/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/workstealqueue_mutex-2.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.ample-buchi-a4216cd-m [2025-04-26 18:20:42,214 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-26 18:20:42,262 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/Termination.epf [2025-04-26 18:20:42,266 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-26 18:20:42,266 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-26 18:20:42,266 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Check unreachability of error function in SV-COMP mode [2025-04-26 18:20:42,266 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Translation Mode: [2025-04-26 18:20:42,282 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-26 18:20:42,282 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-26 18:20:42,282 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-26 18:20:42,283 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-26 18:20:42,283 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-26 18:20:42,284 INFO L153 SettingsManager]: * Use SBE=true [2025-04-26 18:20:42,284 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2025-04-26 18:20:42,284 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2025-04-26 18:20:42,284 INFO L153 SettingsManager]: * Use old map elimination=false [2025-04-26 18:20:42,284 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2025-04-26 18:20:42,284 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2025-04-26 18:20:42,285 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2025-04-26 18:20:42,285 INFO L153 SettingsManager]: * Automaton type for concurrent programs=PARTIAL_ORDER_BA [2025-04-26 18:20:42,285 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-26 18:20:42,285 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2025-04-26 18:20:42,285 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-26 18:20:42,285 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-26 18:20:42,285 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-26 18:20:42,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-26 18:20:42,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2025-04-26 18:20:42,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2025-04-26 18:20:42,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2025-04-26 18:20:42,285 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-26 18:20:42,285 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-26 18:20:42,285 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2025-04-26 18:20:42,286 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-26 18:20:42,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-26 18:20:42,286 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-26 18:20:42,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 18:20:42,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-26 18:20:42,286 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-26 18:20:42,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-26 18:20:42,286 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-26 18:20:42,286 INFO L153 SettingsManager]: * Use conditional POR in concurrent analysis=false [2025-04-26 18:20:42,286 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2025-04-26 18:20:42,286 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR [2025-04-26 18:20:42,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-26 18:20:42,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-26 18:20:42,695 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-26 18:20:42,696 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-26 18:20:42,696 INFO L274 PluginConnector]: CDTParser initialized [2025-04-26 18:20:42,697 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i [2025-04-26 18:20:43,985 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d00f48c1d/7c99d60eea1d40dd8a141e03977055e8/FLAG03e8a35ba [2025-04-26 18:20:44,230 INFO L389 CDTParser]: Found 1 translation units. [2025-04-26 18:20:44,231 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i [2025-04-26 18:20:44,251 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d00f48c1d/7c99d60eea1d40dd8a141e03977055e8/FLAG03e8a35ba [2025-04-26 18:20:45,035 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d00f48c1d/7c99d60eea1d40dd8a141e03977055e8 [2025-04-26 18:20:45,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-26 18:20:45,038 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-26 18:20:45,039 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-26 18:20:45,039 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-26 18:20:45,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-26 18:20:45,042 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.04 06:20:45" (1/1) ... [2025-04-26 18:20:45,043 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@441edda8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:20:45, skipping insertion in model container [2025-04-26 18:20:45,043 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.04 06:20:45" (1/1) ... [2025-04-26 18:20:45,073 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-26 18:20:45,483 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/workstealqueue_mutex-2.i[76469,76482] [2025-04-26 18:20:45,519 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/workstealqueue_mutex-2.i[79042,79055] [2025-04-26 18:20:45,531 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/workstealqueue_mutex-2.i[79451,79464] [2025-04-26 18:20:45,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-26 18:20:45,560 INFO L200 MainTranslator]: Completed pre-run [2025-04-26 18:20:45,624 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/workstealqueue_mutex-2.i[76469,76482] [2025-04-26 18:20:45,648 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/workstealqueue_mutex-2.i[79042,79055] [2025-04-26 18:20:45,651 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/workstealqueue_mutex-2.i[79451,79464] [2025-04-26 18:20:45,660 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-26 18:20:45,739 INFO L204 MainTranslator]: Completed translation [2025-04-26 18:20:45,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:20:45 WrapperNode [2025-04-26 18:20:45,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-26 18:20:45,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-26 18:20:45,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-26 18:20:45,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-26 18:20:45,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:20:45" (1/1) ... [2025-04-26 18:20:45,767 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:20:45" (1/1) ... [2025-04-26 18:20:45,843 INFO L138 Inliner]: procedures = 491, calls = 156, calls flagged for inlining = 45, calls inlined = 117, statements flattened = 1797 [2025-04-26 18:20:45,844 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-26 18:20:45,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-26 18:20:45,845 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-26 18:20:45,845 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-26 18:20:45,850 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:20:45" (1/1) ... [2025-04-26 18:20:45,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:20:45" (1/1) ... [2025-04-26 18:20:45,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:20:45" (1/1) ... [2025-04-26 18:20:45,866 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:20:45" (1/1) ... [2025-04-26 18:20:45,912 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:20:45" (1/1) ... [2025-04-26 18:20:45,918 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:20:45" (1/1) ... [2025-04-26 18:20:45,927 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:20:45" (1/1) ... [2025-04-26 18:20:45,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:20:45" (1/1) ... [2025-04-26 18:20:45,949 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:20:45" (1/1) ... [2025-04-26 18:20:45,966 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-26 18:20:45,967 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-26 18:20:45,967 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-26 18:20:45,967 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-26 18:20:45,968 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:20:45" (1/1) ... [2025-04-26 18:20:45,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -smt2 -in -t:4000 [2025-04-26 18:20:45,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:20:45,990 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 18:20:45,995 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 18:20:46,008 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2025-04-26 18:20:46,008 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2025-04-26 18:20:46,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-26 18:20:46,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-26 18:20:46,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-26 18:20:46,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-26 18:20:46,008 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-26 18:20:46,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-26 18:20:46,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-04-26 18:20:46,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-26 18:20:46,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-26 18:20:46,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-26 18:20:46,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-04-26 18:20:46,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-04-26 18:20:46,009 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-26 18:20:46,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-26 18:20:46,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-26 18:20:46,010 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 18:20:46,224 INFO L234 CfgBuilder]: Building ICFG [2025-04-26 18:20:46,226 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-26 18:20:47,693 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-26 18:20:47,693 INFO L283 CfgBuilder]: Performing block encoding [2025-04-26 18:20:48,052 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-26 18:20:48,052 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-26 18:20:48,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 06:20:48 BoogieIcfgContainer [2025-04-26 18:20:48,052 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-26 18:20:48,053 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2025-04-26 18:20:48,053 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2025-04-26 18:20:48,059 INFO L274 PluginConnector]: BuchiAutomizer initialized [2025-04-26 18:20:48,060 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 18:20:48,060 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.04 06:20:45" (1/3) ... [2025-04-26 18:20:48,060 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3df9af79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 06:20:48, skipping insertion in model container [2025-04-26 18:20:48,060 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 18:20:48,060 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.04 06:20:45" (2/3) ... [2025-04-26 18:20:48,061 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3df9af79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.04 06:20:48, skipping insertion in model container [2025-04-26 18:20:48,061 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2025-04-26 18:20:48,061 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.04 06:20:48" (3/3) ... [2025-04-26 18:20:48,062 INFO L376 chiAutomizerObserver]: Analyzing ICFG workstealqueue_mutex-2.i [2025-04-26 18:20:48,235 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-04-26 18:20:48,263 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-26 18:20:48,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-26 18:20:48,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2025-04-26 18:20:48,266 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 18:20:48,267 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 18:20:48,391 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1671 places, 1728 transitions, 3463 flow [2025-04-26 18:20:49,121 INFO L116 PetriNetUnfolderBase]: 112/3190 cut-off events. [2025-04-26 18:20:49,123 INFO L117 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2025-04-26 18:20:49,160 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3195 conditions, 3190 events. 112/3190 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 14935 event pairs, 0 based on Foata normal form. 0/3066 useless extension candidates. Maximal degree in co-relation 1620. Up to 6 conditions per place. [2025-04-26 18:20:49,160 INFO L82 GeneralOperation]: Start removeDead. Operand has 1671 places, 1728 transitions, 3463 flow [2025-04-26 18:20:49,225 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1671 places, 1728 transitions, 3463 flow [2025-04-26 18:20:49,226 INFO L84 lAbstractionProvider]: Constructed initial Petri net abstraction that has has 1671 places, 1728 transitions, 3463 flow [2025-04-26 18:20:49,226 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 1671 places, 1728 transitions, 3463 flow [2025-04-26 18:20:52,288 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 212647 states, 212634 states have (on average 2.056350348486131) internal successors, (in total 437250), 212646 states have internal predecessors, (437250), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:20:52,749 INFO L171 actionProvider$Eager]: Constructed initial Büchi automaton abstraction (from Petri net) that has 212647 states, 212634 states have (on average 2.056350348486131) internal successors, (in total 437250), 212646 states have internal predecessors, (437250), 0 states have call successors, (0), 0 states have call predecessors, (in total 0), 0 states have return successors, (0), 0 states have call predecessors, ( in total0), 0 states have call successors, (0) [2025-04-26 18:20:52,751 INFO L135 AmpleReduction]: Starting ample reduction Received shutdown request... [2025-04-26 18:25:20,332 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 18:25:20,339 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 18:25:21,099 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 18:25:21,159 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 18:25:21,160 FATAL L? ?]: A wrapped exception occured: de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer threw an exception: de.uni_freiburg.informatik.ultimate.automata.AutomataOperationCanceledException: Timeout or canceled by user. at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiCegarLoopFactory.constructInitialAbstraction(BuchiCegarLoopFactory.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiCegarLoopFactory.createBuchiAutomatonCegarLoop(BuchiCegarLoopFactory.java:216) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiCegarLoopFactory.constructCegarLoop(BuchiCegarLoopFactory.java:130) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.runSingleCegarLoop(BuchiAutomizerObserver.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.runCegarLoops(BuchiAutomizerObserver.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:377) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.automata.AutomataOperationCanceledException: Timeout or canceled by user. at de.uni_freiburg.informatik.ultimate.automata.partialorder.AmpleReduction.traverse(AmpleReduction.java:192) at de.uni_freiburg.informatik.ultimate.automata.partialorder.AmpleReduction.(AmpleReduction.java:137) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.AmpleRedAbstractionProvider.getInitialAbstraction(AmpleRedAbstractionProvider.java:128) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.AmpleRedAbstractionProvider.getInitialAbstraction(AmpleRedAbstractionProvider.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiCegarLoopFactory.constructInitialAbstraction(BuchiCegarLoopFactory.java:237) ... 16 more [2025-04-26 18:25:21,162 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: de.uni_freiburg.informatik.ultimate.automata.AutomataOperationCanceledException: Timeout or canceled by user. at de.uni_freiburg.informatik.ultimate.automata.partialorder.AmpleReduction.traverse(AmpleReduction.java:192) at de.uni_freiburg.informatik.ultimate.automata.partialorder.AmpleReduction.(AmpleReduction.java:137) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.AmpleRedAbstractionProvider.getInitialAbstraction(AmpleRedAbstractionProvider.java:128) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.AmpleRedAbstractionProvider.getInitialAbstraction(AmpleRedAbstractionProvider.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiCegarLoopFactory.constructInitialAbstraction(BuchiCegarLoopFactory.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiCegarLoopFactory.createBuchiAutomatonCegarLoop(BuchiCegarLoopFactory.java:216) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiCegarLoopFactory.constructCegarLoop(BuchiCegarLoopFactory.java:130) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.runSingleCegarLoop(BuchiAutomizerObserver.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.runCegarLoops(BuchiAutomizerObserver.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:377) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2025-04-26 18:25:21,164 INFO L158 Benchmark]: Toolchain (without parser) took 276125.17ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 96.8MB in the beginning and 217.2MB in the end (delta: -120.4MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2025-04-26 18:25:21,164 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 159.4MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-26 18:25:21,164 INFO L158 Benchmark]: CACSL2BoogieTranslator took 702.41ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 33.3MB in the end (delta: 63.3MB). Peak memory consumption was 58.7MB. Max. memory is 8.0GB. [2025-04-26 18:25:21,164 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.04ms. Allocated memory is still 142.6MB. Free memory was 33.3MB in the beginning and 91.3MB in the end (delta: -58.0MB). Peak memory consumption was 23.0MB. Max. memory is 8.0GB. [2025-04-26 18:25:21,165 INFO L158 Benchmark]: Boogie Preprocessor took 122.13ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 82.6MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-26 18:25:21,165 INFO L158 Benchmark]: RCFGBuilder took 2085.30ms. Allocated memory is still 142.6MB. Free memory was 82.6MB in the beginning and 29.1MB in the end (delta: 53.5MB). Peak memory consumption was 66.9MB. Max. memory is 8.0GB. [2025-04-26 18:25:21,165 INFO L158 Benchmark]: BuchiAutomizer took 273109.70ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 28.0MB in the beginning and 217.2MB in the end (delta: -189.2MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2025-04-26 18:25:21,167 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 86.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 702.41ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 33.3MB in the end (delta: 63.3MB). Peak memory consumption was 58.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 102.04ms. Allocated memory is still 142.6MB. Free memory was 33.3MB in the beginning and 91.3MB in the end (delta: -58.0MB). Peak memory consumption was 23.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 122.13ms. Allocated memory is still 142.6MB. Free memory was 91.3MB in the beginning and 82.6MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 2085.30ms. Allocated memory is still 142.6MB. Free memory was 82.6MB in the beginning and 29.1MB in the end (delta: 53.5MB). Peak memory consumption was 66.9MB. Max. memory is 8.0GB. * BuchiAutomizer took 273109.70ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 28.0MB in the beginning and 217.2MB in the end (delta: -189.2MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AutomataOperationCanceledException: Timeout or canceled by user. de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AutomataOperationCanceledException: Timeout or canceled by user.: de.uni_freiburg.informatik.ultimate.automata.partialorder.AmpleReduction.traverse(AmpleReduction.java:192) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown