./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/java_Break.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 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/termination-restricted-15/java_Break.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 3b78c5247923be57eeff561155011486d9ca272341ccd5a0df52195a1b931d59 --- Real Ultimate output --- This is Ultimate 0.2.2-?-2329fc7 [2023-02-14 03:10:16,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-02-14 03:10:16,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-02-14 03:10:17,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-02-14 03:10:17,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-02-14 03:10:17,020 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-02-14 03:10:17,020 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-02-14 03:10:17,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-02-14 03:10:17,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-02-14 03:10:17,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-02-14 03:10:17,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-02-14 03:10:17,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-02-14 03:10:17,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-02-14 03:10:17,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-02-14 03:10:17,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-02-14 03:10:17,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-02-14 03:10:17,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-02-14 03:10:17,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-02-14 03:10:17,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-02-14 03:10:17,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-02-14 03:10:17,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-02-14 03:10:17,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-02-14 03:10:17,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-02-14 03:10:17,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-02-14 03:10:17,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-02-14 03:10:17,055 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-02-14 03:10:17,056 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-02-14 03:10:17,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-02-14 03:10:17,057 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-02-14 03:10:17,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-02-14 03:10:17,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-02-14 03:10:17,060 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-02-14 03:10:17,061 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-02-14 03:10:17,062 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-02-14 03:10:17,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-02-14 03:10:17,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-02-14 03:10:17,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-02-14 03:10:17,065 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-02-14 03:10:17,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-02-14 03:10:17,066 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-02-14 03:10:17,067 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-02-14 03:10:17,069 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-02-14 03:10:17,095 INFO L113 SettingsManager]: Loading preferences was successful [2023-02-14 03:10:17,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-02-14 03:10:17,096 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-02-14 03:10:17,096 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-02-14 03:10:17,097 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-02-14 03:10:17,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-02-14 03:10:17,098 INFO L138 SettingsManager]: * Use SBE=true [2023-02-14 03:10:17,098 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-02-14 03:10:17,098 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-02-14 03:10:17,098 INFO L138 SettingsManager]: * Use old map elimination=false [2023-02-14 03:10:17,099 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2023-02-14 03:10:17,099 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2023-02-14 03:10:17,099 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-02-14 03:10:17,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-02-14 03:10:17,100 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-02-14 03:10:17,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-02-14 03:10:17,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-02-14 03:10:17,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-02-14 03:10:17,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-02-14 03:10:17,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-02-14 03:10:17,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-02-14 03:10:17,101 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-02-14 03:10:17,101 INFO L138 SettingsManager]: * Use constant arrays=true [2023-02-14 03:10:17,101 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-02-14 03:10:17,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-02-14 03:10:17,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-02-14 03:10:17,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-02-14 03:10:17,102 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-02-14 03:10:17,103 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-02-14 03:10:17,104 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b78c5247923be57eeff561155011486d9ca272341ccd5a0df52195a1b931d59 [2023-02-14 03:10:17,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-02-14 03:10:17,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-02-14 03:10:17,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-02-14 03:10:17,414 INFO L271 PluginConnector]: Initializing CDTParser... [2023-02-14 03:10:17,415 INFO L275 PluginConnector]: CDTParser initialized [2023-02-14 03:10:17,416 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/java_Break.c [2023-02-14 03:10:18,498 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-02-14 03:10:18,712 INFO L351 CDTParser]: Found 1 translation units. [2023-02-14 03:10:18,712 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/java_Break.c [2023-02-14 03:10:18,716 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4ca00ef5/5f6bb3c857514b8bb6e4163bb0117cd5/FLAG16355ef0b [2023-02-14 03:10:18,740 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4ca00ef5/5f6bb3c857514b8bb6e4163bb0117cd5 [2023-02-14 03:10:18,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-02-14 03:10:18,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-02-14 03:10:18,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-02-14 03:10:18,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-02-14 03:10:18,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-02-14 03:10:18,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 03:10:18" (1/1) ... [2023-02-14 03:10:18,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@296c2a7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:18, skipping insertion in model container [2023-02-14 03:10:18,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.02 03:10:18" (1/1) ... [2023-02-14 03:10:18,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-02-14 03:10:18,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-02-14 03:10:18,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 03:10:18,881 INFO L203 MainTranslator]: Completed pre-run [2023-02-14 03:10:18,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-02-14 03:10:18,901 INFO L208 MainTranslator]: Completed translation [2023-02-14 03:10:18,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:18 WrapperNode [2023-02-14 03:10:18,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-02-14 03:10:18,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-02-14 03:10:18,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-02-14 03:10:18,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-02-14 03:10:18,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:18" (1/1) ... [2023-02-14 03:10:18,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:18" (1/1) ... [2023-02-14 03:10:18,926 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 14 [2023-02-14 03:10:18,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-02-14 03:10:18,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-02-14 03:10:18,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-02-14 03:10:18,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-02-14 03:10:18,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:18" (1/1) ... [2023-02-14 03:10:18,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:18" (1/1) ... [2023-02-14 03:10:18,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:18" (1/1) ... [2023-02-14 03:10:18,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:18" (1/1) ... [2023-02-14 03:10:18,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:18" (1/1) ... [2023-02-14 03:10:18,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:18" (1/1) ... [2023-02-14 03:10:18,941 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:18" (1/1) ... [2023-02-14 03:10:18,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:18" (1/1) ... [2023-02-14 03:10:18,942 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-02-14 03:10:18,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-02-14 03:10:18,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-02-14 03:10:18,944 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-02-14 03:10:18,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:18" (1/1) ... [2023-02-14 03:10:18,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:18,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:18,975 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) [2023-02-14 03:10:18,981 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 [2023-02-14 03:10:19,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-02-14 03:10:19,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-02-14 03:10:19,065 INFO L235 CfgBuilder]: Building ICFG [2023-02-14 03:10:19,067 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-02-14 03:10:19,103 INFO L276 CfgBuilder]: Performing block encoding [2023-02-14 03:10:19,107 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-02-14 03:10:19,107 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2023-02-14 03:10:19,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 03:10:19 BoogieIcfgContainer [2023-02-14 03:10:19,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-02-14 03:10:19,109 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-02-14 03:10:19,109 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2023-02-14 03:10:19,112 INFO L275 PluginConnector]: BuchiAutomizer initialized [2023-02-14 03:10:19,112 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-14 03:10:19,112 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.02 03:10:18" (1/3) ... [2023-02-14 03:10:19,113 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4102abd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.02 03:10:19, skipping insertion in model container [2023-02-14 03:10:19,113 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-14 03:10:19,113 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.02 03:10:18" (2/3) ... [2023-02-14 03:10:19,113 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4102abd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.02 03:10:19, skipping insertion in model container [2023-02-14 03:10:19,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-02-14 03:10:19,114 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 03:10:19" (3/3) ... [2023-02-14 03:10:19,115 INFO L332 chiAutomizerObserver]: Analyzing ICFG java_Break.c [2023-02-14 03:10:19,157 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-02-14 03:10:19,157 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-02-14 03:10:19,157 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-02-14 03:10:19,157 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-02-14 03:10:19,157 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-02-14 03:10:19,157 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-02-14 03:10:19,157 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-02-14 03:10:19,157 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-02-14 03:10:19,161 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:10:19,172 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-14 03:10:19,174 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-14 03:10:19,174 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-14 03:10:19,177 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-14 03:10:19,178 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-14 03:10:19,178 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-02-14 03:10:19,178 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:10:19,179 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2023-02-14 03:10:19,179 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-02-14 03:10:19,179 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-02-14 03:10:19,180 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-02-14 03:10:19,180 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2023-02-14 03:10:19,186 INFO L748 eck$LassoCheckResult]: Stem: 5#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1, main_~c~0#1;havoc main_~i~0#1;havoc main_~c~0#1;main_~i~0#1 := 0;main_~c~0#1 := 0; 3#L10-2true [2023-02-14 03:10:19,186 INFO L750 eck$LassoCheckResult]: Loop: 3#L10-2true assume !!(main_~i~0#1 <= 10);main_~i~0#1 := 1 + main_~i~0#1;main_~c~0#1 := 1 + main_~c~0#1; 3#L10-2true [2023-02-14 03:10:19,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:10:19,193 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-02-14 03:10:19,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:10:19,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266661349] [2023-02-14 03:10:19,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:10:19,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:10:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:10:19,250 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 03:10:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:10:19,262 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 03:10:19,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:10:19,264 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2023-02-14 03:10:19,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:10:19,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572426006] [2023-02-14 03:10:19,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:10:19,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:10:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:10:19,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 03:10:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:10:19,276 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 03:10:19,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:10:19,278 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2023-02-14 03:10:19,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-02-14 03:10:19,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636071238] [2023-02-14 03:10:19,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-02-14 03:10:19,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-02-14 03:10:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:10:19,285 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-02-14 03:10:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-02-14 03:10:19,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-02-14 03:10:19,334 INFO L210 LassoAnalysis]: Preferences: [2023-02-14 03:10:19,335 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-14 03:10:19,335 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-14 03:10:19,335 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-14 03:10:19,335 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-02-14 03:10:19,335 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:19,336 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-14 03:10:19,336 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-14 03:10:19,336 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_Break.c_Iteration1_Loop [2023-02-14 03:10:19,336 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-14 03:10:19,336 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-14 03:10:19,363 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:10:19,376 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:10:19,382 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:10:19,390 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:10:19,478 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-14 03:10:19,479 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-02-14 03:10:19,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:19,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:19,483 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) [2023-02-14 03:10:19,484 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 [2023-02-14 03:10:19,486 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-14 03:10:19,486 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:10:19,511 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-14 03:10:19,512 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-14 03:10:19,521 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 [2023-02-14 03:10:19,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:19,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:19,522 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) [2023-02-14 03:10:19,524 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 [2023-02-14 03:10:19,578 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-14 03:10:19,578 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:10:19,601 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-02-14 03:10:19,601 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-02-14 03:10:19,605 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 [2023-02-14 03:10:19,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:19,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:19,608 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) [2023-02-14 03:10:19,610 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 [2023-02-14 03:10:19,611 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-02-14 03:10:19,612 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:10:19,640 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 [2023-02-14 03:10:19,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:19,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:19,642 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) [2023-02-14 03:10:19,645 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 [2023-02-14 03:10:19,648 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-02-14 03:10:19,648 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-02-14 03:10:19,677 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-02-14 03:10:19,696 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 [2023-02-14 03:10:19,697 INFO L210 LassoAnalysis]: Preferences: [2023-02-14 03:10:19,697 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-02-14 03:10:19,697 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-02-14 03:10:19,697 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-02-14 03:10:19,697 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-02-14 03:10:19,697 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:19,697 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-02-14 03:10:19,698 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-02-14 03:10:19,698 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_Break.c_Iteration1_Loop [2023-02-14 03:10:19,698 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-02-14 03:10:19,698 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-02-14 03:10:19,700 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:10:19,707 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:10:19,711 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:10:19,717 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-02-14 03:10:19,760 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-02-14 03:10:19,763 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-02-14 03:10:19,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:19,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:19,765 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) [2023-02-14 03:10:19,767 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 [2023-02-14 03:10:19,768 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 [2023-02-14 03:10:19,775 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-14 03:10:19,775 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:10:19,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-14 03:10:19,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-14 03:10:19,779 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-14 03:10:19,780 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-14 03:10:19,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-14 03:10:19,803 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 [2023-02-14 03:10:19,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:19,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:19,804 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) [2023-02-14 03:10:19,829 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 [2023-02-14 03:10:19,830 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 [2023-02-14 03:10:19,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-14 03:10:19,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:10:19,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-14 03:10:19,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-14 03:10:19,841 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-02-14 03:10:19,842 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-02-14 03:10:19,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-02-14 03:10:19,862 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 [2023-02-14 03:10:19,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:19,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:19,863 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) [2023-02-14 03:10:19,866 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 [2023-02-14 03:10:19,867 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 [2023-02-14 03:10:19,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-02-14 03:10:19,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-02-14 03:10:19,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-02-14 03:10:19,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-02-14 03:10:19,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-02-14 03:10:19,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-02-14 03:10:19,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-02-14 03:10:19,893 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-02-14 03:10:19,904 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-02-14 03:10:19,904 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-02-14 03:10:19,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-02-14 03:10:19,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-02-14 03:10:19,919 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) [2023-02-14 03:10:19,921 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 [2023-02-14 03:10:19,922 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-02-14 03:10:19,922 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-02-14 03:10:19,922 INFO L513 LassoAnalysis]: Proved termination. [2023-02-14 03:10:19,923 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 21 Supporting invariants [] [2023-02-14 03:10:19,927 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 [2023-02-14 03:10:19,931 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-02-14 03:10:19,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-02-14 03:10:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:10:19,981 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2023-02-14 03:10:19,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 03:10:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-02-14 03:10:20,004 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2023-02-14 03:10:20,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-02-14 03:10:20,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-02-14 03:10:20,033 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2023-02-14 03:10:20,034 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:10:20,061 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 19 transitions. Complement of second has 5 states. [2023-02-14 03:10:20,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-02-14 03:10:20,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-02-14 03:10:20,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2023-02-14 03:10:20,069 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 1 letters. [2023-02-14 03:10:20,069 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-14 03:10:20,069 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 1 letters. [2023-02-14 03:10:20,091 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-14 03:10:20,091 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. [2023-02-14 03:10:20,091 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-02-14 03:10:20,092 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2023-02-14 03:10:20,093 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-14 03:10:20,094 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2023-02-14 03:10:20,095 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-02-14 03:10:20,095 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-02-14 03:10:20,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-02-14 03:10:20,095 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-02-14 03:10:20,095 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-14 03:10:20,095 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-14 03:10:20,096 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-02-14 03:10:20,096 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-02-14 03:10:20,096 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-02-14 03:10:20,096 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-02-14 03:10:20,096 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-02-14 03:10:20,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.02 03:10:20 BoogieIcfgContainer [2023-02-14 03:10:20,100 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-02-14 03:10:20,101 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-02-14 03:10:20,101 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-02-14 03:10:20,101 INFO L275 PluginConnector]: Witness Printer initialized [2023-02-14 03:10:20,101 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.02 03:10:19" (3/4) ... [2023-02-14 03:10:20,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-02-14 03:10:20,105 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-02-14 03:10:20,115 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-02-14 03:10:20,116 INFO L158 Benchmark]: Toolchain (without parser) took 1371.80ms. Allocated memory is still 159.4MB. Free memory was 128.9MB in the beginning and 128.1MB in the end (delta: 729.6kB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2023-02-14 03:10:20,116 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 119.5MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 03:10:20,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 157.80ms. Allocated memory is still 159.4MB. Free memory was 128.5MB in the beginning and 119.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-14 03:10:20,122 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.55ms. Allocated memory is still 159.4MB. Free memory was 119.7MB in the beginning and 118.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-02-14 03:10:20,122 INFO L158 Benchmark]: Boogie Preprocessor took 15.19ms. Allocated memory is still 159.4MB. Free memory was 118.5MB in the beginning and 117.5MB in the end (delta: 965.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 03:10:20,122 INFO L158 Benchmark]: RCFGBuilder took 165.27ms. Allocated memory is still 159.4MB. Free memory was 117.5MB in the beginning and 109.3MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-02-14 03:10:20,123 INFO L158 Benchmark]: BuchiAutomizer took 991.16ms. Allocated memory is still 159.4MB. Free memory was 109.1MB in the beginning and 128.2MB in the end (delta: -19.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 03:10:20,123 INFO L158 Benchmark]: Witness Printer took 14.35ms. Allocated memory is still 159.4MB. Free memory is still 128.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-02-14 03:10:20,125 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 119.5MB. Free memory is still 73.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 157.80ms. Allocated memory is still 159.4MB. Free memory was 128.5MB in the beginning and 119.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.55ms. Allocated memory is still 159.4MB. Free memory was 119.7MB in the beginning and 118.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 15.19ms. Allocated memory is still 159.4MB. Free memory was 118.5MB in the beginning and 117.5MB in the end (delta: 965.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 165.27ms. Allocated memory is still 159.4MB. Free memory was 117.5MB in the beginning and 109.3MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 991.16ms. Allocated memory is still 159.4MB. Free memory was 109.1MB in the beginning and 128.2MB in the end (delta: -19.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 14.35ms. Allocated memory is still 159.4MB. Free memory is still 128.1MB. 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 -2 * i + 21 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax179 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 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! [2023-02-14 03:10:20,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE