./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/recursive/Addition03_true-unreach-call_true-no-overflow_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive/Addition03_true-unreach-call_true-no-overflow_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer --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 dc212c6f03bbd9a964d699fa8baa949beea27f48 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:19:50,879 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:19:50,880 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:19:50,894 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:19:50,895 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:19:50,895 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:19:50,896 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:19:50,897 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:19:50,899 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:19:50,900 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:19:50,901 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:19:50,901 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:19:50,903 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:19:50,903 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:19:50,904 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:19:50,905 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:19:50,906 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:19:50,907 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:19:50,908 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:19:50,910 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:19:50,911 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:19:50,912 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:19:50,914 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:19:50,914 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:19:50,914 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:19:50,915 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:19:50,916 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:19:50,917 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:19:50,917 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:19:50,919 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:19:50,919 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:19:50,920 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:19:50,920 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:19:50,920 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:19:50,921 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:19:50,922 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:19:50,923 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 17:19:50,933 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:19:50,934 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:19:50,935 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 17:19:50,935 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 17:19:50,935 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 17:19:50,935 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 17:19:50,935 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 17:19:50,935 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 17:19:50,935 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 17:19:50,936 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 17:19:50,936 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 17:19:50,936 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:19:50,936 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:19:50,936 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 17:19:50,936 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:19:50,936 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:19:50,937 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:19:50,937 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 17:19:50,937 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 17:19:50,937 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 17:19:50,937 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:19:50,937 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:19:50,937 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 17:19:50,938 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:19:50,938 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 17:19:50,940 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:19:50,940 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:19:50,940 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 17:19:50,940 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:19:50,941 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 17:19:50,941 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 17:19:50,943 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 17:19:50,943 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer 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 -> dc212c6f03bbd9a964d699fa8baa949beea27f48 [2018-11-18 17:19:50,969 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:19:50,983 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:19:50,986 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:19:50,987 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:19:50,992 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:19:50,992 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/../../sv-benchmarks/c/recursive/Addition03_true-unreach-call_true-no-overflow_true-termination.c [2018-11-18 17:19:51,043 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/data/56e449f5b/e4a87c8ab5634cfda9892a9eae0cf91b/FLAGd99c0b8e9 [2018-11-18 17:19:51,392 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:19:51,392 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/sv-benchmarks/c/recursive/Addition03_true-unreach-call_true-no-overflow_true-termination.c [2018-11-18 17:19:51,397 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/data/56e449f5b/e4a87c8ab5634cfda9892a9eae0cf91b/FLAGd99c0b8e9 [2018-11-18 17:19:51,803 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/data/56e449f5b/e4a87c8ab5634cfda9892a9eae0cf91b [2018-11-18 17:19:51,806 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:19:51,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:19:51,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:19:51,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:19:51,811 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:19:51,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:19:51" (1/1) ... [2018-11-18 17:19:51,814 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@269ec442 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:19:51, skipping insertion in model container [2018-11-18 17:19:51,814 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:19:51" (1/1) ... [2018-11-18 17:19:51,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:19:51,832 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:19:51,949 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:19:51,951 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:19:51,964 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:19:51,974 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:19:51,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:19:51 WrapperNode [2018-11-18 17:19:51,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:19:51,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:19:51,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:19:51,976 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:19:51,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:19:51" (1/1) ... [2018-11-18 17:19:51,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:19:51" (1/1) ... [2018-11-18 17:19:52,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:19:52,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:19:52,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:19:52,008 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:19:52,015 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:19:51" (1/1) ... [2018-11-18 17:19:52,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:19:51" (1/1) ... [2018-11-18 17:19:52,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:19:51" (1/1) ... [2018-11-18 17:19:52,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:19:51" (1/1) ... [2018-11-18 17:19:52,018 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:19:51" (1/1) ... [2018-11-18 17:19:52,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:19:51" (1/1) ... [2018-11-18 17:19:52,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:19:51" (1/1) ... [2018-11-18 17:19:52,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:19:52,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:19:52,023 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:19:52,023 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:19:52,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:19:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:19:52,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:19:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:19:52,156 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2018-11-18 17:19:52,156 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2018-11-18 17:19:52,404 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:19:52,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:19:52 BoogieIcfgContainer [2018-11-18 17:19:52,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:19:52,405 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 17:19:52,405 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 17:19:52,407 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 17:19:52,408 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 17:19:52,408 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 05:19:51" (1/3) ... [2018-11-18 17:19:52,409 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f0a289f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 05:19:52, skipping insertion in model container [2018-11-18 17:19:52,409 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 17:19:52,410 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:19:51" (2/3) ... [2018-11-18 17:19:52,411 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f0a289f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 05:19:52, skipping insertion in model container [2018-11-18 17:19:52,411 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 17:19:52,411 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:19:52" (3/3) ... [2018-11-18 17:19:52,412 INFO L375 chiAutomizerObserver]: Analyzing ICFG Addition03_true-unreach-call_true-no-overflow_true-termination.c [2018-11-18 17:19:52,457 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 17:19:52,458 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 17:19:52,458 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 17:19:52,458 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 17:19:52,458 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:19:52,458 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:19:52,459 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 17:19:52,459 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:19:52,459 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 17:19:52,471 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2018-11-18 17:19:52,489 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-18 17:19:52,489 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 17:19:52,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 17:19:52,496 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-18 17:19:52,497 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-18 17:19:52,497 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 17:19:52,497 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2018-11-18 17:19:52,498 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-18 17:19:52,499 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 17:19:52,499 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 17:19:52,499 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-18 17:19:52,499 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-18 17:19:52,506 INFO L794 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 13#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 8#L29true call main_#t~ret4 := addition(main_~m~0, main_~n~0);< 14#additionENTRYtrue [2018-11-18 17:19:52,507 INFO L796 eck$LassoCheckResult]: Loop: 14#additionENTRYtrue ~m := #in~m;~n := #in~n; 17#L14true assume !(0 == ~n); 11#L17true assume ~n > 0; 9#L18true call #t~ret0 := addition(1 + ~m, ~n - 1);< 14#additionENTRYtrue [2018-11-18 17:19:52,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:19:52,512 INFO L82 PathProgramCache]: Analyzing trace with hash 29886, now seen corresponding path program 1 times [2018-11-18 17:19:52,514 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:19:52,514 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:19:52,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:19:52,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:19:52,545 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:19:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:19:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:19:52,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:19:52,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1389362, now seen corresponding path program 1 times [2018-11-18 17:19:52,573 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:19:52,573 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:19:52,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:19:52,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:19:52,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:19:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:19:52,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:19:52,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:19:52,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1831010671, now seen corresponding path program 1 times [2018-11-18 17:19:52,589 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:19:52,589 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:19:52,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:19:52,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:19:52,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:19:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:19:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:19:52,730 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 17:19:52,731 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 17:19:52,731 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 17:19:52,731 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 17:19:52,732 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 17:19:52,732 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:19:52,732 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 17:19:52,732 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 17:19:52,732 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition03_true-unreach-call_true-no-overflow_true-termination.c_Iteration1_Loop [2018-11-18 17:19:52,732 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 17:19:52,732 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 17:19:52,754 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:19:52,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:19:52,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:19:52,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:19:52,809 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:19:52,815 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:19:52,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:19:52,950 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 17:19:52,951 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:19:52,963 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 17:19:52,963 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 17:19:52,972 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 17:19:52,972 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_~m=0} Honda state: {addition_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:19:52,995 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 17:19:52,995 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 17:19:53,002 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 17:19:53,003 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret1=0} Honda state: {addition_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:19:53,022 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 17:19:53,022 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 17:19:53,026 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 17:19:53,026 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret0=0} Honda state: {addition_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:19:53,042 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 17:19:53,042 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:19:53,061 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 17:19:53,061 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 17:19:53,071 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 17:19:53,071 INFO L448 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=4}, {addition_#in~m=-8}] Lambdas: [1, 3, 1] Nus: [0, 1] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:19:53,088 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 17:19:53,088 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 17:19:53,091 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 17:19:53,091 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:19:53,107 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 17:19:53,107 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:19:53,125 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 17:19:53,125 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 17:19:53,148 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-18 17:19:53,149 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 17:19:53,150 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 17:19:53,150 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 17:19:53,150 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 17:19:53,150 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 17:19:53,150 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:19:53,151 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 17:19:53,151 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 17:19:53,151 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition03_true-unreach-call_true-no-overflow_true-termination.c_Iteration1_Loop [2018-11-18 17:19:53,151 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 17:19:53,151 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 17:19:53,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:19:53,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:19:53,167 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:19:53,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:19:53,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:19:53,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:19:53,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:19:53,287 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 17:19:53,292 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 17:19:53,293 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 17:19:53,295 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 17:19:53,295 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 17:19:53,296 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 17:19:53,296 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 17:19:53,296 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 17:19:53,298 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 17:19:53,298 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 17:19:53,302 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 17:19:53,302 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 17:19:53,303 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 17:19:53,303 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 17:19:53,303 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 17:19:53,303 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 17:19:53,303 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 17:19:53,304 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 17:19:53,304 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 17:19:53,306 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 17:19:53,306 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 17:19:53,307 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 17:19:53,307 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 17:19:53,307 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 17:19:53,307 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 17:19:53,308 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 17:19:53,308 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 17:19:53,308 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 17:19:53,309 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 17:19:53,310 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 17:19:53,310 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 17:19:53,311 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 17:19:53,312 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 17:19:53,312 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 17:19:53,312 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 17:19:53,312 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 17:19:53,313 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 17:19:53,317 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 17:19:53,317 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 17:19:53,317 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 17:19:53,318 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 17:19:53,318 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 17:19:53,318 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 17:19:53,318 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 17:19:53,318 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 17:19:53,319 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 17:19:53,320 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 17:19:53,320 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 17:19:53,321 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 17:19:53,321 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 17:19:53,321 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 17:19:53,321 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 17:19:53,321 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 17:19:53,322 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 17:19:53,322 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 17:19:53,323 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 17:19:53,323 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 17:19:53,324 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 17:19:53,324 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 17:19:53,324 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 17:19:53,324 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 17:19:53,324 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 17:19:53,325 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 17:19:53,325 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 17:19:53,329 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-18 17:19:53,332 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-18 17:19:53,332 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-18 17:19:53,333 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-18 17:19:53,333 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-18 17:19:53,333 INFO L518 LassoAnalysis]: Proved termination. [2018-11-18 17:19:53,334 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_#in~n) = 1*addition_#in~n Supporting invariants [] [2018-11-18 17:19:53,334 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-18 17:19:53,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:19:53,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:19:53,469 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:19:53,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:19:53,484 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:19:53,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:19:53,592 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 [2018-11-18 17:19:53,593 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states. Second operand 4 states. [2018-11-18 17:19:53,803 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states.. Second operand 4 states. Result 49 states and 67 transitions. Complement of second has 12 states. [2018-11-18 17:19:53,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-18 17:19:53,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-18 17:19:53,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2018-11-18 17:19:53,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 3 letters. Loop has 4 letters. [2018-11-18 17:19:53,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 17:19:53,809 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 4 letters. [2018-11-18 17:19:53,810 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 17:19:53,810 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 3 letters. Loop has 8 letters. [2018-11-18 17:19:53,810 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 17:19:53,811 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 67 transitions. [2018-11-18 17:19:53,815 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-18 17:19:53,819 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 25 states and 28 transitions. [2018-11-18 17:19:53,820 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2018-11-18 17:19:53,820 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2018-11-18 17:19:53,821 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 28 transitions. [2018-11-18 17:19:53,821 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-18 17:19:53,821 INFO L705 BuchiCegarLoop]: Abstraction has 25 states and 28 transitions. [2018-11-18 17:19:53,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 28 transitions. [2018-11-18 17:19:53,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 16. [2018-11-18 17:19:53,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-18 17:19:53,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2018-11-18 17:19:53,846 INFO L728 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2018-11-18 17:19:53,846 INFO L608 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2018-11-18 17:19:53,846 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 17:19:53,846 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2018-11-18 17:19:53,847 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-18 17:19:53,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 17:19:53,847 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 17:19:53,847 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-18 17:19:53,847 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-11-18 17:19:53,847 INFO L794 eck$LassoCheckResult]: Stem: 135#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 124#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 125#L29 call main_#t~ret4 := addition(main_~m~0, main_~n~0);< 126#additionENTRY ~m := #in~m;~n := #in~n; 128#L14 assume !(0 == ~n); 136#L17 assume !(~n > 0); 131#L20 [2018-11-18 17:19:53,847 INFO L796 eck$LassoCheckResult]: Loop: 131#L20 assume ~n < 0; 132#L21 call #t~ret1 := addition(~m - 1, 1 + ~n);< 134#additionENTRY ~m := #in~m;~n := #in~n; 139#L14 assume !(0 == ~n); 138#L17 assume !(~n > 0); 131#L20 [2018-11-18 17:19:53,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:19:53,848 INFO L82 PathProgramCache]: Analyzing trace with hash 890348855, now seen corresponding path program 1 times [2018-11-18 17:19:53,848 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:19:53,848 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:19:53,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:19:53,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:19:53,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:19:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:19:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:19:53,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:19:53,855 INFO L82 PathProgramCache]: Analyzing trace with hash 55605035, now seen corresponding path program 1 times [2018-11-18 17:19:53,855 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:19:53,856 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:19:53,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:19:53,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:19:53,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:19:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:19:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:19:53,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:19:53,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1017357237, now seen corresponding path program 1 times [2018-11-18 17:19:53,864 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:19:53,864 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:19:53,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:19:53,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:19:53,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:19:53,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:19:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:19:54,127 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 17:19:54,127 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 17:19:54,127 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 17:19:54,127 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 17:19:54,127 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 17:19:54,127 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:19:54,127 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 17:19:54,127 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 17:19:54,128 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition03_true-unreach-call_true-no-overflow_true-termination.c_Iteration2_Loop [2018-11-18 17:19:54,128 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 17:19:54,128 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 17:19:54,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:19:54,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:19:54,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:19:54,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:19:54,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:19:54,195 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 17:19:54,196 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:19:54,198 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 17:19:54,198 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 17:19:54,200 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 17:19:54,200 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret1=0} Honda state: {addition_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:19:54,217 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 17:19:54,217 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:19:54,239 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 17:19:54,239 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 17:19:54,335 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 17:19:54,336 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=-8, addition_~m=-8} Honda state: {addition_#in~m=-8, addition_~m=-8} Generalized eigenvectors: [{addition_#in~m=7, addition_~m=-1}, {addition_#in~m=-8, addition_~m=0}, {addition_#in~m=0, addition_~m=0}] Lambdas: [1, 0, 15] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:19:54,353 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 17:19:54,353 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 17:19:54,355 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 17:19:54,355 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:19:54,372 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 17:19:54,372 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 17:19:54,374 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 17:19:54,374 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret0=0} Honda state: {addition_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:19:54,390 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 17:19:54,391 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:19:54,413 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 17:19:54,413 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 17:20:02,351 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-18 17:20:02,353 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 17:20:02,353 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 17:20:02,353 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 17:20:02,353 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 17:20:02,354 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 17:20:02,354 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:20:02,354 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 17:20:02,354 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 17:20:02,354 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition03_true-unreach-call_true-no-overflow_true-termination.c_Iteration2_Loop [2018-11-18 17:20:02,354 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 17:20:02,354 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 17:20:02,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:20:02,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:20:02,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:20:02,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:20:02,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:20:02,404 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 17:20:02,405 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 17:20:02,405 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 17:20:02,406 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 17:20:02,406 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 17:20:02,406 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 17:20:02,406 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 17:20:02,406 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 17:20:02,407 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 17:20:02,407 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 17:20:02,408 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 17:20:02,408 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 17:20:02,409 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 17:20:02,409 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 17:20:02,409 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 17:20:02,409 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 17:20:02,409 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 17:20:02,410 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 17:20:02,410 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 17:20:02,411 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 17:20:02,411 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 17:20:02,411 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 17:20:02,411 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 17:20:02,412 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 17:20:02,412 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 17:20:02,412 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 17:20:02,412 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 17:20:02,413 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 17:20:02,417 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 17:20:02,417 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 17:20:02,417 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 17:20:02,418 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 17:20:02,418 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 17:20:02,418 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 17:20:02,418 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 17:20:02,418 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 17:20:02,419 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 17:20:02,419 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 17:20:02,420 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 17:20:02,420 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 17:20:02,420 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 17:20:02,420 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 17:20:02,420 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 17:20:02,421 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 17:20:02,421 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 17:20:02,421 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 17:20:02,425 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-18 17:20:02,429 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-18 17:20:02,429 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-18 17:20:02,429 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-18 17:20:02,429 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-18 17:20:02,430 INFO L518 LassoAnalysis]: Proved termination. [2018-11-18 17:20:02,430 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = -1*addition_~n Supporting invariants [] [2018-11-18 17:20:02,430 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-18 17:20:02,443 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:20:02,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:20:02,449 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:20:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:20:02,459 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:20:02,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:20:02,474 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 [2018-11-18 17:20:02,474 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand 5 states. [2018-11-18 17:20:02,513 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5. Second operand 5 states. Result 30 states and 35 transitions. Complement of second has 13 states. [2018-11-18 17:20:02,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2018-11-18 17:20:02,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-18 17:20:02,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2018-11-18 17:20:02,515 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 6 letters. Loop has 5 letters. [2018-11-18 17:20:02,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 17:20:02,515 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 11 letters. Loop has 5 letters. [2018-11-18 17:20:02,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 17:20:02,516 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 6 letters. Loop has 10 letters. [2018-11-18 17:20:02,516 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 17:20:02,516 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2018-11-18 17:20:02,517 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-18 17:20:02,518 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 29 states and 34 transitions. [2018-11-18 17:20:02,518 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2018-11-18 17:20:02,518 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2018-11-18 17:20:02,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 34 transitions. [2018-11-18 17:20:02,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-18 17:20:02,519 INFO L705 BuchiCegarLoop]: Abstraction has 29 states and 34 transitions. [2018-11-18 17:20:02,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 34 transitions. [2018-11-18 17:20:02,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2018-11-18 17:20:02,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-11-18 17:20:02,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2018-11-18 17:20:02,521 INFO L728 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2018-11-18 17:20:02,522 INFO L608 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2018-11-18 17:20:02,522 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 17:20:02,522 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 31 transitions. [2018-11-18 17:20:02,522 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-18 17:20:02,523 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 17:20:02,523 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 17:20:02,523 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:20:02,523 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-18 17:20:02,523 INFO L794 eck$LassoCheckResult]: Stem: 252#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 236#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 237#L29 call main_#t~ret4 := addition(main_~m~0, main_~n~0);< 255#additionENTRY ~m := #in~m;~n := #in~n; 248#L14 assume !(0 == ~n); 258#L17 assume !(~n > 0); 259#L20 assume ~n < 0; 243#L21 call #t~ret1 := addition(~m - 1, 1 + ~n);< 244#additionENTRY ~m := #in~m;~n := #in~n; 245#L14 assume !(0 == ~n); 253#L17 assume ~n > 0; 239#L18 [2018-11-18 17:20:02,524 INFO L796 eck$LassoCheckResult]: Loop: 239#L18 call #t~ret0 := addition(1 + ~m, ~n - 1);< 250#additionENTRY ~m := #in~m;~n := #in~n; 261#L14 assume !(0 == ~n); 260#L17 assume ~n > 0; 239#L18 [2018-11-18 17:20:02,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:20:02,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1017357234, now seen corresponding path program 1 times [2018-11-18 17:20:02,524 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:20:02,524 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:20:02,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:20:02,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:20:02,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:20:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:20:02,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:20:02,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:20:02,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 17:20:02,561 INFO L799 eck$LassoCheckResult]: stem already infeasible [2018-11-18 17:20:02,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:20:02,561 INFO L82 PathProgramCache]: Analyzing trace with hash 1981232, now seen corresponding path program 2 times [2018-11-18 17:20:02,561 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 17:20:02,561 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 17:20:02,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:20:02,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:20:02,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:20:02,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:20:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 17:20:02,600 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 17:20:02,600 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 17:20:02,600 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 17:20:02,600 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 17:20:02,601 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 17:20:02,601 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:20:02,601 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 17:20:02,601 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 17:20:02,601 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition03_true-unreach-call_true-no-overflow_true-termination.c_Iteration3_Loop [2018-11-18 17:20:02,601 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 17:20:02,601 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 17:20:02,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:20:02,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:20:02,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:20:02,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:20:02,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:20:02,648 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 17:20:02,648 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:20:02,650 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 17:20:02,651 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:20:02,669 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 17:20:02,670 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 17:20:02,789 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 17:20:02,789 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=-6, addition_~m=-6} Honda state: {addition_#in~m=-6, addition_~m=-6} Generalized eigenvectors: [{addition_#in~m=7, addition_~m=2}, {addition_#in~m=-5, addition_~m=0}, {addition_#in~m=-1, addition_~m=-1}] Lambdas: [1, 0, 1] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:20:02,805 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 17:20:02,805 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 17:20:02,810 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 17:20:02,810 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret1=0} Honda state: {addition_#t~ret1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:20:02,825 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 17:20:02,826 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 17:20:02,827 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 17:20:02,828 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:20:02,843 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 17:20:02,843 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 17:20:02,845 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 17:20:02,845 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret0=0} Honda state: {addition_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:20:02,860 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 17:20:02,861 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ab1d5c1e-2b1e-45b2-9ffc-6f6c3cf96b77_391478229774573/bin-2019/uautomizer/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:20:02,879 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 17:20:02,879 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 17:20:03,575 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-18 17:20:03,576 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 17:20:03,577 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 17:20:03,577 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 17:20:03,577 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 17:20:03,577 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 17:20:03,577 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 17:20:03,577 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 17:20:03,577 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 17:20:03,577 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition03_true-unreach-call_true-no-overflow_true-termination.c_Iteration3_Loop [2018-11-18 17:20:03,577 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 17:20:03,577 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 17:20:03,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:20:03,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:20:03,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:20:03,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:20:03,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 17:20:03,611 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 17:20:03,611 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 17:20:03,611 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 17:20:03,612 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 17:20:03,612 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 17:20:03,612 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 17:20:03,612 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 17:20:03,612 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 17:20:03,613 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 17:20:03,613 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 17:20:03,616 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 17:20:03,616 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 17:20:03,617 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 17:20:03,617 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 17:20:03,617 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 17:20:03,617 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 17:20:03,618 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 17:20:03,618 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 17:20:03,618 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 17:20:03,619 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 17:20:03,619 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 17:20:03,620 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 17:20:03,620 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 17:20:03,620 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 17:20:03,620 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 17:20:03,620 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 17:20:03,620 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 17:20:03,620 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 17:20:03,621 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 17:20:03,621 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 17:20:03,622 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 17:20:03,622 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 17:20:03,622 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 17:20:03,622 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 17:20:03,622 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 17:20:03,622 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 17:20:03,622 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 17:20:03,625 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-18 17:20:03,627 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-18 17:20:03,627 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-18 17:20:03,628 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-18 17:20:03,628 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-18 17:20:03,628 INFO L518 LassoAnalysis]: Proved termination. [2018-11-18 17:20:03,628 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = 1*addition_~n Supporting invariants [] [2018-11-18 17:20:03,629 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-18 17:20:03,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:20:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:20:03,653 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:20:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:20:03,660 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:20:03,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:20:03,679 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 [2018-11-18 17:20:03,680 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 8 Second operand 4 states. [2018-11-18 17:20:03,707 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 8. Second operand 4 states. Result 63 states and 73 transitions. Complement of second has 9 states. [2018-11-18 17:20:03,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-18 17:20:03,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-18 17:20:03,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2018-11-18 17:20:03,708 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 4 letters. [2018-11-18 17:20:03,708 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 17:20:03,708 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 15 letters. Loop has 4 letters. [2018-11-18 17:20:03,708 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 17:20:03,708 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 8 letters. [2018-11-18 17:20:03,709 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-18 17:20:03,709 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 73 transitions. [2018-11-18 17:20:03,710 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-18 17:20:03,711 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 54 states and 64 transitions. [2018-11-18 17:20:03,711 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2018-11-18 17:20:03,712 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2018-11-18 17:20:03,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 64 transitions. [2018-11-18 17:20:03,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-18 17:20:03,712 INFO L705 BuchiCegarLoop]: Abstraction has 54 states and 64 transitions. [2018-11-18 17:20:03,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 64 transitions. [2018-11-18 17:20:03,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 47. [2018-11-18 17:20:03,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-11-18 17:20:03,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 56 transitions. [2018-11-18 17:20:03,715 INFO L728 BuchiCegarLoop]: Abstraction has 47 states and 56 transitions. [2018-11-18 17:20:03,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 17:20:03,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:20:03,718 INFO L87 Difference]: Start difference. First operand 47 states and 56 transitions. Second operand 5 states. [2018-11-18 17:20:03,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:20:03,755 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2018-11-18 17:20:03,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:20:03,756 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 41 transitions. [2018-11-18 17:20:03,757 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 17:20:03,757 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2018-11-18 17:20:03,757 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-18 17:20:03,757 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-18 17:20:03,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-18 17:20:03,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 17:20:03,757 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:20:03,757 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:20:03,758 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:20:03,758 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-18 17:20:03,758 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:20:03,758 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-18 17:20:03,758 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-18 17:20:03,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 05:20:03 BoogieIcfgContainer [2018-11-18 17:20:03,762 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 17:20:03,763 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:20:03,763 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:20:03,763 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:20:03,763 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:19:52" (3/4) ... [2018-11-18 17:20:03,766 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 17:20:03,766 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:20:03,766 INFO L168 Benchmark]: Toolchain (without parser) took 11959.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.4 MB). Free memory was 955.7 MB in the beginning and 860.5 MB in the end (delta: 95.2 MB). Peak memory consumption was 276.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:20:03,767 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 977.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:20:03,768 INFO L168 Benchmark]: CACSL2BoogieTranslator took 166.92 ms. Allocated memory is still 1.0 GB. Free memory was 955.7 MB in the beginning and 945.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:20:03,768 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.43 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 939.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:20:03,768 INFO L168 Benchmark]: Boogie Preprocessor took 14.90 ms. Allocated memory is still 1.0 GB. Free memory is still 939.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:20:03,769 INFO L168 Benchmark]: RCFGBuilder took 381.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.4 MB). Free memory was 939.6 MB in the beginning and 1.2 GB in the end (delta: -224.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:20:03,769 INFO L168 Benchmark]: BuchiAutomizer took 11357.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 860.5 MB in the end (delta: 303.5 MB). Peak memory consumption was 303.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:20:03,770 INFO L168 Benchmark]: Witness Printer took 3.12 ms. Allocated memory is still 1.2 GB. Free memory is still 860.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:20:03,772 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 977.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 166.92 ms. Allocated memory is still 1.0 GB. Free memory was 955.7 MB in the beginning and 945.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.43 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 939.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.90 ms. Allocated memory is still 1.0 GB. Free memory is still 939.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 381.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.4 MB). Free memory was 939.6 MB in the beginning and 1.2 GB in the end (delta: -224.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 11357.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 860.5 MB in the end (delta: 303.5 MB). Peak memory consumption was 303.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.12 ms. Allocated memory is still 1.2 GB. Free memory is still 860.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * 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 11.3s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 10.5s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 19 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 26 states and ocurred in iteration 2. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 37 SDtfs, 53 SDslu, 17 SDs, 0 SdLazy, 85 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time 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 eq173 hnf92 smp91 dnf100 smp100 tf110 neg98 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 9ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 9.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...