/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-deagle/circular_buffer_bad.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-21b0908 [2022-07-22 12:27:11,215 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 12:27:11,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 12:27:11,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-07-22 12:27:11,294 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 12:27:11,295 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 12:27:11,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 12:27:11,298 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 12:27:11,299 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 12:27:11,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 12:27:11,302 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 12:27:11,304 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 12:27:11,306 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 12:27:11,307 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 12:27:11,308 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 12:27:11,310 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 12:27:11,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 12:27:11,314 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-22 12:27:11,327 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 12:27:11,355 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 12:27:11,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 12:27:11,355 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 12:27:11,356 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 12:27:11,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 12:27:11,357 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 12:27:11,358 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 12:27:11,358 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 12:27:11,358 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 12:27:11,358 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 12:27:11,359 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 12:27:11,359 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 12:27:11,359 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 12:27:11,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 12:27:11,360 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 12:27:11,360 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 12:27:11,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 12:27:11,360 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 12:27:11,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 12:27:11,361 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 12:27:11,361 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 12:27:11,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 12:27:11,361 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 12:27:11,361 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 12:27:11,362 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 12:27:11,362 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 12:27:11,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 12:27:11,362 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 12:27:11,362 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 12:27:11,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 12:27:11,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 12:27:11,364 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 12:27:11,364 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-22 12:27:11,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 12:27:11,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 12:27:11,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 12:27:11,759 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 12:27:11,759 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 12:27:11,761 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i [2022-07-22 12:27:11,843 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf0c1d9fd/c4de473832f84005a3d3d12f9b119aec/FLAG535c77cc2 [2022-07-22 12:27:12,547 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 12:27:12,548 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i [2022-07-22 12:27:12,568 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf0c1d9fd/c4de473832f84005a3d3d12f9b119aec/FLAG535c77cc2 [2022-07-22 12:27:12,802 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf0c1d9fd/c4de473832f84005a3d3d12f9b119aec [2022-07-22 12:27:12,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 12:27:12,814 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-22 12:27:12,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 12:27:12,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 12:27:12,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 12:27:12,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:27:12" (1/1) ... [2022-07-22 12:27:12,824 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a7d5216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:27:12, skipping insertion in model container [2022-07-22 12:27:12,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 12:27:12" (1/1) ... [2022-07-22 12:27:12,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 12:27:12,907 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 12:27:13,362 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-deagle/circular_buffer_bad.i[30440,30453] [2022-07-22 12:27:13,371 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-deagle/circular_buffer_bad.i[30895,30908] [2022-07-22 12:27:13,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:27:13,391 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 12:27:13,439 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-deagle/circular_buffer_bad.i[30440,30453] [2022-07-22 12:27:13,443 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-deagle/circular_buffer_bad.i[30895,30908] [2022-07-22 12:27:13,448 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 12:27:13,498 INFO L208 MainTranslator]: Completed translation [2022-07-22 12:27:13,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:27:13 WrapperNode [2022-07-22 12:27:13,499 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 12:27:13,500 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 12:27:13,500 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 12:27:13,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 12:27:13,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:27:13" (1/1) ... [2022-07-22 12:27:13,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:27:13" (1/1) ... [2022-07-22 12:27:13,572 INFO L137 Inliner]: procedures = 168, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 133 [2022-07-22 12:27:13,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 12:27:13,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 12:27:13,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 12:27:13,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 12:27:13,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:27:13" (1/1) ... [2022-07-22 12:27:13,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:27:13" (1/1) ... [2022-07-22 12:27:13,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:27:13" (1/1) ... [2022-07-22 12:27:13,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:27:13" (1/1) ... [2022-07-22 12:27:13,629 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:27:13" (1/1) ... [2022-07-22 12:27:13,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:27:13" (1/1) ... [2022-07-22 12:27:13,644 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:27:13" (1/1) ... [2022-07-22 12:27:13,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 12:27:13,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 12:27:13,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 12:27:13,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 12:27:13,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:27:13" (1/1) ... [2022-07-22 12:27:13,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 12:27:13,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 12:27:13,714 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 12:27:13,725 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 12:27:13,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-22 12:27:13,786 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-07-22 12:27:13,786 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-07-22 12:27:13,787 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-07-22 12:27:13,789 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-07-22 12:27:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-22 12:27:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-07-22 12:27:13,789 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 12:27:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-22 12:27:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-22 12:27:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-22 12:27:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 12:27:13,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 12:27:13,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 12:27:13,792 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 12:27:14,074 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 12:27:14,083 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 12:27:14,354 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 12:27:14,367 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 12:27:14,367 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 12:27:14,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:27:14 BoogieIcfgContainer [2022-07-22 12:27:14,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 12:27:14,372 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 12:27:14,372 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 12:27:14,377 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 12:27:14,378 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:27:14,378 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 12:27:12" (1/3) ... [2022-07-22 12:27:14,379 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24518062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:27:14, skipping insertion in model container [2022-07-22 12:27:14,380 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:27:14,380 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 12:27:13" (2/3) ... [2022-07-22 12:27:14,380 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@24518062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 12:27:14, skipping insertion in model container [2022-07-22 12:27:14,380 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 12:27:14,380 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 12:27:14" (3/3) ... [2022-07-22 12:27:14,382 INFO L322 chiAutomizerObserver]: Analyzing ICFG circular_buffer_bad.i [2022-07-22 12:27:14,571 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-07-22 12:27:14,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 143 places, 148 transitions, 312 flow [2022-07-22 12:27:14,687 INFO L129 PetriNetUnfolder]: 10/144 cut-off events. [2022-07-22 12:27:14,690 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-22 12:27:14,696 INFO L84 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 144 events. 10/144 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 239 event pairs, 0 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 91. Up to 2 conditions per place. [2022-07-22 12:27:14,696 INFO L82 GeneralOperation]: Start removeDead. Operand has 143 places, 148 transitions, 312 flow [2022-07-22 12:27:14,708 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 141 places, 144 transitions, 300 flow [2022-07-22 12:27:14,712 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-22 12:27:14,728 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 141 places, 144 transitions, 300 flow [2022-07-22 12:27:14,732 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 141 places, 144 transitions, 300 flow [2022-07-22 12:27:14,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 141 places, 144 transitions, 300 flow [2022-07-22 12:27:14,763 INFO L129 PetriNetUnfolder]: 10/144 cut-off events. [2022-07-22 12:27:14,763 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-22 12:27:14,765 INFO L84 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 144 events. 10/144 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 238 event pairs, 0 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 91. Up to 2 conditions per place. [2022-07-22 12:27:14,769 INFO L116 LiptonReduction]: Number of co-enabled transitions 3840 [2022-07-22 12:27:24,988 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 101 [2022-07-22 12:27:24,989 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 12:27:24,992 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 12:27:24,997 INFO L158 Benchmark]: Toolchain (without parser) took 12187.03ms. Allocated memory is still 167.8MB. Free memory was 140.4MB in the beginning and 99.1MB in the end (delta: 41.3MB). Peak memory consumption was 41.1MB. Max. memory is 8.0GB. [2022-07-22 12:27:24,998 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 167.8MB. Free memory was 137.7MB in the beginning and 137.6MB in the end (delta: 68.8kB). There was no memory consumed. Max. memory is 8.0GB. [2022-07-22 12:27:24,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 682.78ms. Allocated memory is still 167.8MB. Free memory was 140.3MB in the beginning and 120.5MB in the end (delta: 19.8MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-07-22 12:27:25,000 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.16ms. Allocated memory is still 167.8MB. Free memory was 120.5MB in the beginning and 118.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-22 12:27:25,001 INFO L158 Benchmark]: Boogie Preprocessor took 81.85ms. Allocated memory is still 167.8MB. Free memory was 118.1MB in the beginning and 116.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-22 12:27:25,002 INFO L158 Benchmark]: RCFGBuilder took 714.13ms. Allocated memory is still 167.8MB. Free memory was 116.4MB in the beginning and 137.0MB in the end (delta: -20.6MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. [2022-07-22 12:27:25,003 INFO L158 Benchmark]: BuchiAutomizer took 10622.74ms. Allocated memory is still 167.8MB. Free memory was 137.0MB in the beginning and 99.1MB in the end (delta: 37.9MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2022-07-22 12:27:25,008 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 167.8MB. Free memory was 137.7MB in the beginning and 137.6MB in the end (delta: 68.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 682.78ms. Allocated memory is still 167.8MB. Free memory was 140.3MB in the beginning and 120.5MB in the end (delta: 19.8MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 73.16ms. Allocated memory is still 167.8MB. Free memory was 120.5MB in the beginning and 118.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 81.85ms. Allocated memory is still 167.8MB. Free memory was 118.1MB in the beginning and 116.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 714.13ms. Allocated memory is still 167.8MB. Free memory was 116.4MB in the beginning and 137.0MB in the end (delta: -20.6MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. * BuchiAutomizer took 10622.74ms. Allocated memory is still 167.8MB. Free memory was 137.0MB in the beginning and 99.1MB in the end (delta: 37.9MB). Peak memory consumption was 37.7MB. 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...