/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerCInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-semanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 13:45:21,356 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 13:45:21,358 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 13:45:21,401 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-26 13:45:21,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-26 13:45:21,402 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-26 13:45:21,403 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-26 13:45:21,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-26 13:45:21,419 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-26 13:45:21,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-26 13:45:21,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-26 13:45:21,422 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-26 13:45:21,422 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 13:45:21,423 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 13:45:21,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 13:45:21,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 13:45:21,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 13:45:21,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 13:45:21,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 13:45:21,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 13:45:21,428 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 13:45:21,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 13:45:21,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 13:45:21,430 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 13:45:21,431 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 13:45:21,433 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-26 13:45:21,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-26 13:45:21,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-26 13:45:21,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-26 13:45:21,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-26 13:45:21,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-26 13:45:21,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-26 13:45:21,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-26 13:45:21,436 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-26 13:45:21,437 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-26 13:45:21,437 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-26 13:45:21,437 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-26 13:45:21,438 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-26 13:45:21,438 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-26 13:45:21,438 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 13:45:21,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 13:45:21,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 13:45:21,440 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 13:45:21,455 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 13:45:21,455 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 13:45:21,455 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 13:45:21,456 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 13:45:21,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 13:45:21,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 13:45:21,456 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 13:45:21,457 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 13:45:21,457 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 13:45:21,457 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 13:45:21,457 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 13:45:21,457 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 13:45:21,457 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 13:45:21,457 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 13:45:21,457 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 13:45:21,457 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 13:45:21,457 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 13:45:21,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 13:45:21,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 13:45:21,458 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 13:45:21,458 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 13:45:21,458 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 13:45:21,458 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 13:45:21,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 13:45:21,458 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 13:45:21,458 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 13:45:21,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 13:45:21,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 13:45:21,458 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 13:45:21,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 13:45:21,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 13:45:21,459 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 13:45:21,459 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 13:45:21,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 13:45:21,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 13:45:21,627 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 13:45:21,627 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 13:45:21,628 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 13:45:21,629 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i [2022-07-26 13:45:21,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ddd757c5/dea8e675efe34693b32bfd08c688ec25/FLAGc17d8d2b2 [2022-07-26 13:45:22,077 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 13:45:22,078 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i [2022-07-26 13:45:22,099 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ddd757c5/dea8e675efe34693b32bfd08c688ec25/FLAGc17d8d2b2 [2022-07-26 13:45:22,437 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ddd757c5/dea8e675efe34693b32bfd08c688ec25 [2022-07-26 13:45:22,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 13:45:22,440 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 13:45:22,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 13:45:22,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 13:45:22,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 13:45:22,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:45:22" (1/1) ... [2022-07-26 13:45:22,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a8853a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:45:22, skipping insertion in model container [2022-07-26 13:45:22,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 01:45:22" (1/1) ... [2022-07-26 13:45:22,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 13:45:22,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 13:45:22,961 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2022-07-26 13:45:22,979 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/workstealqueue_mutex-2.i[79042,79055] [2022-07-26 13:45:22,982 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2022-07-26 13:45:22,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:45:22,997 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 13:45:23,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2022-07-26 13:45:23,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2022-07-26 13:45:23,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2022-07-26 13:45:23,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 13:45:23,119 INFO L208 MainTranslator]: Completed translation [2022-07-26 13:45:23,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:45:23 WrapperNode [2022-07-26 13:45:23,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 13:45:23,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 13:45:23,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 13:45:23,120 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 13:45:23,125 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:45:23" (1/1) ... [2022-07-26 13:45:23,144 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:45:23" (1/1) ... [2022-07-26 13:45:23,208 INFO L137 Inliner]: procedures = 489, calls = 128, calls flagged for inlining = 45, calls inlined = 117, statements flattened = 1677 [2022-07-26 13:45:23,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 13:45:23,209 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 13:45:23,209 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 13:45:23,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 13:45:23,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:45:23" (1/1) ... [2022-07-26 13:45:23,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:45:23" (1/1) ... [2022-07-26 13:45:23,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:45:23" (1/1) ... [2022-07-26 13:45:23,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:45:23" (1/1) ... [2022-07-26 13:45:23,295 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:45:23" (1/1) ... [2022-07-26 13:45:23,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:45:23" (1/1) ... [2022-07-26 13:45:23,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:45:23" (1/1) ... [2022-07-26 13:45:23,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 13:45:23,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 13:45:23,348 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 13:45:23,348 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 13:45:23,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:45:23" (1/1) ... [2022-07-26 13:45:23,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 13:45:23,377 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 13:45:23,390 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 13:45:23,408 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 13:45:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2022-07-26 13:45:23,422 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2022-07-26 13:45:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-26 13:45:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 13:45:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-26 13:45:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 13:45:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-07-26 13:45:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 13:45:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-26 13:45:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 13:45:23,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 13:45:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 13:45:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-26 13:45:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 13:45:23,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 13:45:23,427 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 13:45:23,730 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 13:45:23,731 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 13:45:24,964 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 13:45:25,224 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 13:45:25,224 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2022-07-26 13:45:25,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:45:25 BoogieIcfgContainer [2022-07-26 13:45:25,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 13:45:25,229 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 13:45:25,229 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 13:45:25,283 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 13:45:25,284 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:45:25,284 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 01:45:22" (1/3) ... [2022-07-26 13:45:25,285 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d691b1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:45:25, skipping insertion in model container [2022-07-26 13:45:25,285 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:45:25,285 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 01:45:23" (2/3) ... [2022-07-26 13:45:25,285 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d691b1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 01:45:25, skipping insertion in model container [2022-07-26 13:45:25,285 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 13:45:25,285 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 01:45:25" (3/3) ... [2022-07-26 13:45:25,286 INFO L322 chiAutomizerObserver]: Analyzing ICFG workstealqueue_mutex-2.i [2022-07-26 13:45:25,420 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-07-26 13:45:25,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1578 places, 1628 transitions, 3264 flow [2022-07-26 13:45:26,197 INFO L129 PetriNetUnfolder]: 98/3018 cut-off events. [2022-07-26 13:45:26,197 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-07-26 13:45:26,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3024 conditions, 3018 events. 98/3018 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 13979 event pairs, 0 based on Foata normal form. 0/2918 useless extension candidates. Maximal degree in co-relation 1539. Up to 10 conditions per place. [2022-07-26 13:45:26,232 INFO L82 GeneralOperation]: Start removeDead. Operand has 1578 places, 1628 transitions, 3264 flow [2022-07-26 13:45:26,308 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1578 places, 1628 transitions, 3264 flow [2022-07-26 13:45:26,311 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-07-26 13:45:26,322 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1578 places, 1628 transitions, 3264 flow [2022-07-26 13:45:26,323 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 1578 places, 1628 transitions, 3264 flow [2022-07-26 13:45:26,324 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 1578 places, 1628 transitions, 3264 flow [2022-07-26 13:45:26,901 INFO L129 PetriNetUnfolder]: 98/3018 cut-off events. [2022-07-26 13:45:26,901 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-07-26 13:45:26,926 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3024 conditions, 3018 events. 98/3018 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 13993 event pairs, 0 based on Foata normal form. 0/2918 useless extension candidates. Maximal degree in co-relation 1539. Up to 10 conditions per place. [2022-07-26 13:45:27,016 INFO L116 LiptonReduction]: Number of co-enabled transitions 402336 [2022-07-26 13:46:01,821 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 13:46:01,822 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 13:46:01,823 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 13:46:01,825 INFO L158 Benchmark]: Toolchain (without parser) took 39384.90ms. Allocated memory was 187.7MB in the beginning and 649.1MB in the end (delta: 461.4MB). Free memory was 128.6MB in the beginning and 430.8MB in the end (delta: -302.1MB). Peak memory consumption was 441.7MB. Max. memory is 8.0GB. [2022-07-26 13:46:01,826 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 187.7MB. Free memory is still 148.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 13:46:01,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 679.00ms. Allocated memory was 187.7MB in the beginning and 269.5MB in the end (delta: 81.8MB). Free memory was 128.5MB in the beginning and 191.0MB in the end (delta: -62.6MB). Peak memory consumption was 20.8MB. Max. memory is 8.0GB. [2022-07-26 13:46:01,827 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.20ms. Allocated memory is still 269.5MB. Free memory was 191.0MB in the beginning and 181.6MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-07-26 13:46:01,827 INFO L158 Benchmark]: Boogie Preprocessor took 138.09ms. Allocated memory is still 269.5MB. Free memory was 181.6MB in the beginning and 173.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2022-07-26 13:46:01,827 INFO L158 Benchmark]: RCFGBuilder took 1880.61ms. Allocated memory is still 269.5MB. Free memory was 173.2MB in the beginning and 93.3MB in the end (delta: 79.9MB). Peak memory consumption was 101.9MB. Max. memory is 8.0GB. [2022-07-26 13:46:01,828 INFO L158 Benchmark]: BuchiAutomizer took 36594.96ms. Allocated memory was 269.5MB in the beginning and 649.1MB in the end (delta: 379.6MB). Free memory was 93.3MB in the beginning and 430.8MB in the end (delta: -337.5MB). Peak memory consumption was 324.2MB. Max. memory is 8.0GB. [2022-07-26 13:46:01,830 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 187.7MB. Free memory is still 148.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 679.00ms. Allocated memory was 187.7MB in the beginning and 269.5MB in the end (delta: 81.8MB). Free memory was 128.5MB in the beginning and 191.0MB in the end (delta: -62.6MB). Peak memory consumption was 20.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 88.20ms. Allocated memory is still 269.5MB. Free memory was 191.0MB in the beginning and 181.6MB in the end (delta: 9.4MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 138.09ms. Allocated memory is still 269.5MB. Free memory was 181.6MB in the beginning and 173.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * RCFGBuilder took 1880.61ms. Allocated memory is still 269.5MB. Free memory was 173.2MB in the beginning and 93.3MB in the end (delta: 79.9MB). Peak memory consumption was 101.9MB. Max. memory is 8.0GB. * BuchiAutomizer took 36594.96ms. Allocated memory was 269.5MB in the beginning and 649.1MB in the end (delta: 379.6MB). Free memory was 93.3MB in the beginning and 430.8MB in the end (delta: -337.5MB). Peak memory consumption was 324.2MB. 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...