/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-syntacticLbe.epf -i ../../../trunk/examples/svcomp/pthread-complex/bounded_buffer.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-21b0908 [2022-07-22 12:34:41,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 12:34:41,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 12:34:41,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-07-22 12:34:41,469 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 12:34:41,471 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 12:34:41,472 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 12:34:41,479 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-syntacticLbe.epf [2022-07-22 12:34:41,527 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 12:34:41,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 12:34:41,528 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 12:34:41,528 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 12:34:41,529 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 12:34:41,530 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 12:34:41,530 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 12:34:41,530 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 12:34:41,530 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 12:34:41,532 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 12:34:41,532 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 12:34:41,532 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 12:34:41,532 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 12:34:41,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 12:34:41,533 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 12:34:41,533 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 12:34:41,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 12:34:41,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 12:34:41,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 12:34:41,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 12:34:41,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 12:34:41,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 12:34:41,534 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 12:34:41,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 12:34:41,535 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 12:34:41,535 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 12:34:41,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 12:34:41,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 12:34:41,536 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 12:34:41,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 12:34:41,536 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 12:34:41,537 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-07-22 12:34:41,539 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 12:34:41,539 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-22 12:34:41,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 12:34:41,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 12:34:41,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 12:34:41,942 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 12:34:41,943 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 12:34:41,945 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/bounded_buffer.i [2022-07-22 12:34:42,024 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f1a39643/a1a594fd937446a6885a1af69a0bdb1e/FLAG500a3837c [2022-07-22 12:34:42,890 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 12:34:42,892 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/bounded_buffer.i [2022-07-22 12:34:42,933 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f1a39643/a1a594fd937446a6885a1af69a0bdb1e/FLAG500a3837c [2022-07-22 12:34:43,037 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f1a39643/a1a594fd937446a6885a1af69a0bdb1e [2022-07-22 12:34:43,040 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 12:34:43,046 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-22 12:34:43,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 12:34:43,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 12:34:43,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 12:34:43,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:34:43" (1/1) ... [2022-07-22 12:34:43,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cf135e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:34:43, skipping insertion in model container [2022-07-22 12:34:43,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:34:43" (1/1) ... [2022-07-22 12:34:43,065 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 12:34:43,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 12:34:43,979 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/bounded_buffer.i[70002,70015] [2022-07-22 12:34:44,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:34:44,045 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 12:34:44,151 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/bounded_buffer.i[70002,70015] [2022-07-22 12:34:44,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:34:44,285 INFO L208 MainTranslator]: Completed translation [2022-07-22 12:34:44,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:34:44 WrapperNode [2022-07-22 12:34:44,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 12:34:44,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 12:34:44,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 12:34:44,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 12:34:44,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:34:44" (1/1) ... [2022-07-22 12:34:44,329 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:34:44" (1/1) ... [2022-07-22 12:34:44,382 INFO L137 Inliner]: procedures = 428, calls = 126, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 471 [2022-07-22 12:34:44,382 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 12:34:44,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 12:34:44,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 12:34:44,383 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 12:34:44,401 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:34:44" (1/1) ... [2022-07-22 12:34:44,401 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:34:44" (1/1) ... [2022-07-22 12:34:44,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:34:44" (1/1) ... [2022-07-22 12:34:44,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:34:44" (1/1) ... [2022-07-22 12:34:44,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:34:44" (1/1) ... [2022-07-22 12:34:44,441 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:34:44" (1/1) ... [2022-07-22 12:34:44,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:34:44" (1/1) ... [2022-07-22 12:34:44,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 12:34:44,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 12:34:44,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 12:34:44,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 12:34:44,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:34:44" (1/1) ... [2022-07-22 12:34:44,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:34:44,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:34:44,516 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 12:34:44,524 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 12:34:44,580 INFO L130 BoogieDeclarations]: Found specification of procedure producer_routine [2022-07-22 12:34:44,580 INFO L138 BoogieDeclarations]: Found implementation of procedure producer_routine [2022-07-22 12:34:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 12:34:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 12:34:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-07-22 12:34:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-22 12:34:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2022-07-22 12:34:44,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 12:34:44,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-22 12:34:44,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 12:34:44,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 12:34:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 12:34:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-22 12:34:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure consumer_routine [2022-07-22 12:34:44,583 INFO L138 BoogieDeclarations]: Found implementation of procedure consumer_routine [2022-07-22 12:34:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 12:34:44,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 12:34:44,586 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 12:34:44,829 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 12:34:44,831 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 12:34:45,690 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 12:34:45,703 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 12:34:45,704 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2022-07-22 12:34:45,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:34:45 BoogieIcfgContainer [2022-07-22 12:34:45,707 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 12:34:45,708 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 12:34:45,708 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 12:34:45,712 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 12:34:45,713 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:34:45,714 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 12:34:43" (1/3) ... [2022-07-22 12:34:45,715 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57c0e8c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:34:45, skipping insertion in model container [2022-07-22 12:34:45,715 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:34:45,715 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:34:44" (2/3) ... [2022-07-22 12:34:45,715 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@57c0e8c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:34:45, skipping insertion in model container [2022-07-22 12:34:45,715 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:34:45,716 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:34:45" (3/3) ... [2022-07-22 12:34:45,717 INFO L322 chiAutomizerObserver]: Analyzing ICFG bounded_buffer.i [2022-07-22 12:34:45,960 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-07-22 12:34:46,004 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 447 places, 498 transitions, 1018 flow [2022-07-22 12:34:46,416 INFO L129 PetriNetUnfolder]: 125/1087 cut-off events. [2022-07-22 12:34:46,416 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-07-22 12:34:46,451 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1107 conditions, 1087 events. 125/1087 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 6528 event pairs, 0 based on Foata normal form. 0/959 useless extension candidates. Maximal degree in co-relation 571. Up to 16 conditions per place. [2022-07-22 12:34:46,452 INFO L82 GeneralOperation]: Start removeDead. Operand has 447 places, 498 transitions, 1018 flow [2022-07-22 12:34:46,535 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 447 places, 498 transitions, 1018 flow [2022-07-22 12:34:46,539 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-07-22 12:34:46,551 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 447 places, 498 transitions, 1018 flow [2022-07-22 12:34:46,555 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 447 places, 498 transitions, 1018 flow [2022-07-22 12:34:46,555 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 447 places, 498 transitions, 1018 flow [2022-07-22 12:34:46,867 INFO L129 PetriNetUnfolder]: 125/1087 cut-off events. [2022-07-22 12:34:46,868 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-07-22 12:34:46,891 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1107 conditions, 1087 events. 125/1087 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 6493 event pairs, 0 based on Foata normal form. 0/959 useless extension candidates. Maximal degree in co-relation 571. Up to 16 conditions per place. [2022-07-22 12:34:47,005 INFO L116 LiptonReduction]: Number of co-enabled transitions 117180 [2022-07-22 12:35:29,173 WARN L233 SmtUtils]: Spent 16.03s on a formula simplification. DAG size of input: 205 DAG size of output: 201 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-07-22 12:35:36,642 WARN L233 SmtUtils]: Spent 7.46s on a formula simplification that was a NOOP. DAG size: 187 (called from [L 315] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-07-22 12:35:53,068 WARN L233 SmtUtils]: Spent 16.42s on a formula simplification. DAG size of input: 205 DAG size of output: 201 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-07-22 12:36:02,677 WARN L233 SmtUtils]: Spent 9.60s on a formula simplification that was a NOOP. DAG size: 187 (called from [L 315] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-07-22 12:37:31,147 WARN L233 SmtUtils]: Spent 1.47m on a formula simplification. DAG size of input: 271 DAG size of output: 265 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-07-22 12:38:05,865 WARN L233 SmtUtils]: Spent 34.71s on a formula simplification that was a NOOP. DAG size: 255 (called from [L 315] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-07-22 12:39:21,008 WARN L233 SmtUtils]: Spent 1.25m on a formula simplification. DAG size of input: 277 DAG size of output: 269 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2022-07-22 12:39:22,445 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-07-22 12:39:22,713 WARN L249 SmtUtils]: Removed 59 from assertion stack [2022-07-22 12:39:22,714 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer. Reason: Timeout or Toolchain cancelled by user [2022-07-22 12:39:22,717 INFO L158 Benchmark]: Toolchain (without parser) took 279673.42ms. Allocated memory was 154.1MB in the beginning and 288.4MB in the end (delta: 134.2MB). Free memory was 126.1MB in the beginning and 194.0MB in the end (delta: -67.9MB). Peak memory consumption was 180.4MB. Max. memory is 8.0GB. [2022-07-22 12:39:22,718 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 154.1MB. Free memory was 124.2MB in the beginning and 124.1MB in the end (delta: 78.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-07-22 12:39:22,718 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1236.12ms. Allocated memory is still 154.1MB. Free memory was 125.9MB in the beginning and 105.1MB in the end (delta: 20.9MB). Peak memory consumption was 29.2MB. Max. memory is 8.0GB. [2022-07-22 12:39:22,719 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.63ms. Allocated memory is still 154.1MB. Free memory was 105.1MB in the beginning and 100.3MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2022-07-22 12:39:22,720 INFO L158 Benchmark]: Boogie Preprocessor took 76.42ms. Allocated memory is still 154.1MB. Free memory was 100.3MB in the beginning and 96.7MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-07-22 12:39:22,721 INFO L158 Benchmark]: RCFGBuilder took 1246.87ms. Allocated memory is still 154.1MB. Free memory was 96.7MB in the beginning and 56.3MB in the end (delta: 40.4MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. [2022-07-22 12:39:22,722 INFO L158 Benchmark]: BuchiAutomizer took 277006.37ms. Allocated memory was 154.1MB in the beginning and 288.4MB in the end (delta: 134.2MB). Free memory was 56.3MB in the beginning and 194.0MB in the end (delta: -137.7MB). Peak memory consumption was 109.2MB. Max. memory is 8.0GB. [2022-07-22 12:39:22,730 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 154.1MB. Free memory was 124.2MB in the beginning and 124.1MB in the end (delta: 78.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 1236.12ms. Allocated memory is still 154.1MB. Free memory was 125.9MB in the beginning and 105.1MB in the end (delta: 20.9MB). Peak memory consumption was 29.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 95.63ms. Allocated memory is still 154.1MB. Free memory was 105.1MB in the beginning and 100.3MB in the end (delta: 4.7MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 76.42ms. Allocated memory is still 154.1MB. Free memory was 100.3MB in the beginning and 96.7MB in the end (delta: 3.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1246.87ms. Allocated memory is still 154.1MB. Free memory was 96.7MB in the beginning and 56.3MB in the end (delta: 40.4MB). Peak memory consumption was 40.9MB. Max. memory is 8.0GB. * BuchiAutomizer took 277006.37ms. Allocated memory was 154.1MB in the beginning and 288.4MB in the end (delta: 134.2MB). Free memory was 56.3MB in the beginning and 194.0MB in the end (delta: -137.7MB). Peak memory consumption was 109.2MB. 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 PetriNetLargeBlockEncoding was applying PetriNetLargeBlockEncoding to Petri net that has 447 places, 498 transitions, 1018 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 447 places, 498 transitions, 1018 flow and 11784 co-enabled transitions pairs.,while SimplifyDDAWithTimeout was simplifying term of DAG size 258 for 1692ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown