./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive/Addition03-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e19ca921 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/Addition03-1.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 2b4726bd085117d6d28f7ec87f442bbec9d0d87c17bc39b8147695c8c5a6ec7b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 20:26:53,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 20:26:53,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 20:26:53,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 20:26:53,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 20:26:53,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 20:26:53,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 20:26:53,987 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 20:26:53,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 20:26:53,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 20:26:53,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 20:26:53,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 20:26:53,993 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 20:26:53,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 20:26:53,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 20:26:54,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 20:26:54,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 20:26:54,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 20:26:54,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 20:26:54,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 20:26:54,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 20:26:54,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 20:26:54,013 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 20:26:54,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 20:26:54,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 20:26:54,017 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 20:26:54,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 20:26:54,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 20:26:54,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 20:26:54,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 20:26:54,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 20:26:54,020 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 20:26:54,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 20:26:54,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 20:26:54,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 20:26:54,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 20:26:54,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 20:26:54,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 20:26:54,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 20:26:54,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 20:26:54,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 20:26:54,026 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-22 20:26:54,056 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 20:26:54,056 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 20:26:54,056 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 20:26:54,056 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 20:26:54,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 20:26:54,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 20:26:54,058 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 20:26:54,058 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-22 20:26:54,058 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-22 20:26:54,058 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-22 20:26:54,059 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-22 20:26:54,059 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-22 20:26:54,059 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-22 20:26:54,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 20:26:54,060 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 20:26:54,060 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 20:26:54,060 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 20:26:54,060 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 20:26:54,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 20:26:54,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-22 20:26:54,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-22 20:26:54,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-22 20:26:54,061 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 20:26:54,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 20:26:54,062 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-22 20:26:54,062 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 20:26:54,062 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-22 20:26:54,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 20:26:54,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 20:26:54,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 20:26:54,063 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 20:26:54,063 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 20:26:54,064 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-22 20:26:54,064 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b4726bd085117d6d28f7ec87f442bbec9d0d87c17bc39b8147695c8c5a6ec7b [2021-12-22 20:26:54,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 20:26:54,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 20:26:54,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 20:26:54,297 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 20:26:54,304 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 20:26:54,305 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Addition03-1.c [2021-12-22 20:26:54,365 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73a0f305b/23ee23afe01d46d599b0e5993809c31c/FLAG01b25fdb3 [2021-12-22 20:26:54,756 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 20:26:54,758 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Addition03-1.c [2021-12-22 20:26:54,767 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73a0f305b/23ee23afe01d46d599b0e5993809c31c/FLAG01b25fdb3 [2021-12-22 20:26:55,165 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73a0f305b/23ee23afe01d46d599b0e5993809c31c [2021-12-22 20:26:55,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 20:26:55,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 20:26:55,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 20:26:55,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 20:26:55,186 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 20:26:55,187 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:26:55" (1/1) ... [2021-12-22 20:26:55,188 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ed25b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:26:55, skipping insertion in model container [2021-12-22 20:26:55,188 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:26:55" (1/1) ... [2021-12-22 20:26:55,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 20:26:55,218 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 20:26:55,414 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/Addition03-1.c[840,853] [2021-12-22 20:26:55,415 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:26:55,421 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 20:26:55,431 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/Addition03-1.c[840,853] [2021-12-22 20:26:55,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:26:55,439 INFO L208 MainTranslator]: Completed translation [2021-12-22 20:26:55,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:26:55 WrapperNode [2021-12-22 20:26:55,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 20:26:55,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 20:26:55,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 20:26:55,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 20:26:55,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:26:55" (1/1) ... [2021-12-22 20:26:55,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:26:55" (1/1) ... [2021-12-22 20:26:55,459 INFO L137 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2021-12-22 20:26:55,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 20:26:55,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 20:26:55,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 20:26:55,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 20:26:55,464 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:26:55" (1/1) ... [2021-12-22 20:26:55,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:26:55" (1/1) ... [2021-12-22 20:26:55,465 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:26:55" (1/1) ... [2021-12-22 20:26:55,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:26:55" (1/1) ... [2021-12-22 20:26:55,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:26:55" (1/1) ... [2021-12-22 20:26:55,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:26:55" (1/1) ... [2021-12-22 20:26:55,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:26:55" (1/1) ... [2021-12-22 20:26:55,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 20:26:55,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 20:26:55,479 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 20:26:55,479 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 20:26:55,480 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:26:55" (1/1) ... [2021-12-22 20:26:55,484 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:26:55,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:26:55,512 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) [2021-12-22 20:26:55,519 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 [2021-12-22 20:26:55,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 20:26:55,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 20:26:55,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 20:26:55,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 20:26:55,549 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2021-12-22 20:26:55,549 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2021-12-22 20:26:55,593 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 20:26:55,594 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 20:26:55,671 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 20:26:55,675 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 20:26:55,675 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-22 20:26:55,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:26:55 BoogieIcfgContainer [2021-12-22 20:26:55,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 20:26:55,677 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-22 20:26:55,677 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-22 20:26:55,679 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-22 20:26:55,679 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:26:55,680 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.12 08:26:55" (1/3) ... [2021-12-22 20:26:55,681 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1edea645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:26:55, skipping insertion in model container [2021-12-22 20:26:55,681 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:26:55,681 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:26:55" (2/3) ... [2021-12-22 20:26:55,681 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1edea645 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:26:55, skipping insertion in model container [2021-12-22 20:26:55,681 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:26:55,681 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:26:55" (3/3) ... [2021-12-22 20:26:55,682 INFO L388 chiAutomizerObserver]: Analyzing ICFG Addition03-1.c [2021-12-22 20:26:55,712 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-22 20:26:55,713 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-22 20:26:55,713 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-22 20:26:55,713 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-22 20:26:55,713 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-22 20:26:55,713 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-22 20:26:55,713 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-22 20:26:55,713 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-22 20:26:55,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-22 20:26:55,734 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-22 20:26:55,734 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:26:55,734 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:26:55,739 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-22 20:26:55,739 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-22 20:26:55,740 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-22 20:26:55,741 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2021-12-22 20:26:55,745 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-22 20:26:55,755 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:26:55,755 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:26:55,755 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-22 20:26:55,755 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-22 20:26:55,760 INFO L791 eck$LassoCheckResult]: Stem: 5#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); 11#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~result~0#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 10#L31true call main_#t~ret8#1 := addition(main_~m~0#1, main_~n~0#1);< 9#additionENTRYtrue [2021-12-22 20:26:55,760 INFO L793 eck$LassoCheckResult]: Loop: 9#additionENTRYtrue ~m := #in~m;~n := #in~n; 7#L16true assume !(0 == ~n); 14#L19true assume ~n > 0; 15#L20true call #t~ret4 := addition(1 + ~m, ~n - 1);< 9#additionENTRYtrue [2021-12-22 20:26:55,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:26:55,764 INFO L85 PathProgramCache]: Analyzing trace with hash 29886, now seen corresponding path program 1 times [2021-12-22 20:26:55,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:26:55,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323585345] [2021-12-22 20:26:55,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:26:55,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:26:55,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:26:55,824 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:26:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:26:55,852 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:26:55,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:26:55,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1389362, now seen corresponding path program 1 times [2021-12-22 20:26:55,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:26:55,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850228636] [2021-12-22 20:26:55,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:26:55,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:26:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:26:55,870 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:26:55,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:26:55,880 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:26:55,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:26:55,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1831010671, now seen corresponding path program 1 times [2021-12-22 20:26:55,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:26:55,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623283857] [2021-12-22 20:26:55,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:26:55,882 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:26:55,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:26:55,902 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:26:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:26:55,919 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:26:56,088 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 20:26:56,089 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 20:26:56,089 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 20:26:56,089 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 20:26:56,089 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-22 20:26:56,089 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:26:56,089 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 20:26:56,089 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 20:26:56,089 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration1_Loop [2021-12-22 20:26:56,089 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 20:26:56,090 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 20:26:56,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:26:56,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:26:56,113 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:26:56,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:26:56,120 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:26:56,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:26:56,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:26:56,185 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 20:26:56,186 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-22 20:26:56,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:26:56,187 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:26:56,204 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) [2021-12-22 20:26:56,219 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 [2021-12-22 20:26:56,219 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 20:26:56,219 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:26:56,243 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-22 20:26:56,243 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret4=0} Honda state: {addition_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-22 20:26:56,263 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 [2021-12-22 20:26:56,263 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:26:56,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:26:56,264 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) [2021-12-22 20:26:56,265 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 [2021-12-22 20:26:56,267 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 20:26:56,267 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:26:56,275 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-22 20:26:56,275 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_~m=0} Honda state: {addition_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-22 20:26:56,319 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 [2021-12-22 20:26:56,319 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:26:56,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:26:56,320 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) [2021-12-22 20:26:56,322 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 [2021-12-22 20:26:56,323 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 20:26:56,323 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:26:56,366 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 [2021-12-22 20:26:56,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:26:56,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:26:56,381 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) [2021-12-22 20:26:56,383 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 [2021-12-22 20:26:56,391 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-22 20:26:56,391 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:26:56,424 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-22 20:26:56,425 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=0} Honda state: {addition_#in~m=0} Generalized eigenvectors: [{addition_#in~m=-5}, {addition_#in~m=0}, {addition_#in~m=6}] Lambdas: [1, 6, 1] Nus: [1, 0] [2021-12-22 20:26:56,458 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 [2021-12-22 20:26:56,458 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:26:56,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:26:56,463 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) [2021-12-22 20:26:56,469 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 [2021-12-22 20:26:56,470 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 20:26:56,470 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:26:56,489 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-22 20:26:56,489 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-22 20:26:56,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-22 20:26:56,508 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:26:56,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:26:56,509 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) [2021-12-22 20:26:56,510 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 [2021-12-22 20:26:56,511 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 20:26:56,511 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:26:56,549 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 [2021-12-22 20:26:56,550 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:26:56,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:26:56,551 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) [2021-12-22 20:26:56,552 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 [2021-12-22 20:26:56,553 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-22 20:26:56,553 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:26:56,583 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-22 20:26:56,588 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 [2021-12-22 20:26:56,589 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 20:26:56,589 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 20:26:56,589 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 20:26:56,589 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 20:26:56,589 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-22 20:26:56,589 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:26:56,589 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 20:26:56,589 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 20:26:56,589 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration1_Loop [2021-12-22 20:26:56,589 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 20:26:56,589 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 20:26:56,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:26:56,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:26:56,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:26:56,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:26:56,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:26:56,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:26:56,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:26:56,643 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 20:26:56,646 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-22 20:26:56,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:26:56,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:26:56,662 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) [2021-12-22 20:26:56,663 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 [2021-12-22 20:26:56,670 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 [2021-12-22 20:26:56,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:26:56,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:26:56,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:26:56,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:26:56,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:26:56,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:26:56,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:26:56,690 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:26:56,706 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 [2021-12-22 20:26:56,706 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:26:56,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:26:56,707 INFO L229 MonitoredProcess]: Starting monitored process 10 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) [2021-12-22 20:26:56,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-22 20:26:56,709 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 [2021-12-22 20:26:56,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:26:56,716 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:26:56,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:26:56,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:26:56,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:26:56,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:26:56,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:26:56,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:26:56,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-12-22 20:26:56,741 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:26:56,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:26:56,743 INFO L229 MonitoredProcess]: Starting monitored process 11 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) [2021-12-22 20:26:56,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-22 20:26:56,745 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 [2021-12-22 20:26:56,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:26:56,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:26:56,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:26:56,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:26:56,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:26:56,752 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:26:56,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:26:56,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:26:56,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-22 20:26:56,770 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:26:56,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:26:56,771 INFO L229 MonitoredProcess]: Starting monitored process 12 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) [2021-12-22 20:26:56,772 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 [2021-12-22 20:26:56,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-22 20:26:56,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:26:56,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:26:56,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:26:56,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:26:56,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:26:56,779 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:26:56,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:26:56,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:26:56,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-22 20:26:56,817 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:26:56,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:26:56,818 INFO L229 MonitoredProcess]: Starting monitored process 13 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) [2021-12-22 20:26:56,825 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-22 20:26:56,825 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 [2021-12-22 20:26:56,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:26:56,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:26:56,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:26:56,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:26:56,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:26:56,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:26:56,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:26:56,836 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:26:56,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-22 20:26:56,852 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:26:56,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:26:56,853 INFO L229 MonitoredProcess]: Starting monitored process 14 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) [2021-12-22 20:26:56,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-22 20:26:56,857 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 [2021-12-22 20:26:56,864 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:26:56,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:26:56,865 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:26:56,865 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:26:56,865 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:26:56,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:26:56,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:26:56,892 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-22 20:26:56,911 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-22 20:26:56,911 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-22 20:26:56,912 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:26:56,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:26:56,913 INFO L229 MonitoredProcess]: Starting monitored process 15 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) [2021-12-22 20:26:56,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-22 20:26:56,915 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-22 20:26:56,915 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-22 20:26:56,915 INFO L513 LassoAnalysis]: Proved termination. [2021-12-22 20:26:56,916 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_#in~n) = 1*addition_#in~n Supporting invariants [] [2021-12-22 20:26:56,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-22 20:26:56,934 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-22 20:26:56,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:26:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:26:56,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-22 20:26:56,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:26:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:26:56,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-22 20:26:56,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:26:57,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:26:57,027 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-22 20:26:57,028 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-12-22 20:26:57,088 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 14 states have (on average 1.2857142857142858) internal successors, (18), 14 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 49 states and 67 transitions. Complement of second has 12 states. [2021-12-22 20:26:57,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-22 20:26:57,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-12-22 20:26:57,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-12-22 20:26:57,094 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 3 letters. Loop has 4 letters. [2021-12-22 20:26:57,094 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:26:57,094 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 4 letters. [2021-12-22 20:26:57,095 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:26:57,095 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 3 letters. Loop has 8 letters. [2021-12-22 20:26:57,095 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:26:57,095 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 67 transitions. [2021-12-22 20:26:57,098 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-22 20:26:57,101 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 25 states and 28 transitions. [2021-12-22 20:26:57,101 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-12-22 20:26:57,101 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-12-22 20:26:57,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 28 transitions. [2021-12-22 20:26:57,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-22 20:26:57,102 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 28 transitions. [2021-12-22 20:26:57,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 28 transitions. [2021-12-22 20:26:57,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 16. [2021-12-22 20:26:57,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.25) internal successors, (15), 12 states have internal predecessors, (15), 4 states have call successors, (4), 3 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:26:57,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2021-12-22 20:26:57,118 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-12-22 20:26:57,118 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-12-22 20:26:57,118 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-22 20:26:57,118 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2021-12-22 20:26:57,119 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-22 20:26:57,119 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:26:57,119 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:26:57,119 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-22 20:26:57,119 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-22 20:26:57,119 INFO L791 eck$LassoCheckResult]: Stem: 129#ULTIMATE.startENTRY 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); 130#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~result~0#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 127#L31 call main_#t~ret8#1 := addition(main_~m~0#1, main_~n~0#1);< 136#additionENTRY ~m := #in~m;~n := #in~n; 131#L16 assume !(0 == ~n); 132#L19 assume !(~n > 0); 135#L22 [2021-12-22 20:26:57,119 INFO L793 eck$LassoCheckResult]: Loop: 135#L22 assume ~n < 0; 124#L23 call #t~ret5 := addition(~m - 1, 1 + ~n);< 126#additionENTRY ~m := #in~m;~n := #in~n; 139#L16 assume !(0 == ~n); 138#L19 assume !(~n > 0); 135#L22 [2021-12-22 20:26:57,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:26:57,120 INFO L85 PathProgramCache]: Analyzing trace with hash 890348855, now seen corresponding path program 1 times [2021-12-22 20:26:57,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:26:57,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117434772] [2021-12-22 20:26:57,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:26:57,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:26:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:26:57,125 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:26:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:26:57,129 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:26:57,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:26:57,130 INFO L85 PathProgramCache]: Analyzing trace with hash 55605035, now seen corresponding path program 1 times [2021-12-22 20:26:57,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:26:57,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033764374] [2021-12-22 20:26:57,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:26:57,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:26:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:26:57,133 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:26:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:26:57,136 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:26:57,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:26:57,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1017357237, now seen corresponding path program 1 times [2021-12-22 20:26:57,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:26:57,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330536476] [2021-12-22 20:26:57,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:26:57,149 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:26:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:26:57,155 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:26:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:26:57,161 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:26:57,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-22 20:26:57,238 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 20:26:57,238 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 20:26:57,238 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 20:26:57,238 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 20:26:57,238 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-22 20:26:57,238 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:26:57,238 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 20:26:57,238 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 20:26:57,238 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration2_Loop [2021-12-22 20:26:57,238 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 20:26:57,238 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 20:26:57,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:26:57,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:26:57,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:26:57,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:26:57,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:26:57,299 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 20:26:57,299 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-22 20:26:57,299 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:26:57,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:26:57,300 INFO L229 MonitoredProcess]: Starting monitored process 16 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) [2021-12-22 20:26:57,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-22 20:26:57,328 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 20:26:57,328 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:26:57,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-22 20:26:57,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:26:57,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:26:57,381 INFO L229 MonitoredProcess]: Starting monitored process 17 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) [2021-12-22 20:26:57,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-22 20:26:57,384 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-22 20:26:57,384 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:26:57,558 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-22 20:26:57,558 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=-1, addition_~m=-8} Honda state: {addition_#in~m=-1, addition_~m=-8} Generalized eigenvectors: [{addition_#in~m=-1, addition_~m=-1}, {addition_#in~m=1, addition_~m=0}, {addition_#in~m=-8, addition_~m=0}] Lambdas: [1, 8, 0] Nus: [0, 1] [2021-12-22 20:26:57,576 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-22 20:26:57,576 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:26:57,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:26:57,577 INFO L229 MonitoredProcess]: Starting monitored process 18 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) [2021-12-22 20:26:57,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-22 20:26:57,596 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 20:26:57,596 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:26:57,619 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-22 20:26:57,619 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret4=0} Honda state: {addition_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-22 20:26:57,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-22 20:26:57,659 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:26:57,660 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:26:57,661 INFO L229 MonitoredProcess]: Starting monitored process 19 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) [2021-12-22 20:26:57,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-22 20:26:57,663 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 20:26:57,663 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:26:57,683 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-22 20:26:57,684 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret5=0} Honda state: {addition_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-22 20:26:57,700 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-22 20:26:57,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:26:57,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:26:57,701 INFO L229 MonitoredProcess]: Starting monitored process 20 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) [2021-12-22 20:26:57,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-22 20:26:57,705 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 20:26:57,705 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:26:57,719 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-22 20:26:57,720 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-22 20:26:57,735 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-12-22 20:26:57,736 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:26:57,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:26:57,737 INFO L229 MonitoredProcess]: Starting monitored process 21 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) [2021-12-22 20:26:57,742 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-22 20:26:57,742 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 20:26:57,742 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:26:57,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-22 20:26:57,773 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:26:57,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:26:57,773 INFO L229 MonitoredProcess]: Starting monitored process 22 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) [2021-12-22 20:26:57,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-22 20:26:57,775 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-22 20:26:57,776 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:27:02,809 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-22 20:27:02,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-22 20:27:02,816 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 20:27:02,817 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 20:27:02,817 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 20:27:02,817 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 20:27:02,817 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-22 20:27:02,817 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:27:02,817 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 20:27:02,817 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 20:27:02,817 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration2_Loop [2021-12-22 20:27:02,817 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 20:27:02,817 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 20:27:02,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:27:02,820 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:27:02,821 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:27:02,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:27:02,827 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:27:02,883 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 20:27:02,883 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-22 20:27:02,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:27:02,883 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:27:02,908 INFO L229 MonitoredProcess]: Starting monitored process 23 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) [2021-12-22 20:27:02,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-22 20:27:02,909 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 [2021-12-22 20:27:02,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:27:02,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:27:02,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:27:02,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:27:02,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:27:02,917 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:27:02,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:27:02,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:27:02,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-22 20:27:02,962 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:27:02,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:27:02,963 INFO L229 MonitoredProcess]: Starting monitored process 24 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) [2021-12-22 20:27:02,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-22 20:27:02,965 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 [2021-12-22 20:27:02,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:27:02,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:27:02,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:27:02,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:27:02,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:27:02,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:27:02,973 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:27:02,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:27:02,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-22 20:27:03,000 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:27:03,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:27:03,001 INFO L229 MonitoredProcess]: Starting monitored process 25 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) [2021-12-22 20:27:03,001 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-22 20:27:03,002 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 [2021-12-22 20:27:03,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:27:03,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:27:03,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:27:03,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:27:03,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:27:03,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:27:03,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:27:03,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:27:03,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-22 20:27:03,044 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:27:03,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:27:03,045 INFO L229 MonitoredProcess]: Starting monitored process 26 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) [2021-12-22 20:27:03,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-22 20:27:03,047 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 [2021-12-22 20:27:03,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:27:03,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:27:03,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:27:03,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:27:03,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:27:03,054 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:27:03,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:27:03,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:27:03,085 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-12-22 20:27:03,086 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:27:03,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:27:03,087 INFO L229 MonitoredProcess]: Starting monitored process 27 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) [2021-12-22 20:27:03,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-22 20:27:03,090 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 [2021-12-22 20:27:03,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:27:03,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:27:03,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:27:03,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:27:03,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:27:03,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:27:03,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:27:03,138 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-22 20:27:03,142 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-22 20:27:03,142 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-22 20:27:03,142 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:27:03,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:27:03,144 INFO L229 MonitoredProcess]: Starting monitored process 28 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) [2021-12-22 20:27:03,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-22 20:27:03,146 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-22 20:27:03,146 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-22 20:27:03,146 INFO L513 LassoAnalysis]: Proved termination. [2021-12-22 20:27:03,146 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = -1*addition_~n Supporting invariants [] [2021-12-22 20:27:03,162 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-22 20:27:03,172 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-22 20:27:03,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:27:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:27:03,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-22 20:27:03,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:27:03,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:27:03,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-22 20:27:03,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:27:03,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:27:03,283 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2021-12-22 20:27:03,283 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:27:03,327 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 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. [2021-12-22 20:27:03,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-12-22 20:27:03,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:27:03,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2021-12-22 20:27:03,329 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 6 letters. Loop has 5 letters. [2021-12-22 20:27:03,330 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:27:03,330 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 11 letters. Loop has 5 letters. [2021-12-22 20:27:03,330 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:27:03,330 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 6 letters. Loop has 10 letters. [2021-12-22 20:27:03,330 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:27:03,330 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2021-12-22 20:27:03,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-12-22 20:27:03,332 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-22 20:27:03,333 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 25 states and 29 transitions. [2021-12-22 20:27:03,333 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-12-22 20:27:03,333 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-12-22 20:27:03,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 29 transitions. [2021-12-22 20:27:03,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-22 20:27:03,333 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-12-22 20:27:03,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 29 transitions. [2021-12-22 20:27:03,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2021-12-22 20:27:03,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:27:03,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2021-12-22 20:27:03,335 INFO L704 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-12-22 20:27:03,335 INFO L587 BuchiCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-12-22 20:27:03,335 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-22 20:27:03,335 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 27 transitions. [2021-12-22 20:27:03,336 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-22 20:27:03,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:27:03,336 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:27:03,336 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:27:03,336 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-22 20:27:03,337 INFO L791 eck$LassoCheckResult]: Stem: 243#ULTIMATE.startENTRY 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); 244#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~ret8#1, main_~m~0#1, main_~n~0#1, main_~result~0#1;main_~m~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 241#L31 call main_#t~ret8#1 := addition(main_~m~0#1, main_~n~0#1);< 253#additionENTRY ~m := #in~m;~n := #in~n; 245#L16 assume !(0 == ~n); 246#L19 assume !(~n > 0); 250#L22 assume ~n < 0; 239#L23 call #t~ret5 := addition(~m - 1, 1 + ~n);< 240#additionENTRY ~m := #in~m;~n := #in~n; 247#L16 assume !(0 == ~n); 249#L19 assume ~n > 0; 237#L20 [2021-12-22 20:27:03,337 INFO L793 eck$LassoCheckResult]: Loop: 237#L20 call #t~ret4 := addition(1 + ~m, ~n - 1);< 238#additionENTRY ~m := #in~m;~n := #in~n; 252#L16 assume !(0 == ~n); 257#L19 assume ~n > 0; 237#L20 [2021-12-22 20:27:03,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:27:03,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1017357234, now seen corresponding path program 1 times [2021-12-22 20:27:03,337 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:27:03,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319337174] [2021-12-22 20:27:03,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:27:03,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:27:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:27:03,374 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:27:03,374 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:27:03,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319337174] [2021-12-22 20:27:03,375 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319337174] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 20:27:03,375 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 20:27:03,375 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-22 20:27:03,376 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795713023] [2021-12-22 20:27:03,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 20:27:03,378 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-22 20:27:03,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:27:03,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1981232, now seen corresponding path program 2 times [2021-12-22 20:27:03,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:27:03,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053344000] [2021-12-22 20:27:03,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:27:03,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:27:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:27:03,382 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:27:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:27:03,385 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:27:03,443 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 20:27:03,443 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 20:27:03,443 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 20:27:03,443 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 20:27:03,443 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-22 20:27:03,444 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:27:03,444 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 20:27:03,444 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 20:27:03,444 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration3_Loop [2021-12-22 20:27:03,444 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 20:27:03,444 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 20:27:03,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:27:03,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:27:03,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:27:03,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:27:03,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:27:03,509 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 20:27:03,509 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-22 20:27:03,509 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:27:03,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:27:03,510 INFO L229 MonitoredProcess]: Starting monitored process 29 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) [2021-12-22 20:27:03,512 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-22 20:27:03,513 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 20:27:03,513 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:27:03,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-22 20:27:03,549 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:27:03,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:27:03,550 INFO L229 MonitoredProcess]: Starting monitored process 30 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) [2021-12-22 20:27:03,551 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-22 20:27:03,552 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-22 20:27:03,552 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:27:03,656 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-22 20:27:03,656 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=-4, addition_~m=-4} Honda state: {addition_#in~m=-4, addition_~m=-4} Generalized eigenvectors: [{addition_#in~m=5, addition_~m=5}, {addition_#in~m=0, addition_~m=0}, {addition_#in~m=-4, addition_~m=-4}] Lambdas: [1, 11, 1] Nus: [0, 0] [2021-12-22 20:27:03,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-22 20:27:03,673 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:27:03,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:27:03,674 INFO L229 MonitoredProcess]: Starting monitored process 31 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) [2021-12-22 20:27:03,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-22 20:27:03,677 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 20:27:03,677 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:27:03,685 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-22 20:27:03,685 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret4=0} Honda state: {addition_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-22 20:27:03,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-12-22 20:27:03,705 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:27:03,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:27:03,706 INFO L229 MonitoredProcess]: Starting monitored process 32 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) [2021-12-22 20:27:03,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-22 20:27:03,708 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 20:27:03,708 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:27:03,729 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-22 20:27:03,729 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret5=0} Honda state: {addition_#t~ret5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-22 20:27:03,747 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-12-22 20:27:03,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:27:03,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:27:03,748 INFO L229 MonitoredProcess]: Starting monitored process 33 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) [2021-12-22 20:27:03,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-22 20:27:03,750 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 20:27:03,750 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:27:03,771 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-22 20:27:03,771 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-22 20:27:03,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-12-22 20:27:03,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:27:03,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:27:03,789 INFO L229 MonitoredProcess]: Starting monitored process 34 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) [2021-12-22 20:27:03,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-22 20:27:03,791 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-22 20:27:03,791 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:27:03,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-12-22 20:27:03,829 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:27:03,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:27:03,830 INFO L229 MonitoredProcess]: Starting monitored process 35 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) [2021-12-22 20:27:03,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-22 20:27:03,832 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-22 20:27:03,832 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-22 20:27:04,717 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-22 20:27:04,723 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-12-22 20:27:04,723 INFO L210 LassoAnalysis]: Preferences: [2021-12-22 20:27:04,724 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-22 20:27:04,724 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-22 20:27:04,724 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-22 20:27:04,724 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-22 20:27:04,724 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:27:04,724 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-22 20:27:04,724 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-22 20:27:04,724 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition03-1.c_Iteration3_Loop [2021-12-22 20:27:04,724 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-22 20:27:04,724 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-22 20:27:04,724 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:27:04,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:27:04,730 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:27:04,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:27:04,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-22 20:27:04,764 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-22 20:27:04,764 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-22 20:27:04,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:27:04,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:27:04,766 INFO L229 MonitoredProcess]: Starting monitored process 36 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) [2021-12-22 20:27:04,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-22 20:27:04,768 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 [2021-12-22 20:27:04,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:27:04,774 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:27:04,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:27:04,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:27:04,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:27:04,775 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:27:04,775 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:27:04,776 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:27:04,794 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-12-22 20:27:04,794 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:27:04,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:27:04,795 INFO L229 MonitoredProcess]: Starting monitored process 37 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) [2021-12-22 20:27:04,796 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-22 20:27:04,797 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 [2021-12-22 20:27:04,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:27:04,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:27:04,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:27:04,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:27:04,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:27:04,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:27:04,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:27:04,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:27:04,819 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-22 20:27:04,819 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:27:04,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:27:04,821 INFO L229 MonitoredProcess]: Starting monitored process 38 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) [2021-12-22 20:27:04,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-22 20:27:04,823 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 [2021-12-22 20:27:04,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:27:04,828 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:27:04,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:27:04,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:27:04,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:27:04,829 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:27:04,829 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:27:04,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-22 20:27:04,860 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-12-22 20:27:04,860 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:27:04,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:27:04,861 INFO L229 MonitoredProcess]: Starting monitored process 39 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) [2021-12-22 20:27:04,863 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-22 20:27:04,864 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 [2021-12-22 20:27:04,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-22 20:27:04,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-22 20:27:04,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-22 20:27:04,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-22 20:27:04,870 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-22 20:27:04,872 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-22 20:27:04,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-22 20:27:04,874 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-22 20:27:04,876 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-22 20:27:04,876 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-22 20:27:04,876 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:27:04,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:27:04,877 INFO L229 MonitoredProcess]: Starting monitored process 40 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) [2021-12-22 20:27:04,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-22 20:27:04,881 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-22 20:27:04,881 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-22 20:27:04,881 INFO L513 LassoAnalysis]: Proved termination. [2021-12-22 20:27:04,881 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = 1*addition_~n Supporting invariants [] [2021-12-22 20:27:04,897 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-22 20:27:04,898 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-22 20:27:04,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:27:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:27:04,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-22 20:27:04,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:27:04,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:27:04,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-22 20:27:04,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-22 20:27:05,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:27:05,006 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-22 20:27:05,006 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 27 transitions. cyclomatic complexity: 7 Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:27:05,038 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 27 transitions. cyclomatic complexity: 7. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 55 states and 63 transitions. Complement of second has 9 states. [2021-12-22 20:27:05,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-22 20:27:05,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:27:05,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2021-12-22 20:27:05,041 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 4 letters. [2021-12-22 20:27:05,041 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:27:05,041 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 15 letters. Loop has 4 letters. [2021-12-22 20:27:05,042 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:27:05,042 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 8 letters. [2021-12-22 20:27:05,042 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-22 20:27:05,042 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 63 transitions. [2021-12-22 20:27:05,044 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-12-22 20:27:05,044 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 47 states and 55 transitions. [2021-12-22 20:27:05,045 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-12-22 20:27:05,045 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-12-22 20:27:05,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 55 transitions. [2021-12-22 20:27:05,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-22 20:27:05,045 INFO L681 BuchiCegarLoop]: Abstraction has 47 states and 55 transitions. [2021-12-22 20:27:05,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 55 transitions. [2021-12-22 20:27:05,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 41. [2021-12-22 20:27:05,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 33 states have (on average 1.121212121212121) internal successors, (37), 32 states have internal predecessors, (37), 8 states have call successors, (11), 8 states have call predecessors, (11), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:27:05,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2021-12-22 20:27:05,049 INFO L704 BuchiCegarLoop]: Abstraction has 41 states and 48 transitions. [2021-12-22 20:27:05,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 20:27:05,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-22 20:27:05,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-22 20:27:05,051 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-22 20:27:05,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 20:27:05,074 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2021-12-22 20:27:05,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-22 20:27:05,075 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 31 transitions. [2021-12-22 20:27:05,077 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-22 20:27:05,077 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2021-12-22 20:27:05,077 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-22 20:27:05,077 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-22 20:27:05,077 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-22 20:27:05,077 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 20:27:05,077 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 20:27:05,077 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 20:27:05,077 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-22 20:27:05,078 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-22 20:27:05,078 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-22 20:27:05,078 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-22 20:27:05,078 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-22 20:27:05,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.12 08:27:05 BoogieIcfgContainer [2021-12-22 20:27:05,083 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-22 20:27:05,083 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 20:27:05,084 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 20:27:05,084 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 20:27:05,084 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:26:55" (3/4) ... [2021-12-22 20:27:05,086 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-22 20:27:05,086 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 20:27:05,086 INFO L158 Benchmark]: Toolchain (without parser) took 9915.74ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 66.9MB in the beginning and 51.6MB in the end (delta: 15.3MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-12-22 20:27:05,087 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 81.8MB. Free memory was 63.3MB in the beginning and 63.3MB in the end (delta: 18.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:27:05,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.22ms. Allocated memory is still 98.6MB. Free memory was 66.5MB in the beginning and 76.2MB in the end (delta: -9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-22 20:27:05,087 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.37ms. Allocated memory is still 98.6MB. Free memory was 76.2MB in the beginning and 74.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 20:27:05,088 INFO L158 Benchmark]: Boogie Preprocessor took 19.28ms. Allocated memory is still 98.6MB. Free memory was 74.9MB in the beginning and 73.9MB in the end (delta: 966.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:27:05,088 INFO L158 Benchmark]: RCFGBuilder took 197.05ms. Allocated memory is still 98.6MB. Free memory was 73.9MB in the beginning and 64.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-22 20:27:05,088 INFO L158 Benchmark]: BuchiAutomizer took 9406.27ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 64.8MB in the beginning and 51.6MB in the end (delta: 13.2MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. [2021-12-22 20:27:05,088 INFO L158 Benchmark]: Witness Printer took 2.43ms. Allocated memory is still 119.5MB. Free memory is still 51.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:27:05,089 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 81.8MB. Free memory was 63.3MB in the beginning and 63.3MB in the end (delta: 18.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.22ms. Allocated memory is still 98.6MB. Free memory was 66.5MB in the beginning and 76.2MB in the end (delta: -9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.37ms. Allocated memory is still 98.6MB. Free memory was 76.2MB in the beginning and 74.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.28ms. Allocated memory is still 98.6MB. Free memory was 74.9MB in the beginning and 73.9MB in the end (delta: 966.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 197.05ms. Allocated memory is still 98.6MB. Free memory was 73.9MB in the beginning and 64.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 9406.27ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 64.8MB in the beginning and 51.6MB in the end (delta: 13.2MB). Peak memory consumption was 36.2MB. Max. memory is 16.1GB. * Witness Printer took 2.43ms. Allocated memory is still 119.5MB. Free memory is still 51.6MB. 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 4 terminating modules (1 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 4 locations. One deterministic module has affine ranking function -1 * n and consists of 5 locations. One deterministic module has affine ranking function n and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.3s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 8.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 17 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 23 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 48 mSDsluCounter, 54 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 89 IncrementalHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 37 mSDtfsCounter, 89 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp65 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq171 hnf92 smp91 dnf100 smp100 tf110 neg98 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 43ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 9 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 6.8s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-22 20:27:05,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-12-22 20:27:05,327 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