/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerCInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-21b0908 [2022-07-22 12:11:42,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 12:11:42,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 12:11:42,469 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-07-22 12:11:42,510 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 12:11:42,511 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 12:11:42,513 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 12:11:42,517 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 12:11:42,518 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 12:11:42,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 12:11:42,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 12:11:42,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 12:11:42,543 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 12:11:42,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 12:11:42,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 12:11:42,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 12:11:42,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 12:11:42,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-22 12:11:42,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 12:11:42,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 12:11:42,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 12:11:42,566 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf [2022-07-22 12:11:42,596 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 12:11:42,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 12:11:42,597 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 12:11:42,597 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 12:11:42,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 12:11:42,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 12:11:42,599 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 12:11:42,599 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 12:11:42,599 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 12:11:42,600 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 12:11:42,600 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 12:11:42,600 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 12:11:42,600 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 12:11:42,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 12:11:42,601 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 12:11:42,601 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 12:11:42,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 12:11:42,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 12:11:42,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 12:11:42,602 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 12:11:42,602 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 12:11:42,602 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 12:11:42,603 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 12:11:42,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 12:11:42,603 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 12:11:42,603 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 12:11:42,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 12:11:42,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 12:11:42,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 12:11:42,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 12:11:42,605 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 12:11:42,606 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 12:11:42,606 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-22 12:11:42,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 12:11:42,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 12:11:42,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 12:11:42,992 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 12:11:42,993 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 12:11:42,995 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i [2022-07-22 12:11:43,087 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f065c9324/59d3ea8df4e3484a9e05877e2faddbec/FLAG5b767ff49 [2022-07-22 12:11:43,973 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 12:11:43,974 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i [2022-07-22 12:11:44,010 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f065c9324/59d3ea8df4e3484a9e05877e2faddbec/FLAG5b767ff49 [2022-07-22 12:11:44,137 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f065c9324/59d3ea8df4e3484a9e05877e2faddbec [2022-07-22 12:11:44,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 12:11:44,147 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-22 12:11:44,149 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 12:11:44,149 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 12:11:44,153 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 12:11:44,154 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:11:44" (1/1) ... [2022-07-22 12:11:44,156 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54f48b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:11:44, skipping insertion in model container [2022-07-22 12:11:44,156 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:11:44" (1/1) ... [2022-07-22 12:11:44,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 12:11:44,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 12:11:44,970 WARN L230 ndardFunctionHandler]: 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] [2022-07-22 12:11:45,070 WARN L230 ndardFunctionHandler]: 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] [2022-07-22 12:11:45,076 WARN L230 ndardFunctionHandler]: 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] [2022-07-22 12:11:45,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:11:45,108 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 12:11:45,163 WARN L230 ndardFunctionHandler]: 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] [2022-07-22 12:11:45,182 WARN L230 ndardFunctionHandler]: 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] [2022-07-22 12:11:45,186 WARN L230 ndardFunctionHandler]: 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] [2022-07-22 12:11:45,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:11:45,404 INFO L208 MainTranslator]: Completed translation [2022-07-22 12:11:45,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:11:45 WrapperNode [2022-07-22 12:11:45,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 12:11:45,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 12:11:45,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 12:11:45,407 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 12:11:45,417 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:11:45" (1/1) ... [2022-07-22 12:11:45,480 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:11:45" (1/1) ... [2022-07-22 12:11:45,563 INFO L137 Inliner]: procedures = 489, calls = 128, calls flagged for inlining = 45, calls inlined = 117, statements flattened = 1677 [2022-07-22 12:11:45,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 12:11:45,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 12:11:45,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 12:11:45,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 12:11:45,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:11:45" (1/1) ... [2022-07-22 12:11:45,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:11:45" (1/1) ... [2022-07-22 12:11:45,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:11:45" (1/1) ... [2022-07-22 12:11:45,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:11:45" (1/1) ... [2022-07-22 12:11:45,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:11:45" (1/1) ... [2022-07-22 12:11:45,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:11:45" (1/1) ... [2022-07-22 12:11:45,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:11:45" (1/1) ... [2022-07-22 12:11:45,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 12:11:45,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 12:11:45,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 12:11:45,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 12:11:45,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:11:45" (1/1) ... [2022-07-22 12:11:45,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:11:45,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:11:45,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 12:11:45,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-22 12:11:45,911 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2022-07-22 12:11:45,911 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2022-07-22 12:11:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-22 12:11:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 12:11:45,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-22 12:11:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 12:11:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-07-22 12:11:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 12:11:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 12:11:45,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 12:11:45,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 12:11:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 12:11:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 12:11:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 12:11:45,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 12:11:45,919 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-22 12:11:46,407 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 12:11:46,410 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 12:11:48,688 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 12:11:49,316 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 12:11:49,316 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2022-07-22 12:11:49,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:11:49 BoogieIcfgContainer [2022-07-22 12:11:49,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 12:11:49,351 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 12:11:49,351 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 12:11:49,356 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 12:11:49,357 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:11:49,357 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 12:11:44" (1/3) ... [2022-07-22 12:11:49,359 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ac213b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:11:49, skipping insertion in model container [2022-07-22 12:11:49,359 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:11:49,359 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:11:45" (2/3) ... [2022-07-22 12:11:49,360 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2ac213b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:11:49, skipping insertion in model container [2022-07-22 12:11:49,360 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:11:49,360 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:11:49" (3/3) ... [2022-07-22 12:11:49,362 INFO L322 chiAutomizerObserver]: Analyzing ICFG workstealqueue_mutex-2.i [2022-07-22 12:11:49,561 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-07-22 12:11:49,621 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1578 places, 1628 transitions, 3264 flow [2022-07-22 12:11:50,951 INFO L129 PetriNetUnfolder]: 98/3018 cut-off events. [2022-07-22 12:11:50,952 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-07-22 12:11:51,012 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3024 conditions, 3018 events. 98/3018 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 13979 event pairs, 0 based on Foata normal form. 0/2918 useless extension candidates. Maximal degree in co-relation 1539. Up to 10 conditions per place. [2022-07-22 12:11:51,013 INFO L82 GeneralOperation]: Start removeDead. Operand has 1578 places, 1628 transitions, 3264 flow [2022-07-22 12:11:51,213 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1578 places, 1628 transitions, 3264 flow [2022-07-22 12:11:51,220 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-22 12:11:51,240 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1578 places, 1628 transitions, 3264 flow [2022-07-22 12:11:51,244 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 1578 places, 1628 transitions, 3264 flow [2022-07-22 12:11:51,245 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1578 places, 1628 transitions, 3264 flow [2022-07-22 12:11:52,735 INFO L129 PetriNetUnfolder]: 98/3018 cut-off events. [2022-07-22 12:11:52,736 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-07-22 12:11:52,777 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3024 conditions, 3018 events. 98/3018 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 13993 event pairs, 0 based on Foata normal form. 0/2918 useless extension candidates. Maximal degree in co-relation 1539. Up to 10 conditions per place. [2022-07-22 12:11:52,977 INFO L116 LiptonReduction]: Number of co-enabled transitions 402336 [2022-07-22 12:12:44,067 WARN L230 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-07-22 12:12:44,069 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.checkImplication(TransFormulaUtils.java:1152) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.performInclusionCheck(SemanticIndependenceRelation.java:197) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.containsLBool(SemanticIndependenceRelation.java:145) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:123) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.lambda$2(UnionIndependenceRelation.java:70) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.Spliterators$ArraySpliterator.tryAdvance(Spliterators.java:958) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.anyMatch(ReferencePipeline.java:528) at de.uni_freiburg.informatik.ultimate.automata.partialorder.UnionIndependenceRelation.contains(UnionIndependenceRelation.java:70) at de.uni_freiburg.informatik.ultimate.automata.partialorder.CachedIndependenceRelation.contains(CachedIndependenceRelation.java:120) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.lambda$1(LiptonReduction.java:465) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.HashMap$KeySpliterator.tryAdvance(HashMap.java:1642) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.allMatch(ReferencePipeline.java:533) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.isRightMover(LiptonReduction.java:465) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.sequenceRuleCheck(LiptonReduction.java:408) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.sequenceRule(LiptonReduction.java:310) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.(LiptonReduction.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.petrinetlbe.PetriNetLargeBlockEncoding.(PetriNetLargeBlockEncoding.java:133) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.PetriLbeInitialAbstractionProvider.getInitialAbstraction(PetriLbeInitialAbstractionProvider.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.PetriLbeInitialAbstractionProvider.getInitialAbstraction(PetriLbeInitialAbstractionProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.Petri2FiniteAutomatonAbstractionProvider$Lazy.getInitialAbstraction(Petri2FiniteAutomatonAbstractionProvider.java:196) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.Petri2FiniteAutomatonAbstractionProvider$Lazy.getInitialAbstraction(Petri2FiniteAutomatonAbstractionProvider.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiCegarLoopFactory.constructInitialAbstraction(BuchiCegarLoopFactory.java:187) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiCegarLoopFactory.createBuchiAutomatonCegarLoop(BuchiCegarLoopFactory.java:153) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.BuchiCegarLoopFactory.constructCegarLoop(BuchiCegarLoopFactory.java:121) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.runCegarLoops(BuchiAutomizerObserver.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:331) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 59 more [2022-07-22 12:12:44,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 101 [2022-07-22 12:12:44,081 INFO L158 Benchmark]: Toolchain (without parser) took 59937.06ms. Allocated memory was 158.3MB in the beginning and 465.6MB in the end (delta: 307.2MB). Free memory was 108.3MB in the beginning and 283.6MB in the end (delta: -175.4MB). Peak memory consumption was 338.5MB. Max. memory is 8.0GB. [2022-07-22 12:12:44,081 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 158.3MB. Free memory is still 128.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-22 12:12:44,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1256.80ms. Allocated memory is still 158.3MB. Free memory was 108.0MB in the beginning and 93.8MB in the end (delta: 14.1MB). Peak memory consumption was 26.6MB. Max. memory is 8.0GB. [2022-07-22 12:12:44,083 INFO L158 Benchmark]: Boogie Procedure Inliner took 157.25ms. Allocated memory is still 158.3MB. Free memory was 93.8MB in the beginning and 84.4MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-07-22 12:12:44,084 INFO L158 Benchmark]: Boogie Preprocessor took 207.57ms. Allocated memory is still 158.3MB. Free memory was 84.4MB in the beginning and 130.8MB in the end (delta: -46.4MB). Peak memory consumption was 15.5MB. Max. memory is 8.0GB. [2022-07-22 12:12:44,085 INFO L158 Benchmark]: RCFGBuilder took 3577.16ms. Allocated memory was 158.3MB in the beginning and 209.7MB in the end (delta: 51.4MB). Free memory was 130.8MB in the beginning and 169.4MB in the end (delta: -38.6MB). Peak memory consumption was 99.3MB. Max. memory is 8.0GB. [2022-07-22 12:12:44,086 INFO L158 Benchmark]: BuchiAutomizer took 54727.11ms. Allocated memory was 209.7MB in the beginning and 465.6MB in the end (delta: 255.9MB). Free memory was 169.4MB in the beginning and 283.6MB in the end (delta: -114.2MB). Peak memory consumption was 347.1MB. Max. memory is 8.0GB. [2022-07-22 12:12:44,091 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 158.3MB. Free memory is still 128.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1256.80ms. Allocated memory is still 158.3MB. Free memory was 108.0MB in the beginning and 93.8MB in the end (delta: 14.1MB). Peak memory consumption was 26.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 157.25ms. Allocated memory is still 158.3MB. Free memory was 93.8MB in the beginning and 84.4MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 207.57ms. Allocated memory is still 158.3MB. Free memory was 84.4MB in the beginning and 130.8MB in the end (delta: -46.4MB). Peak memory consumption was 15.5MB. Max. memory is 8.0GB. * RCFGBuilder took 3577.16ms. Allocated memory was 158.3MB in the beginning and 209.7MB in the end (delta: 51.4MB). Free memory was 130.8MB in the beginning and 169.4MB in the end (delta: -38.6MB). Peak memory consumption was 99.3MB. Max. memory is 8.0GB. * BuchiAutomizer took 54727.11ms. Allocated memory was 209.7MB in the beginning and 465.6MB in the end (delta: 255.9MB). Free memory was 169.4MB in the beginning and 283.6MB in the end (delta: -114.2MB). Peak memory consumption was 347.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...