00,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Translation Mode: [2025-04-26 16:32:00,247 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 16:32:00,247 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 16:32:00,247 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 16:32:00,248 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 16:32:00,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 16:32:00,248 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 16:32:00,248 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 16:32:00,248 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 16:32:00,248 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 16:32:00,248 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 16:32:00,248 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 16:32:00,248 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 16:32:00,248 INFO L153 SettingsManager]: * Automaton type for concurrent programs=PARTIAL_ORDER_BA [2025-04-26 16:32:00,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 16:32:00,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 16:32:00,248 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 16:32:00,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 16:32:00,248 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 16:32:00,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 16:32:00,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 16:32:00,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 16:32:00,249 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 16:32:00,249 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 16:32:00,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 16:32:00,249 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 16:32:00,249 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 16:32:00,249 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 16:32:00,249 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 16:32:00,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 16:32:00,249 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 16:32:00,249 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 16:32:00,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-26 16:32:00,249 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-26 16:32:00,249 INFO L153 SettingsManager]: * Use conditional POR in concurrent analysis=false [2025-04-26 16:32:00,250 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 16:32:00,250 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 16:32:00,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 16:32:00,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 16:32:00,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 16:32:00,477 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-26 16:32:00,477 INFO L274 PluginConnector]: CDTParser initialized [2025-04-26 16:32:00,477 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2025-04-26 16:32:01,667 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7eca2a9ff/b001eb7fbf7e4272add3bcd7ef5802df/FLAGf67c86472 [2025-04-26 16:32:01,964 INFO L389 CDTParser]: Found 1 translation units. [2025-04-26 16:32:01,964 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2025-04-26 16:32:01,980 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7eca2a9ff/b001eb7fbf7e4272add3bcd7ef5802df/FLAGf67c86472 [2025-04-26 16:32:02,668 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7eca2a9ff/b001eb7fbf7e4272add3bcd7ef5802df [2025-04-26 16:32:02,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 16:32:02,671 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-26 16:32:02,672 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-26 16:32:02,672 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-26 16:32:02,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-26 16:32:02,675 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.04 04:32:02" (1/1) ... [2025-04-26 16:32:02,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d05b339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:32:02, skipping insertion in model container [2025-04-26 16:32:02,676 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.04 04:32:02" (1/1) ... [2025-04-26 16:32:02,705 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-26 16:32:03,165 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i[63614,63627] [2025-04-26 16:32:03,184 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-26 16:32:03,196 INFO L200 MainTranslator]: Completed pre-run [2025-04-26 16:32:03,253 WARN L116 LibraryModelHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i[63614,63627] [2025-04-26 16:32:03,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-26 16:32:03,330 INFO L204 MainTranslator]: Completed translation [2025-04-26 16:32:03,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:32:03 WrapperNode [2025-04-26 16:32:03,330 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-26 16:32:03,331 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 16:32:03,332 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 16:32:03,332 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 16:32:03,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:32:03" (1/1) ... [2025-04-26 16:32:03,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:32:03" (1/1) ... [2025-04-26 16:32:03,440 INFO L138 Inliner]: procedures = 396, calls = 206, calls flagged for inlining = 52, calls inlined = 211, statements flattened = 3659 [2025-04-26 16:32:03,440 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 16:32:03,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 16:32:03,441 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 16:32:03,441 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 16:32:03,449 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:32:03" (1/1) ... [2025-04-26 16:32:03,450 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:32:03" (1/1) ... [2025-04-26 16:32:03,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:32:03" (1/1) ... [2025-04-26 16:32:03,467 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:32:03" (1/1) ... [2025-04-26 16:32:03,545 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:32:03" (1/1) ... [2025-04-26 16:32:03,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:32:03" (1/1) ... [2025-04-26 16:32:03,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:32:03" (1/1) ... [2025-04-26 16:32:03,583 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:32:03" (1/1) ... [2025-04-26 16:32:03,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:32:03" (1/1) ... [2025-04-26 16:32:03,610 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 16:32:03,612 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 16:32:03,612 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 16:32:03,612 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 16:32:03,613 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:32:03" (1/1) ... [2025-04-26 16:32:03,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 16:32:03,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:32:03,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-26 16:32:03,640 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-26 16:32:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-26 16:32:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-26 16:32:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-26 16:32:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-26 16:32:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-04-26 16:32:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2025-04-26 16:32:03,657 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2025-04-26 16:32:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2025-04-26 16:32:03,657 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2025-04-26 16:32:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2025-04-26 16:32:03,657 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2025-04-26 16:32:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 16:32:03,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 16:32:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-04-26 16:32:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-04-26 16:32:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-26 16:32:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2025-04-26 16:32:03,657 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2025-04-26 16:32:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2025-04-26 16:32:03,657 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2025-04-26 16:32:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2025-04-26 16:32:03,657 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2025-04-26 16:32:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2025-04-26 16:32:03,657 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2025-04-26 16:32:03,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-26 16:32:03,660 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-26 16:32:03,938 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 16:32:03,939 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 16:32:06,805 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 16:32:06,805 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 16:32:08,590 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 16:32:08,590 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-26 16:32:08,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:32:08 BoogieIcfgContainer [2025-04-26 16:32:08,590 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 16:32:08,591 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 16:32:08,591 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 16:32:08,595 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 16:32:08,595 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:32:08,595 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.04 04:32:02" (1/3) ... [2025-04-26 16:32:08,596 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@291298c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 04:32:08, skipping insertion in model container [2025-04-26 16:32:08,596 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:32:08,596 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 04:32:03" (2/3) ... [2025-04-26 16:32:08,596 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@291298c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 04:32:08, skipping insertion in model container [2025-04-26 16:32:08,596 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 16:32:08,596 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 04:32:08" (3/3) ... [2025-04-26 16:32:08,597 INFO L376 chiAutomizerObserver]: Analyzing ICFG elimination_backoff_stack.i [2025-04-26 16:32:09,260 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-04-26 16:32:09,296 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-26 16:32:09,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-26 16:32:09,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 16:32:09,299 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-26 16:32:09,301 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-26 16:32:09,594 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 2337 places, 2469 transitions, 4966 flow [2025-04-26 16:32:11,419 INFO L116 PetriNetUnfolderBase]: 147/2455 cut-off events. [2025-04-26 16:32:11,420 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-26 16:32:11,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2477 conditions, 2455 events. 147/2455 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 16679 event pairs, 0 based on Foata normal form. 0/2301 useless extension candidates. Maximal degree in co-relation 2392. Up to 6 conditions per place. [2025-04-26 16:32:11,587 INFO L82 GeneralOperation]: Start removeDead. Operand has 2337 places, 2469 transitions, 4966 flow [2025-04-26 16:32:11,886 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 2330 places, 2455 transitions, 4931 flow [2025-04-26 16:32:11,886 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 2330 places, 2455 transitions, 4931 flow [2025-04-26 16:32:11,891 INFO L135 AmpleReduction]: Starting ample reduction Received shutdown request... [2025-04-26 16:36:42,747 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-26 16:36:42,754 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-26 16:36:42,999 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forcibly destroying the process [2025-04-26 16:36:43,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2025-04-26 16:36:43,039 INFO L257 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer. Reason: Timeout or Toolchain cancelled by user [2025-04-26 16:36:43,040 INFO L158 Benchmark]: Toolchain (without parser) took 280368.72ms. Allocated memory was 155.2MB in the beginning and 1.1GB in the end (delta: 943.7MB). Free memory was 105.1MB in the beginning and 214.1MB in the end (delta: -109.0MB). Peak memory consumption was 924.4MB. Max. memory is 8.0GB. [2025-04-26 16:36:43,040 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 159.4MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 16:36:43,041 INFO L158 Benchmark]: CACSL2BoogieTranslator took 659.08ms. Allocated memory is still 155.2MB. Free memory was 104.6MB in the beginning and 55.4MB in the end (delta: 49.2MB). Peak memory consumption was 50.3MB. Max. memory is 8.0GB. [2025-04-26 16:36:43,041 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.79ms. Allocated memory is still 155.2MB. Free memory was 55.4MB in the beginning and 36.8MB in the end (delta: 18.6MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2025-04-26 16:36:43,041 INFO L158 Benchmark]: Boogie Preprocessor took 170.27ms. Allocated memory is still 155.2MB. Free memory was 36.8MB in the beginning and 89.6MB in the end (delta: -52.9MB). Peak memory consumption was 28.9MB. Max. memory is 8.0GB. [2025-04-26 16:36:43,041 INFO L158 Benchmark]: RCFGBuilder took 4978.31ms. Allocated memory was 155.2MB in the beginning and 549.5MB in the end (delta: 394.3MB). Free memory was 89.6MB in the beginning and 382.1MB in the end (delta: -292.5MB). Peak memory consumption was 359.6MB. Max. memory is 8.0GB. [2025-04-26 16:36:43,042 INFO L158 Benchmark]: BuchiAutomizer took 274448.18ms. Allocated memory was 549.5MB in the beginning and 1.1GB in the end (delta: 549.5MB). Free memory was 382.1MB in the beginning and 214.1MB in the end (delta: 168.0MB). Peak memory consumption was 807.8MB. Max. memory is 8.0GB. [2025-04-26 16:36:43,043 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 159.4MB. Free memory is still 87.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 659.08ms. Allocated memory is still 155.2MB. Free memory was 104.6MB in the beginning and 55.4MB in the end (delta: 49.2MB). Peak memory consumption was 50.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 108.79ms. Allocated memory is still 155.2MB. Free memory was 55.4MB in the beginning and 36.8MB in the end (delta: 18.6MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 170.27ms. Allocated memory is still 155.2MB. Free memory was 36.8MB in the beginning and 89.6MB in the end (delta: -52.9MB). Peak memory consumption was 28.9MB. Max. memory is 8.0GB. * RCFGBuilder took 4978.31ms. Allocated memory was 155.2MB in the beginning and 549.5MB in the end (delta: 394.3MB). Free memory was 89.6MB in the beginning and 382.1MB in the end (delta: -292.5MB). Peak memory consumption was 359.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 274448.18ms. Allocated memory was 549.5MB in the beginning and 1.1GB in the end (delta: 549.5MB). Free memory was 382.1MB in the beginning and 214.1MB in the end (delta: 168.0MB). Peak memory consumption was 807.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer) Toolchain cancelled while BuchiCegarLoopFactory was constructing initial abstraction,while XnfDer was eliminating 3 quantified variables from 14 xjuncts. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown