/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/BuchiAutomizerCInline.xml -s ../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-syntacticLbe.epf -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-0d686a6 [2022-07-26 14:14:19,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-26 14:14:19,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-26 14:14:19,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-26 14:14:19,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-26 14:14:19,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-26 14:14:19,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-26 14:14:19,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-26 14:14:19,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-26 14:14:19,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-26 14:14:19,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-26 14:14:19,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-26 14:14:19,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-26 14:14:19,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-26 14:14:19,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-26 14:14:19,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-26 14:14:19,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-26 14:14:19,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-26 14:14:19,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-26 14:14:19,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-26 14:14:19,422 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-26 14:14:19,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-26 14:14:19,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-26 14:14:19,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-26 14:14:19,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-26 14:14:19,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-07-26 14:14:19,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-26 14:14:19,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-26 14:14:19,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-26 14:14:19,438 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-26 14:14:19,438 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-26 14:14:19,439 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-26 14:14:19,439 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-26 14:14:19,439 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-26 14:14:19,440 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-26 14:14:19,440 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-26 14:14:19,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-26 14:14:19,442 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/buchiAutomizer/concurrent-automaton-syntacticLbe.epf [2022-07-26 14:14:19,471 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-26 14:14:19,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-26 14:14:19,472 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-26 14:14:19,472 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-26 14:14:19,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-26 14:14:19,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-26 14:14:19,473 INFO L138 SettingsManager]: * Use SBE=true [2022-07-26 14:14:19,473 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-26 14:14:19,473 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-26 14:14:19,474 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-26 14:14:19,474 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-26 14:14:19,475 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-26 14:14:19,475 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-26 14:14:19,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-26 14:14:19,475 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-26 14:14:19,475 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-26 14:14:19,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-26 14:14:19,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-26 14:14:19,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-26 14:14:19,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-26 14:14:19,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-26 14:14:19,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-26 14:14:19,476 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-26 14:14:19,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-26 14:14:19,477 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-26 14:14:19,477 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-26 14:14:19,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-26 14:14:19,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-26 14:14:19,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-26 14:14:19,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-26 14:14:19,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-26 14:14:19,478 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-07-26 14:14:19,479 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-26 14:14:19,479 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-07-26 14:14:19,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-26 14:14:19,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-26 14:14:19,709 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-26 14:14:19,710 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-26 14:14:19,710 INFO L275 PluginConnector]: CDTParser initialized [2022-07-26 14:14:19,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c [2022-07-26 14:14:19,786 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e3e4b114/09ddbf24364e4a139154f90f104880c0/FLAGb618a925a [2022-07-26 14:14:20,101 INFO L306 CDTParser]: Found 1 translation units. [2022-07-26 14:14:20,101 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c [2022-07-26 14:14:20,112 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e3e4b114/09ddbf24364e4a139154f90f104880c0/FLAGb618a925a [2022-07-26 14:14:20,519 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e3e4b114/09ddbf24364e4a139154f90f104880c0 [2022-07-26 14:14:20,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-26 14:14:20,522 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-07-26 14:14:20,524 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-26 14:14:20,524 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-26 14:14:20,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-26 14:14:20,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 02:14:20" (1/1) ... [2022-07-26 14:14:20,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21670b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:14:20, skipping insertion in model container [2022-07-26 14:14:20,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.07 02:14:20" (1/1) ... [2022-07-26 14:14:20,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-26 14:14:20,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-26 14:14:20,750 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c[4837,4850] [2022-07-26 14:14:20,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 14:14:20,759 INFO L203 MainTranslator]: Completed pre-run [2022-07-26 14:14:20,794 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c[4837,4850] [2022-07-26 14:14:20,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-26 14:14:20,807 INFO L208 MainTranslator]: Completed translation [2022-07-26 14:14:20,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:14:20 WrapperNode [2022-07-26 14:14:20,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-26 14:14:20,809 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-26 14:14:20,809 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-26 14:14:20,809 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-26 14:14:20,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:14:20" (1/1) ... [2022-07-26 14:14:20,822 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:14:20" (1/1) ... [2022-07-26 14:14:20,858 INFO L137 Inliner]: procedures = 26, calls = 115, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 308 [2022-07-26 14:14:20,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-26 14:14:20,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-26 14:14:20,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-26 14:14:20,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-26 14:14:20,865 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:14:20" (1/1) ... [2022-07-26 14:14:20,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:14:20" (1/1) ... [2022-07-26 14:14:20,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:14:20" (1/1) ... [2022-07-26 14:14:20,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:14:20" (1/1) ... [2022-07-26 14:14:20,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:14:20" (1/1) ... [2022-07-26 14:14:20,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:14:20" (1/1) ... [2022-07-26 14:14:20,887 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:14:20" (1/1) ... [2022-07-26 14:14:20,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-26 14:14:20,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-26 14:14:20,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-26 14:14:20,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-26 14:14:20,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:14:20" (1/1) ... [2022-07-26 14:14:20,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-26 14:14:20,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-26 14:14:20,932 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 14:14:20,939 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 14:14:20,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-26 14:14:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-26 14:14:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-26 14:14:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-26 14:14:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-07-26 14:14:20,966 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-07-26 14:14:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-07-26 14:14:20,966 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-07-26 14:14:20,966 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-07-26 14:14:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-07-26 14:14:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-07-26 14:14:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-07-26 14:14:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-26 14:14:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-07-26 14:14:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-07-26 14:14:20,967 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-07-26 14:14:20,967 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-07-26 14:14:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2022-07-26 14:14:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2022-07-26 14:14:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-07-26 14:14:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-07-26 14:14:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-26 14:14:20,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-26 14:14:20,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-26 14:14:20,970 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 14:14:21,062 INFO L234 CfgBuilder]: Building ICFG [2022-07-26 14:14:21,077 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-26 14:14:21,388 INFO L275 CfgBuilder]: Performing block encoding [2022-07-26 14:14:21,465 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-26 14:14:21,465 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-26 14:14:21,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 02:14:21 BoogieIcfgContainer [2022-07-26 14:14:21,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-26 14:14:21,468 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-26 14:14:21,468 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-26 14:14:21,472 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-26 14:14:21,473 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:14:21,473 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.07 02:14:20" (1/3) ... [2022-07-26 14:14:21,474 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76867e87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 02:14:21, skipping insertion in model container [2022-07-26 14:14:21,474 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:14:21,474 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.07 02:14:20" (2/3) ... [2022-07-26 14:14:21,474 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76867e87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.07 02:14:21, skipping insertion in model container [2022-07-26 14:14:21,474 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-26 14:14:21,474 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.07 02:14:21" (3/3) ... [2022-07-26 14:14:21,475 INFO L322 chiAutomizerObserver]: Analyzing ICFG parallel-ticket-7.wvr.c [2022-07-26 14:14:21,593 INFO L144 ThreadInstanceAdder]: Constructed 7 joinOtherThreadTransitions. [2022-07-26 14:14:21,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 220 places, 207 transitions, 470 flow [2022-07-26 14:14:21,703 INFO L129 PetriNetUnfolder]: 2/193 cut-off events. [2022-07-26 14:14:21,703 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-07-26 14:14:21,707 INFO L84 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 193 events. 2/193 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 88 event pairs, 0 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 148. Up to 2 conditions per place. [2022-07-26 14:14:21,707 INFO L82 GeneralOperation]: Start removeDead. Operand has 220 places, 207 transitions, 470 flow [2022-07-26 14:14:21,718 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 213 places, 193 transitions, 428 flow [2022-07-26 14:14:21,721 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2022-07-26 14:14:21,729 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 213 places, 193 transitions, 428 flow [2022-07-26 14:14:21,734 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 213 places, 193 transitions, 428 flow [2022-07-26 14:14:21,735 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 213 places, 193 transitions, 428 flow [2022-07-26 14:14:21,775 INFO L129 PetriNetUnfolder]: 2/193 cut-off events. [2022-07-26 14:14:21,775 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-07-26 14:14:21,776 INFO L84 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 193 events. 2/193 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 89 event pairs, 0 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 148. Up to 2 conditions per place. [2022-07-26 14:14:21,779 INFO L116 LiptonReduction]: Number of co-enabled transitions 4182 [2022-07-26 14:14:31,035 INFO L131 LiptonReduction]: Checked pairs total: 23136 [2022-07-26 14:14:31,036 INFO L133 LiptonReduction]: Total number of compositions: 149 [2022-07-26 14:14:31,051 INFO L301 stractBuchiCegarLoop]: Interprodecural is true [2022-07-26 14:14:31,052 INFO L302 stractBuchiCegarLoop]: Hoare is false [2022-07-26 14:14:31,052 INFO L303 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-26 14:14:31,052 INFO L304 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-26 14:14:31,052 INFO L305 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-26 14:14:31,052 INFO L306 stractBuchiCegarLoop]: Difference is false [2022-07-26 14:14:31,052 INFO L307 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-26 14:14:31,052 INFO L311 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-26 14:14:31,054 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand currently 0 states, but on-demand construction may add more states [2022-07-26 14:14:59,032 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-26 14:14:59,032 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-26 14:14:59,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.07 02:14:59 BoogieIcfgContainer [2022-07-26 14:14:59,036 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-26 14:14:59,037 INFO L158 Benchmark]: Toolchain (without parser) took 38513.99ms. Allocated memory was 174.1MB in the beginning and 7.2GB in the end (delta: 7.1GB). Free memory was 114.4MB in the beginning and 5.4GB in the end (delta: -5.3GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. [2022-07-26 14:14:59,037 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 174.1MB. Free memory is still 130.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-07-26 14:14:59,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.57ms. Allocated memory was 174.1MB in the beginning and 238.0MB in the end (delta: 64.0MB). Free memory was 114.2MB in the beginning and 207.0MB in the end (delta: -92.8MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. [2022-07-26 14:14:59,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.79ms. Allocated memory is still 238.0MB. Free memory was 207.0MB in the beginning and 204.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-26 14:14:59,039 INFO L158 Benchmark]: Boogie Preprocessor took 30.98ms. Allocated memory is still 238.0MB. Free memory was 204.4MB in the beginning and 202.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-07-26 14:14:59,040 INFO L158 Benchmark]: RCFGBuilder took 570.85ms. Allocated memory is still 238.0MB. Free memory was 202.8MB in the beginning and 175.5MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-07-26 14:14:59,040 INFO L158 Benchmark]: BuchiAutomizer took 37567.66ms. Allocated memory was 238.0MB in the beginning and 7.2GB in the end (delta: 7.0GB). Free memory was 175.5MB in the beginning and 5.4GB in the end (delta: -5.3GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. [2022-07-26 14:14:59,043 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 174.1MB. Free memory is still 130.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 284.57ms. Allocated memory was 174.1MB in the beginning and 238.0MB in the end (delta: 64.0MB). Free memory was 114.2MB in the beginning and 207.0MB in the end (delta: -92.8MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.79ms. Allocated memory is still 238.0MB. Free memory was 207.0MB in the beginning and 204.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.98ms. Allocated memory is still 238.0MB. Free memory was 204.4MB in the beginning and 202.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 570.85ms. Allocated memory is still 238.0MB. Free memory was 202.8MB in the beginning and 175.5MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * BuchiAutomizer took 37567.66ms. Allocated memory was 238.0MB in the beginning and 7.2GB in the end (delta: 7.0GB). Free memory was 175.5MB in the beginning and 5.4GB in the end (delta: -5.3GB). Peak memory consumption was 2.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 37.4s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 9.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.3s, 213 PlacesBefore, 80 PlacesAfterwards, 193 TransitionsBefore, 58 TransitionsAfterwards, 4182 CoEnabledTransitionPairs, 8 FixpointIterations, 93 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 149 TotalNumberOfCompositions, 23136 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 11478, positive: 11033, positive conditional: 0, positive unconditional: 11033, negative: 445, negative conditional: 0, negative unconditional: 445, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2160, positive: 2109, positive conditional: 0, positive unconditional: 2109, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 11478, positive: 8924, positive conditional: 0, positive unconditional: 8924, negative: 394, negative conditional: 0, negative unconditional: 394, unknown: 2160, unknown conditional: 0, unknown unconditional: 2160] , Statistics on independence cache: Total cache size (in pairs): 469, Positive cache size: 443, Positive conditional cache size: 0, Positive unconditional cache size: 443, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26 RESULT: Ultimate proved your program to be correct! [2022-07-26 14:14:59,075 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 0 Received shutdown request...