/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_ok.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 13:59:16,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 13:59:16,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 13:59:16,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-07-26 13:59:16,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 13:59:16,237 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 13:59:16,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 13:59:16,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 13:59:16,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 13:59:16,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 13:59:16,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 13:59:16,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 13:59:16,244 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 13:59:16,247 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 13:59:16,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 13:59:16,248 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 13:59:16,251 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 13:59:16,253 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-26 13:59:16,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 13:59:16,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 13:59:16,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 13:59:16,269 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf [2022-07-26 13:59:16,302 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 13:59:16,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 13:59:16,303 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 13:59:16,303 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 13:59:16,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 13:59:16,304 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 13:59:16,304 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 13:59:16,304 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 13:59:16,304 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 13:59:16,305 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 13:59:16,305 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 13:59:16,305 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 13:59:16,305 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 13:59:16,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 13:59:16,305 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 13:59:16,306 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 13:59:16,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 13:59:16,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 13:59:16,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 13:59:16,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 13:59:16,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 13:59:16,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 13:59:16,307 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 13:59:16,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 13:59:16,308 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 13:59:16,308 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 13:59:16,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 13:59:16,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 13:59:16,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 13:59:16,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 13:59:16,309 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 13:59:16,309 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 13:59:16,309 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 13:59:16,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 13:59:16,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 13:59:16,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 13:59:16,538 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 13:59:16,539 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 13:59:16,540 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i [2022-07-26 13:59:16,591 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19fcebb83/a40976b3091d4813b396d5252b68e64e/FLAG251e8542c [2022-07-26 13:59:17,039 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 13:59:17,043 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_ok.i [2022-07-26 13:59:17,056 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19fcebb83/a40976b3091d4813b396d5252b68e64e/FLAG251e8542c [2022-07-26 13:59:17,363 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/19fcebb83/a40976b3091d4813b396d5252b68e64e [2022-07-26 13:59:17,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 13:59:17,367 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 13:59:17,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 13:59:17,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 13:59:17,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 13:59:17,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:59:17" (1/1) ... [2022-07-26 13:59:17,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c634210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:59:17, skipping insertion in model container [2022-07-26 13:59:17,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:59:17" (1/1) ... [2022-07-26 13:59:17,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 13:59:17,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 13:59:17,739 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_ok.i[30451,30464] [2022-07-26 13:59:17,748 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_ok.i[30681,30694] [2022-07-26 13:59:17,755 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_ok.i[30979,30992] [2022-07-26 13:59:17,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:59:17,774 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 13:59:17,819 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_ok.i[30451,30464] [2022-07-26 13:59:17,821 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_ok.i[30681,30694] [2022-07-26 13:59:17,822 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_ok.i[30979,30992] [2022-07-26 13:59:17,831 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:59:17,866 INFO L208 MainTranslator]: Completed translation [2022-07-26 13:59:17,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:59:17 WrapperNode [2022-07-26 13:59:17,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 13:59:17,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 13:59:17,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 13:59:17,868 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 13:59:17,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:59:17" (1/1) ... [2022-07-26 13:59:17,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:59:17" (1/1) ... [2022-07-26 13:59:17,918 INFO L137 Inliner]: procedures = 168, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 140 [2022-07-26 13:59:17,918 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 13:59:17,919 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 13:59:17,919 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 13:59:17,919 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 13:59:17,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:59:17" (1/1) ... [2022-07-26 13:59:17,926 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:59:17" (1/1) ... [2022-07-26 13:59:17,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:59:17" (1/1) ... [2022-07-26 13:59:17,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:59:17" (1/1) ... [2022-07-26 13:59:17,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:59:17" (1/1) ... [2022-07-26 13:59:17,947 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:59:17" (1/1) ... [2022-07-26 13:59:17,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:59:17" (1/1) ... [2022-07-26 13:59:17,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 13:59:17,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 13:59:17,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 13:59:17,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 13:59:17,954 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:59:17" (1/1) ... [2022-07-26 13:59:17,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:59:17,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:59:17,984 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) [2022-07-26 13:59:17,985 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 [2022-07-26 13:59:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 13:59:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-07-26 13:59:18,019 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-07-26 13:59:18,019 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-07-26 13:59:18,020 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-07-26 13:59:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 13:59:18,020 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-07-26 13:59:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 13:59:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 13:59:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 13:59:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-26 13:59:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 13:59:18,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 13:59:18,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 13:59:18,023 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-07-26 13:59:18,124 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 13:59:18,126 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 13:59:18,354 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 13:59:18,362 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 13:59:18,362 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-26 13:59:18,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:59:18 BoogieIcfgContainer [2022-07-26 13:59:18,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 13:59:18,365 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 13:59:18,365 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 13:59:18,378 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 13:59:18,379 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:59:18,379 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 01:59:17" (1/3) ... [2022-07-26 13:59:18,380 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a3664d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:59:18, skipping insertion in model container [2022-07-26 13:59:18,380 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:59:18,380 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:59:17" (2/3) ... [2022-07-26 13:59:18,381 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a3664d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:59:18, skipping insertion in model container [2022-07-26 13:59:18,381 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:59:18,381 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:59:18" (3/3) ... [2022-07-26 13:59:18,382 INFO L322 chiAutomizerObserver]: Analyzing ICFG circular_buffer_ok.i [2022-07-26 13:59:18,516 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-07-26 13:59:18,546 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 149 places, 155 transitions, 326 flow [2022-07-26 13:59:18,594 INFO L129 PetriNetUnfolder]: 11/151 cut-off events. [2022-07-26 13:59:18,594 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-26 13:59:18,598 INFO L84 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 151 events. 11/151 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 269 event pairs, 0 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 98. Up to 2 conditions per place. [2022-07-26 13:59:18,599 INFO L82 GeneralOperation]: Start removeDead. Operand has 149 places, 155 transitions, 326 flow [2022-07-26 13:59:18,607 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 147 places, 151 transitions, 314 flow [2022-07-26 13:59:18,610 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-26 13:59:18,621 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 147 places, 151 transitions, 314 flow [2022-07-26 13:59:18,624 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 147 places, 151 transitions, 314 flow [2022-07-26 13:59:18,624 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 147 places, 151 transitions, 314 flow [2022-07-26 13:59:18,651 INFO L129 PetriNetUnfolder]: 11/151 cut-off events. [2022-07-26 13:59:18,652 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-07-26 13:59:18,653 INFO L84 FinitePrefix]: Finished finitePrefix Result has 160 conditions, 151 events. 11/151 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 269 event pairs, 0 based on Foata normal form. 0/140 useless extension candidates. Maximal degree in co-relation 98. Up to 2 conditions per place. [2022-07-26 13:59:18,656 INFO L116 LiptonReduction]: Number of co-enabled transitions 4404 [2022-07-26 13:59:26,732 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") [2022-07-26 13:59:26,734 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 [2022-07-26 13:59:26,734 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:1176) 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:1624) 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 [2022-07-26 13:59:26,739 INFO L158 Benchmark]: Toolchain (without parser) took 9371.26ms. Allocated memory was 172.0MB in the beginning and 235.9MB in the end (delta: 64.0MB). Free memory was 114.7MB in the beginning and 111.9MB in the end (delta: 2.9MB). Peak memory consumption was 67.8MB. Max. memory is 8.0GB. [2022-07-26 13:59:26,746 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 132.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 13:59:26,747 INFO L158 Benchmark]: CACSL2BoogieTranslator took 495.42ms. Allocated memory was 172.0MB in the beginning and 235.9MB in the end (delta: 64.0MB). Free memory was 114.4MB in the beginning and 198.9MB in the end (delta: -84.4MB). Peak memory consumption was 13.7MB. Max. memory is 8.0GB. [2022-07-26 13:59:26,747 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.72ms. Allocated memory is still 235.9MB. Free memory was 198.9MB in the beginning and 196.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-07-26 13:59:26,748 INFO L158 Benchmark]: Boogie Preprocessor took 32.96ms. Allocated memory is still 235.9MB. Free memory was 196.3MB in the beginning and 194.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-07-26 13:59:26,748 INFO L158 Benchmark]: RCFGBuilder took 411.88ms. Allocated memory is still 235.9MB. Free memory was 194.7MB in the beginning and 177.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-07-26 13:59:26,749 INFO L158 Benchmark]: BuchiAutomizer took 8372.00ms. Allocated memory is still 235.9MB. Free memory was 177.4MB in the beginning and 111.9MB in the end (delta: 65.5MB). Peak memory consumption was 65.0MB. Max. memory is 8.0GB. [2022-07-26 13:59:26,752 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 172.0MB. Free memory is still 132.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 495.42ms. Allocated memory was 172.0MB in the beginning and 235.9MB in the end (delta: 64.0MB). Free memory was 114.4MB in the beginning and 198.9MB in the end (delta: -84.4MB). Peak memory consumption was 13.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.72ms. Allocated memory is still 235.9MB. Free memory was 198.9MB in the beginning and 196.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.96ms. Allocated memory is still 235.9MB. Free memory was 196.3MB in the beginning and 194.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 411.88ms. Allocated memory is still 235.9MB. Free memory was 194.7MB in the beginning and 177.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * BuchiAutomizer took 8372.00ms. Allocated memory is still 235.9MB. Free memory was 177.4MB in the beginning and 111.9MB in the end (delta: 65.5MB). Peak memory consumption was 65.0MB. 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...