./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive-simple/id_i10_o10-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/recursive-simple/id_i10_o10-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9dc175bed280c85fbc7018a36f57353cd7d8c459346c67f95db055f6ec935a28 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 16:01:21,831 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 16:01:21,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 16:01:21,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 16:01:21,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 16:01:21,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 16:01:21,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 16:01:21,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 16:01:21,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 16:01:21,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 16:01:21,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 16:01:21,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 16:01:21,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 16:01:21,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 16:01:21,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 16:01:21,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 16:01:21,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 16:01:21,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 16:01:21,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 16:01:21,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 16:01:21,889 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 16:01:21,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 16:01:21,890 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 16:01:21,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 16:01:21,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 16:01:21,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 16:01:21,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 16:01:21,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 16:01:21,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 16:01:21,899 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 16:01:21,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 16:01:21,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 16:01:21,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 16:01:21,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 16:01:21,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 16:01:21,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 16:01:21,904 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 16:01:21,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 16:01:21,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 16:01:21,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 16:01:21,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 16:01:21,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 16:01:21,908 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-14 16:01:21,935 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 16:01:21,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 16:01:21,936 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 16:01:21,936 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 16:01:21,937 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 16:01:21,938 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 16:01:21,938 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 16:01:21,938 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-14 16:01:21,938 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-14 16:01:21,939 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-14 16:01:21,939 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-14 16:01:21,939 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-14 16:01:21,940 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-14 16:01:21,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 16:01:21,940 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-14 16:01:21,940 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-14 16:01:21,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 16:01:21,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-14 16:01:21,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 16:01:21,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-14 16:01:21,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-14 16:01:21,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-14 16:01:21,941 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-14 16:01:21,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 16:01:21,942 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-14 16:01:21,942 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 16:01:21,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-14 16:01:21,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 16:01:21,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 16:01:21,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 16:01:21,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 16:01:21,943 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-14 16:01:21,944 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dc175bed280c85fbc7018a36f57353cd7d8c459346c67f95db055f6ec935a28 [2022-07-14 16:01:22,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 16:01:22,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 16:01:22,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 16:01:22,185 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 16:01:22,186 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 16:01:22,187 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i10_o10-1.c [2022-07-14 16:01:22,258 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/776380efb/5d6a1da076e04e459b8d63192898c0e2/FLAG05b380e9e [2022-07-14 16:01:22,565 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 16:01:22,565 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i10_o10-1.c [2022-07-14 16:01:22,569 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/776380efb/5d6a1da076e04e459b8d63192898c0e2/FLAG05b380e9e [2022-07-14 16:01:22,583 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/776380efb/5d6a1da076e04e459b8d63192898c0e2 [2022-07-14 16:01:22,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 16:01:22,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 16:01:22,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 16:01:22,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 16:01:22,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 16:01:22,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:01:22" (1/1) ... [2022-07-14 16:01:22,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@607e90bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:01:22, skipping insertion in model container [2022-07-14 16:01:22,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:01:22" (1/1) ... [2022-07-14 16:01:22,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 16:01:22,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 16:01:22,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i10_o10-1.c[454,467] [2022-07-14 16:01:22,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 16:01:22,721 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 16:01:22,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i10_o10-1.c[454,467] [2022-07-14 16:01:22,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 16:01:22,738 INFO L208 MainTranslator]: Completed translation [2022-07-14 16:01:22,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:01:22 WrapperNode [2022-07-14 16:01:22,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 16:01:22,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 16:01:22,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 16:01:22,739 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 16:01:22,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:01:22" (1/1) ... [2022-07-14 16:01:22,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:01:22" (1/1) ... [2022-07-14 16:01:22,757 INFO L137 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2022-07-14 16:01:22,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 16:01:22,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 16:01:22,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 16:01:22,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 16:01:22,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:01:22" (1/1) ... [2022-07-14 16:01:22,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:01:22" (1/1) ... [2022-07-14 16:01:22,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:01:22" (1/1) ... [2022-07-14 16:01:22,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:01:22" (1/1) ... [2022-07-14 16:01:22,765 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:01:22" (1/1) ... [2022-07-14 16:01:22,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:01:22" (1/1) ... [2022-07-14 16:01:22,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:01:22" (1/1) ... [2022-07-14 16:01:22,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 16:01:22,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 16:01:22,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 16:01:22,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 16:01:22,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:01:22" (1/1) ... [2022-07-14 16:01:22,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:01:22,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:01:22,790 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) [2022-07-14 16:01:22,800 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 [2022-07-14 16:01:22,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 16:01:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 16:01:22,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 16:01:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-14 16:01:22,823 INFO L130 BoogieDeclarations]: Found specification of procedure id [2022-07-14 16:01:22,823 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2022-07-14 16:01:22,861 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 16:01:22,862 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 16:01:22,942 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 16:01:22,946 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 16:01:22,947 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 16:01:22,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:01:22 BoogieIcfgContainer [2022-07-14 16:01:22,950 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 16:01:22,950 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-14 16:01:22,951 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-14 16:01:22,953 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-14 16:01:22,954 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 16:01:22,954 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.07 04:01:22" (1/3) ... [2022-07-14 16:01:22,955 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d6fc909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 04:01:22, skipping insertion in model container [2022-07-14 16:01:22,955 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 16:01:22,955 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:01:22" (2/3) ... [2022-07-14 16:01:22,960 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d6fc909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.07 04:01:22, skipping insertion in model container [2022-07-14 16:01:22,964 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-14 16:01:22,964 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:01:22" (3/3) ... [2022-07-14 16:01:22,966 INFO L354 chiAutomizerObserver]: Analyzing ICFG id_i10_o10-1.c [2022-07-14 16:01:23,010 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-14 16:01:23,010 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-14 16:01:23,010 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-14 16:01:23,010 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-14 16:01:23,010 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-14 16:01:23,010 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-14 16:01:23,010 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-14 16:01:23,010 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-14 16:01:23,013 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-14 16:01:23,025 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-14 16:01:23,026 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:01:23,026 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:01:23,030 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-14 16:01:23,030 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-14 16:01:23,030 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-14 16:01:23,030 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-07-14 16:01:23,031 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2022-07-14 16:01:23,032 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-14 16:01:23,032 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-14 16:01:23,032 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-07-14 16:01:23,032 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-07-14 16:01:23,036 INFO L752 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(15, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_~input~0#1, main_~result~0#1;main_~input~0#1 := 10; 13#L13true call main_#t~ret5#1 := id(main_~input~0#1);< 11#idENTRYtrue [2022-07-14 16:01:23,038 INFO L754 eck$LassoCheckResult]: Loop: 11#idENTRYtrue ~x := #in~x; 7#L7true assume !(0 == ~x); 6#L8true call #t~ret4 := id(~x - 1);< 11#idENTRYtrue [2022-07-14 16:01:23,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:01:23,043 INFO L85 PathProgramCache]: Analyzing trace with hash 29876, now seen corresponding path program 1 times [2022-07-14 16:01:23,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:01:23,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298860234] [2022-07-14 16:01:23,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:01:23,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:01:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:01:23,127 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:01:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:01:23,155 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:01:23,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:01:23,163 INFO L85 PathProgramCache]: Analyzing trace with hash 44820, now seen corresponding path program 1 times [2022-07-14 16:01:23,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:01:23,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484997372] [2022-07-14 16:01:23,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:01:23,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:01:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:01:23,173 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:01:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:01:23,177 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:01:23,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:01:23,178 INFO L85 PathProgramCache]: Analyzing trace with hash 890050945, now seen corresponding path program 1 times [2022-07-14 16:01:23,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-14 16:01:23,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896488788] [2022-07-14 16:01:23,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 16:01:23,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-14 16:01:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:01:23,201 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-14 16:01:23,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-14 16:01:23,213 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-14 16:01:23,297 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:01:23,298 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:01:23,298 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:01:23,299 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:01:23,299 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-07-14 16:01:23,299 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:01:23,299 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:01:23,299 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:01:23,299 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_i10_o10-1.c_Iteration1_Loop [2022-07-14 16:01:23,300 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:01:23,300 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:01:23,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:01:23,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:01:23,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:01:23,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:01:23,368 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:01:23,369 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-07-14 16:01:23,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:01:23,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:01:23,372 INFO L229 MonitoredProcess]: Starting monitored process 2 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) [2022-07-14 16:01:23,380 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:01:23,381 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:01:23,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-07-14 16:01:23,396 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 16:01:23,397 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 16:01:23,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-07-14 16:01:23,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:01:23,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:01:23,417 INFO L229 MonitoredProcess]: Starting monitored process 3 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) [2022-07-14 16:01:23,418 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-07-14 16:01:23,420 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:01:23,420 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:01:23,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-07-14 16:01:23,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:01:23,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:01:23,449 INFO L229 MonitoredProcess]: Starting monitored process 4 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) [2022-07-14 16:01:23,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-07-14 16:01:23,456 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-07-14 16:01:23,456 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:01:23,480 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 16:01:23,480 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#in~x=-5} Honda state: {id_#in~x=-5} Generalized eigenvectors: [{id_#in~x=-1}, {id_#in~x=0}, {id_#in~x=0}] Lambdas: [1, 10, 8] Nus: [0, 0] [2022-07-14 16:01:23,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-07-14 16:01:23,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:01:23,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:01:23,503 INFO L229 MonitoredProcess]: Starting monitored process 5 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) [2022-07-14 16:01:23,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-07-14 16:01:23,505 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:01:23,505 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:01:23,513 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 16:01:23,513 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_~x=0} Honda state: {id_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 16:01:23,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-07-14 16:01:23,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:01:23,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:01:23,536 INFO L229 MonitoredProcess]: Starting monitored process 6 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) [2022-07-14 16:01:23,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-07-14 16:01:23,538 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-07-14 16:01:23,538 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-07-14 16:01:23,545 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-07-14 16:01:23,545 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#t~ret4=0} Honda state: {id_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-07-14 16:01:23,564 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-07-14 16:01:23,729 INFO L210 LassoAnalysis]: Preferences: [2022-07-14 16:01:23,729 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-07-14 16:01:23,729 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-07-14 16:01:23,729 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-07-14 16:01:23,730 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-07-14 16:01:23,730 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:01:23,730 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-07-14 16:01:23,730 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-07-14 16:01:23,730 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_i10_o10-1.c_Iteration1_Lasso [2022-07-14 16:01:23,730 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-07-14 16:01:23,730 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-07-14 16:01:23,732 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:01:23,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:01:23,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:01:23,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:01:23,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:01:23,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:01:23,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:01:23,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:01:23,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:01:23,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:01:23,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:01:23,791 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:01:23,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:01:23,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:01:23,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:01:23,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-07-14 16:01:23,928 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-07-14 16:01:23,932 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-07-14 16:01:23,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:01:23,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:01:23,948 INFO L229 MonitoredProcess]: Starting monitored process 7 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) [2022-07-14 16:01:23,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-07-14 16:01:23,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:01:23,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:01:23,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-07-14 16:01:23,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:01:23,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-07-14 16:01:23,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:01:23,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-07-14 16:01:23,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-07-14 16:01:24,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-07-14 16:01:24,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-07-14 16:01:24,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:01:24,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:01:24,029 INFO L229 MonitoredProcess]: Starting monitored process 8 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) [2022-07-14 16:01:24,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-07-14 16:01:24,031 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-07-14 16:01:24,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-07-14 16:01:24,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-07-14 16:01:24,039 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-07-14 16:01:24,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-07-14 16:01:24,051 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-07-14 16:01:24,052 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-07-14 16:01:24,079 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-07-14 16:01:24,104 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-07-14 16:01:24,104 INFO L444 ModelExtractionUtils]: 1 out of 11 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-07-14 16:01:24,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-14 16:01:24,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 16:01:24,108 INFO L229 MonitoredProcess]: Starting monitored process 9 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) [2022-07-14 16:01:24,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-07-14 16:01:24,112 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-07-14 16:01:24,132 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2022-07-14 16:01:24,132 INFO L513 LassoAnalysis]: Proved termination. [2022-07-14 16:01:24,133 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(id_#in~x) = 1*id_#in~x Supporting invariants [1*id_#in~x >= 0] [2022-07-14 16:01:24,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-07-14 16:01:24,156 INFO L293 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2022-07-14 16:01:24,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 16:01:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:01:24,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-14 16:01:24,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:01:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 16:01:24,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2022-07-14 16:01:24,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 16:01:24,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-14 16:01:24,322 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-07-14 16:01:24,323 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:01:24,408 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 5 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 35 transitions. Complement of second has 13 states. [2022-07-14 16:01:24,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-07-14 16:01:24,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-14 16:01:24,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. [2022-07-14 16:01:24,415 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2022-07-14 16:01:24,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:01:24,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2022-07-14 16:01:24,416 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:01:24,416 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2022-07-14 16:01:24,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-07-14 16:01:24,417 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2022-07-14 16:01:24,420 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 16:01:24,421 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2022-07-14 16:01:24,422 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-07-14 16:01:24,422 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-07-14 16:01:24,423 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-07-14 16:01:24,423 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-14 16:01:24,423 INFO L369 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 16:01:24,423 INFO L392 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 16:01:24,423 INFO L374 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-14 16:01:24,423 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-14 16:01:24,424 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-07-14 16:01:24,424 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-07-14 16:01:24,424 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-07-14 16:01:24,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.07 04:01:24 BoogieIcfgContainer [2022-07-14 16:01:24,429 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-14 16:01:24,430 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-14 16:01:24,430 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-14 16:01:24,430 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-14 16:01:24,430 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:01:22" (3/4) ... [2022-07-14 16:01:24,433 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-07-14 16:01:24,433 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-14 16:01:24,434 INFO L158 Benchmark]: Toolchain (without parser) took 1847.66ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 59.6MB in the beginning and 59.5MB in the end (delta: 98.5kB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2022-07-14 16:01:24,434 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 92.3MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 16:01:24,435 INFO L158 Benchmark]: CACSL2BoogieTranslator took 151.05ms. Allocated memory is still 92.3MB. Free memory was 59.5MB in the beginning and 68.7MB in the end (delta: -9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-14 16:01:24,435 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.64ms. Allocated memory is still 92.3MB. Free memory was 68.7MB in the beginning and 67.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 16:01:24,436 INFO L158 Benchmark]: Boogie Preprocessor took 9.30ms. Allocated memory is still 92.3MB. Free memory was 67.2MB in the beginning and 66.4MB in the end (delta: 799.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 16:01:24,436 INFO L158 Benchmark]: RCFGBuilder took 181.77ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 58.4MB in the end (delta: 8.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-14 16:01:24,437 INFO L158 Benchmark]: BuchiAutomizer took 1478.86ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 58.1MB in the beginning and 59.5MB in the end (delta: -1.4MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2022-07-14 16:01:24,437 INFO L158 Benchmark]: Witness Printer took 3.37ms. Allocated memory is still 111.1MB. Free memory is still 59.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 16:01:24,439 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 92.3MB. Free memory is still 47.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 151.05ms. Allocated memory is still 92.3MB. Free memory was 59.5MB in the beginning and 68.7MB in the end (delta: -9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.64ms. Allocated memory is still 92.3MB. Free memory was 68.7MB in the beginning and 67.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 9.30ms. Allocated memory is still 92.3MB. Free memory was 67.2MB in the beginning and 66.4MB in the end (delta: 799.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 181.77ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 58.4MB in the end (delta: 8.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1478.86ms. Allocated memory was 92.3MB in the beginning and 111.1MB in the end (delta: 18.9MB). Free memory was 58.1MB in the beginning and 59.5MB in the end (delta: -1.4MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Witness Printer took 3.37ms. Allocated memory is still 111.1MB. Free memory is still 59.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(x) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 18 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 5 mSDtfsCounter, 18 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital43 mio100 ax100 hnf100 lsp64 ukn84 mio100 lsp100 div100 bol100 ite100 ukn100 eq199 hnf96 smp100 dnf145 smp100 tf102 neg94 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 104ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-07-14 16:01:24,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-07-14 16:01:24,685 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE