./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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d66dd5a4-2105-455c-885d-7c69dafa3a9c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d66dd5a4-2105-455c-885d-7c69dafa3a9c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d66dd5a4-2105-455c-885d-7c69dafa3a9c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d66dd5a4-2105-455c-885d-7c69dafa3a9c/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_d66dd5a4-2105-455c-885d-7c69dafa3a9c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d66dd5a4-2105-455c-885d-7c69dafa3a9c/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 0.1.23-1dbac8b [2018-11-10 11:51:11,054 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:51:11,055 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:51:11,065 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:51:11,065 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:51:11,066 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:51:11,067 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:51:11,068 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:51:11,070 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:51:11,070 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:51:11,071 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:51:11,071 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:51:11,072 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:51:11,073 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:51:11,074 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:51:11,074 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:51:11,075 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:51:11,076 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:51:11,078 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:51:11,079 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:51:11,080 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:51:11,080 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:51:11,082 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:51:11,082 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:51:11,083 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:51:11,083 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:51:11,084 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:51:11,085 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:51:11,085 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:51:11,086 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:51:11,086 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:51:11,087 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:51:11,087 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:51:11,087 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:51:11,088 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:51:11,088 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:51:11,089 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d66dd5a4-2105-455c-885d-7c69dafa3a9c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 11:51:11,101 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:51:11,101 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:51:11,102 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:51:11,102 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:51:11,103 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 11:51:11,103 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 11:51:11,103 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 11:51:11,103 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 11:51:11,103 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 11:51:11,104 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 11:51:11,104 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 11:51:11,104 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:51:11,104 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:51:11,104 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 11:51:11,104 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:51:11,104 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:51:11,105 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:51:11,105 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 11:51:11,105 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 11:51:11,105 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 11:51:11,105 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:51:11,106 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:51:11,106 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 11:51:11,106 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 11:51:11,106 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:51:11,106 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 11:51:11,106 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 11:51:11,107 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:51:11,107 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 11:51:11,107 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 11:51:11,108 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 11:51:11,108 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_d66dd5a4-2105-455c-885d-7c69dafa3a9c/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 [2018-11-10 11:51:11,134 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:51:11,144 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:51:11,147 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:51:11,149 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:51:11,149 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:51:11,150 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d66dd5a4-2105-455c-885d-7c69dafa3a9c/bin-2019/uautomizer/../../sv-benchmarks/c/recursive/Addition03_true-unreach-call_true-no-overflow_true-termination.c [2018-11-10 11:51:11,202 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d66dd5a4-2105-455c-885d-7c69dafa3a9c/bin-2019/uautomizer/data/e63484f5e/4592bc219bf24ba0a5ab13628a5fa267/FLAGdb05bc573 [2018-11-10 11:51:11,542 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:51:11,542 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d66dd5a4-2105-455c-885d-7c69dafa3a9c/sv-benchmarks/c/recursive/Addition03_true-unreach-call_true-no-overflow_true-termination.c [2018-11-10 11:51:11,548 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d66dd5a4-2105-455c-885d-7c69dafa3a9c/bin-2019/uautomizer/data/e63484f5e/4592bc219bf24ba0a5ab13628a5fa267/FLAGdb05bc573 [2018-11-10 11:51:11,562 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d66dd5a4-2105-455c-885d-7c69dafa3a9c/bin-2019/uautomizer/data/e63484f5e/4592bc219bf24ba0a5ab13628a5fa267 [2018-11-10 11:51:11,565 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:51:11,566 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:51:11,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:51:11,567 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:51:11,571 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:51:11,571 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:51:11" (1/1) ... [2018-11-10 11:51:11,574 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eeb45d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:11, skipping insertion in model container [2018-11-10 11:51:11,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:51:11" (1/1) ... [2018-11-10 11:51:11,583 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:51:11,598 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:51:11,726 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:51:11,730 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:51:11,744 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:51:11,753 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:51:11,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:11 WrapperNode [2018-11-10 11:51:11,753 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:51:11,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:51:11,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:51:11,754 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:51:11,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:11" (1/1) ... [2018-11-10 11:51:11,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:11" (1/1) ... [2018-11-10 11:51:11,778 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:51:11,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:51:11,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:51:11,778 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:51:11,784 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:11" (1/1) ... [2018-11-10 11:51:11,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:11" (1/1) ... [2018-11-10 11:51:11,785 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:11" (1/1) ... [2018-11-10 11:51:11,785 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:11" (1/1) ... [2018-11-10 11:51:11,786 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:11" (1/1) ... [2018-11-10 11:51:11,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:11" (1/1) ... [2018-11-10 11:51:11,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:11" (1/1) ... [2018-11-10 11:51:11,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:51:11,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:51:11,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:51:11,789 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:51:11,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d66dd5a4-2105-455c-885d-7c69dafa3a9c/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 [2018-11-10 11:51:11,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:51:11,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:51:11,867 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2018-11-10 11:51:11,867 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2018-11-10 11:51:11,967 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:51:11,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:51:11 BoogieIcfgContainer [2018-11-10 11:51:11,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:51:11,968 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 11:51:11,968 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 11:51:11,970 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 11:51:11,971 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 11:51:11,971 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 11:51:11" (1/3) ... [2018-11-10 11:51:11,972 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5aae4a07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:51:11, skipping insertion in model container [2018-11-10 11:51:11,972 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 11:51:11,972 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:51:11" (2/3) ... [2018-11-10 11:51:11,972 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5aae4a07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 11:51:11, skipping insertion in model container [2018-11-10 11:51:11,972 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 11:51:11,972 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:51:11" (3/3) ... [2018-11-10 11:51:11,973 INFO L375 chiAutomizerObserver]: Analyzing ICFG Addition03_true-unreach-call_true-no-overflow_true-termination.c [2018-11-10 11:51:12,007 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 11:51:12,007 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 11:51:12,007 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 11:51:12,007 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 11:51:12,007 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 11:51:12,008 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 11:51:12,008 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 11:51:12,008 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 11:51:12,008 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 11:51:12,017 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2018-11-10 11:51:12,035 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-10 11:51:12,035 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 11:51:12,035 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 11:51:12,040 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-10 11:51:12,040 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-10 11:51:12,040 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 11:51:12,041 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2018-11-10 11:51:12,042 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-10 11:51:12,043 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 11:51:12,043 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 11:51:12,043 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-10 11:51:12,043 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-10 11:51:12,052 INFO L793 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 13#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 8#L29true call main_#t~ret4 := addition(main_~m~0, main_~n~0);< 14#additionENTRYtrue [2018-11-10 11:51:12,053 INFO L795 eck$LassoCheckResult]: Loop: 14#additionENTRYtrue ~m := #in~m;~n := #in~n; 17#L14true assume !(~n == 0); 11#L17true assume ~n > 0; 9#L18true call #t~ret0 := addition(~m + 1, ~n - 1);< 14#additionENTRYtrue [2018-11-10 11:51:12,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:51:12,058 INFO L82 PathProgramCache]: Analyzing trace with hash 29886, now seen corresponding path program 1 times [2018-11-10 11:51:12,059 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:51:12,060 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:51:12,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:12,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:51:12,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:51:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:51:12,115 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:51:12,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1389362, now seen corresponding path program 1 times [2018-11-10 11:51:12,115 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:51:12,115 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:51:12,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:12,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:51:12,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:51:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:51:12,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:51:12,130 INFO L82 PathProgramCache]: Analyzing trace with hash 1831010671, now seen corresponding path program 1 times [2018-11-10 11:51:12,130 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:51:12,131 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:51:12,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:12,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:51:12,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:51:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:51:12,222 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 11:51:12,223 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 11:51:12,223 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 11:51:12,223 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 11:51:12,223 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 11:51:12,223 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 11:51:12,223 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 11:51:12,223 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 11:51:12,223 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition03_true-unreach-call_true-no-overflow_true-termination.c_Iteration1_Loop [2018-11-10 11:51:12,223 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 11:51:12,224 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 11:51:12,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:12,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:12,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:12,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:12,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:12,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:12,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:12,321 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 11:51:12,321 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d66dd5a4-2105-455c-885d-7c69dafa3a9c/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 [2018-11-10 11:51:12,324 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 11:51:12,324 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 11:51:12,330 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 11:51:12,330 INFO L446 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_d66dd5a4-2105-455c-885d-7c69dafa3a9c/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 [2018-11-10 11:51:12,347 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 11:51:12,347 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 11:51:12,350 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 11:51:12,350 INFO L446 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_d66dd5a4-2105-455c-885d-7c69dafa3a9c/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 [2018-11-10 11:51:12,366 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 11:51:12,366 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 11:51:12,369 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 11:51:12,369 INFO L446 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_d66dd5a4-2105-455c-885d-7c69dafa3a9c/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 [2018-11-10 11:51:12,386 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 11:51:12,386 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d66dd5a4-2105-455c-885d-7c69dafa3a9c/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 [2018-11-10 11:51:12,407 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 11:51:12,407 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 11:51:12,431 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 11:51:12,431 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=0} Honda state: {addition_#in~m=0} Generalized eigenvectors: [{addition_#in~m=7}, {addition_#in~m=-3}, {addition_#in~m=-3}] Lambdas: [1, 0, 1] Nus: [0, 1] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d66dd5a4-2105-455c-885d-7c69dafa3a9c/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 [2018-11-10 11:51:12,448 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 11:51:12,448 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 11:51:12,451 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 11:51:12,451 INFO L446 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_d66dd5a4-2105-455c-885d-7c69dafa3a9c/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 [2018-11-10 11:51:12,468 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 11:51:12,468 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d66dd5a4-2105-455c-885d-7c69dafa3a9c/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 [2018-11-10 11:51:12,491 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 11:51:12,491 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 11:51:12,512 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-10 11:51:12,513 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 11:51:12,513 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 11:51:12,513 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 11:51:12,513 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 11:51:12,513 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 11:51:12,513 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 11:51:12,514 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 11:51:12,514 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 11:51:12,514 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition03_true-unreach-call_true-no-overflow_true-termination.c_Iteration1_Loop [2018-11-10 11:51:12,514 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 11:51:12,514 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 11:51:12,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:12,523 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:12,525 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:12,531 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:12,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:12,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:12,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:12,639 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 11:51:12,644 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 11:51:12,645 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 [2018-11-10 11:51:12,647 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 11:51:12,647 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 11:51:12,648 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 11:51:12,648 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 11:51:12,648 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 11:51:12,650 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 11:51:12,650 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 11:51:12,653 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 11:51:12,654 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 [2018-11-10 11:51:12,655 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 11:51:12,655 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 11:51:12,655 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 11:51:12,655 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 11:51:12,655 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 11:51:12,656 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 11:51:12,656 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 11:51:12,657 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 11:51:12,657 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 [2018-11-10 11:51:12,658 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 11:51:12,658 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 11:51:12,659 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 11:51:12,659 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 11:51:12,659 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 11:51:12,660 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 11:51:12,660 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 11:51:12,661 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 11:51:12,662 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 [2018-11-10 11:51:12,662 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 11:51:12,662 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 11:51:12,662 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 11:51:12,663 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 11:51:12,663 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 11:51:12,663 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 11:51:12,663 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 11:51:12,669 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 11:51:12,670 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 [2018-11-10 11:51:12,671 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 11:51:12,671 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 11:51:12,672 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 11:51:12,672 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 11:51:12,672 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 11:51:12,672 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 11:51:12,672 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 11:51:12,674 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 11:51:12,674 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 [2018-11-10 11:51:12,674 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 11:51:12,675 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 11:51:12,675 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 11:51:12,675 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 11:51:12,675 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 11:51:12,675 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 11:51:12,675 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 11:51:12,676 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 11:51:12,676 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 [2018-11-10 11:51:12,677 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 11:51:12,677 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 11:51:12,677 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 11:51:12,677 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 11:51:12,677 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 11:51:12,677 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 11:51:12,677 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 11:51:12,683 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 11:51:12,685 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-10 11:51:12,685 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-10 11:51:12,686 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 11:51:12,687 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-10 11:51:12,687 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 11:51:12,687 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_#in~n) = 1*addition_#in~n Supporting invariants [] [2018-11-10 11:51:12,688 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-10 11:51:12,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:51:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:51:12,715 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:51:12,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:51:12,727 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:51:12,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:51:12,752 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 [2018-11-10 11:51:12,754 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states. Second operand 4 states. [2018-11-10 11:51:12,837 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. [2018-11-10 11:51:12,838 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 [2018-11-10 11:51:12,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-10 11:51:12,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2018-11-10 11:51:12,842 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 3 letters. Loop has 4 letters. [2018-11-10 11:51:12,844 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 11:51:12,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 7 letters. Loop has 4 letters. [2018-11-10 11:51:12,844 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 11:51:12,844 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 3 letters. Loop has 8 letters. [2018-11-10 11:51:12,845 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 11:51:12,845 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 67 transitions. [2018-11-10 11:51:12,849 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-10 11:51:12,853 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 25 states and 28 transitions. [2018-11-10 11:51:12,854 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2018-11-10 11:51:12,855 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2018-11-10 11:51:12,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 28 transitions. [2018-11-10 11:51:12,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-10 11:51:12,856 INFO L705 BuchiCegarLoop]: Abstraction has 25 states and 28 transitions. [2018-11-10 11:51:12,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 28 transitions. [2018-11-10 11:51:12,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 16. [2018-11-10 11:51:12,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-11-10 11:51:12,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2018-11-10 11:51:12,877 INFO L728 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2018-11-10 11:51:12,878 INFO L608 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2018-11-10 11:51:12,878 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-10 11:51:12,878 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2018-11-10 11:51:12,878 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-10 11:51:12,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 11:51:12,879 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 11:51:12,879 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-10 11:51:12,879 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2018-11-10 11:51:12,879 INFO L793 eck$LassoCheckResult]: Stem: 135#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 124#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 125#L29 call main_#t~ret4 := addition(main_~m~0, main_~n~0);< 126#additionENTRY ~m := #in~m;~n := #in~n; 128#L14 assume !(~n == 0); 136#L17 assume !(~n > 0); 131#L20 [2018-11-10 11:51:12,880 INFO L795 eck$LassoCheckResult]: Loop: 131#L20 assume ~n < 0; 132#L21 call #t~ret1 := addition(~m - 1, ~n + 1);< 134#additionENTRY ~m := #in~m;~n := #in~n; 139#L14 assume !(~n == 0); 138#L17 assume !(~n > 0); 131#L20 [2018-11-10 11:51:12,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:51:12,880 INFO L82 PathProgramCache]: Analyzing trace with hash 890348855, now seen corresponding path program 1 times [2018-11-10 11:51:12,880 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:51:12,880 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:51:12,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:12,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:51:12,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:51:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:51:12,889 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:51:12,889 INFO L82 PathProgramCache]: Analyzing trace with hash 55605035, now seen corresponding path program 1 times [2018-11-10 11:51:12,889 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:51:12,889 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:51:12,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:12,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:51:12,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:51:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:51:12,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:51:12,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1017357237, now seen corresponding path program 1 times [2018-11-10 11:51:12,897 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:51:12,897 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:51:12,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:12,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:51:12,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:51:12,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:51:12,995 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 11:51:12,996 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 11:51:12,996 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 11:51:12,996 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 11:51:12,996 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 11:51:12,996 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 11:51:12,996 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 11:51:12,996 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 11:51:12,996 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition03_true-unreach-call_true-no-overflow_true-termination.c_Iteration2_Loop [2018-11-10 11:51:12,997 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 11:51:12,997 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 11:51:12,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:13,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:13,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:13,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:13,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:13,064 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 11:51:13,064 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d66dd5a4-2105-455c-885d-7c69dafa3a9c/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 [2018-11-10 11:51:13,066 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 11:51:13,066 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 11:51:13,069 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 11:51:13,069 INFO L446 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_d66dd5a4-2105-455c-885d-7c69dafa3a9c/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 [2018-11-10 11:51:13,085 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 11:51:13,085 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d66dd5a4-2105-455c-885d-7c69dafa3a9c/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 [2018-11-10 11:51:13,106 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 11:51:13,106 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 11:51:13,263 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 11:51:13,263 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=-7, addition_~m=-7} Honda state: {addition_#in~m=-7, addition_~m=-7} Generalized eigenvectors: [{addition_#in~m=-5, addition_~m=-5}, {addition_#in~m=4, addition_~m=4}, {addition_#in~m=0, addition_~m=0}] Lambdas: [1, 1, 14] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d66dd5a4-2105-455c-885d-7c69dafa3a9c/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 [2018-11-10 11:51:13,279 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 11:51:13,280 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 11:51:13,282 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 11:51:13,282 INFO L446 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_d66dd5a4-2105-455c-885d-7c69dafa3a9c/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 [2018-11-10 11:51:13,297 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 11:51:13,298 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 11:51:13,300 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 11:51:13,300 INFO L446 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_d66dd5a4-2105-455c-885d-7c69dafa3a9c/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 [2018-11-10 11:51:13,315 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 11:51:13,316 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d66dd5a4-2105-455c-885d-7c69dafa3a9c/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 [2018-11-10 11:51:13,335 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 11:51:13,335 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 11:51:20,062 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-10 11:51:20,063 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 11:51:20,064 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 11:51:20,064 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 11:51:20,064 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 11:51:20,064 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 11:51:20,064 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 11:51:20,064 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 11:51:20,064 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 11:51:20,064 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition03_true-unreach-call_true-no-overflow_true-termination.c_Iteration2_Loop [2018-11-10 11:51:20,064 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 11:51:20,064 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 11:51:20,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:20,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:20,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:20,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:20,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:20,136 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 11:51:20,136 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 11:51:20,136 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 [2018-11-10 11:51:20,137 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 11:51:20,137 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 11:51:20,137 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 11:51:20,137 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 11:51:20,138 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 11:51:20,138 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 11:51:20,138 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 11:51:20,139 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 11:51:20,139 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 [2018-11-10 11:51:20,140 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 11:51:20,140 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 11:51:20,140 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 11:51:20,140 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 11:51:20,140 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 11:51:20,141 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 11:51:20,141 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 11:51:20,142 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 11:51:20,142 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 [2018-11-10 11:51:20,143 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 11:51:20,143 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 11:51:20,143 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 11:51:20,143 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 11:51:20,143 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 11:51:20,144 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 11:51:20,144 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 11:51:20,147 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 11:51:20,148 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 [2018-11-10 11:51:20,148 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 11:51:20,148 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 11:51:20,148 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 11:51:20,148 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 11:51:20,149 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 11:51:20,149 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 11:51:20,149 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 11:51:20,150 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 11:51:20,150 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 [2018-11-10 11:51:20,151 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 11:51:20,151 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 11:51:20,151 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 11:51:20,151 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 11:51:20,151 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 11:51:20,152 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 11:51:20,152 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 11:51:20,155 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 11:51:20,157 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-10 11:51:20,158 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-10 11:51:20,158 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 11:51:20,158 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-10 11:51:20,158 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 11:51:20,158 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = -1*addition_~n Supporting invariants [] [2018-11-10 11:51:20,159 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-10 11:51:20,172 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:51:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:51:20,179 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:51:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:51:20,190 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:51:20,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:51:20,204 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 [2018-11-10 11:51:20,204 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 5 Second operand 5 states. [2018-11-10 11:51:20,231 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. [2018-11-10 11:51:20,232 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 [2018-11-10 11:51:20,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-11-10 11:51:20,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 14 transitions. [2018-11-10 11:51:20,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 6 letters. Loop has 5 letters. [2018-11-10 11:51:20,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 11:51:20,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 11 letters. Loop has 5 letters. [2018-11-10 11:51:20,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 11:51:20,234 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 14 transitions. Stem has 6 letters. Loop has 10 letters. [2018-11-10 11:51:20,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 11:51:20,234 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2018-11-10 11:51:20,235 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-10 11:51:20,235 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 29 states and 34 transitions. [2018-11-10 11:51:20,236 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2018-11-10 11:51:20,236 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2018-11-10 11:51:20,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 34 transitions. [2018-11-10 11:51:20,236 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-10 11:51:20,236 INFO L705 BuchiCegarLoop]: Abstraction has 29 states and 34 transitions. [2018-11-10 11:51:20,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 34 transitions. [2018-11-10 11:51:20,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2018-11-10 11:51:20,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-11-10 11:51:20,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2018-11-10 11:51:20,238 INFO L728 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2018-11-10 11:51:20,238 INFO L608 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2018-11-10 11:51:20,238 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-10 11:51:20,239 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 31 transitions. [2018-11-10 11:51:20,239 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-10 11:51:20,239 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 11:51:20,239 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 11:51:20,240 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 11:51:20,240 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-10 11:51:20,240 INFO L793 eck$LassoCheckResult]: Stem: 252#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 236#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 237#L29 call main_#t~ret4 := addition(main_~m~0, main_~n~0);< 255#additionENTRY ~m := #in~m;~n := #in~n; 248#L14 assume !(~n == 0); 258#L17 assume !(~n > 0); 259#L20 assume ~n < 0; 243#L21 call #t~ret1 := addition(~m - 1, ~n + 1);< 244#additionENTRY ~m := #in~m;~n := #in~n; 245#L14 assume !(~n == 0); 253#L17 assume ~n > 0; 239#L18 [2018-11-10 11:51:20,240 INFO L795 eck$LassoCheckResult]: Loop: 239#L18 call #t~ret0 := addition(~m + 1, ~n - 1);< 250#additionENTRY ~m := #in~m;~n := #in~n; 261#L14 assume !(~n == 0); 260#L17 assume ~n > 0; 239#L18 [2018-11-10 11:51:20,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:51:20,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1017357234, now seen corresponding path program 1 times [2018-11-10 11:51:20,240 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:51:20,240 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:51:20,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:20,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:51:20,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:51:20,297 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:51:20,298 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 11:51:20,298 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 11:51:20,300 INFO L798 eck$LassoCheckResult]: stem already infeasible [2018-11-10 11:51:20,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:51:20,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1981232, now seen corresponding path program 2 times [2018-11-10 11:51:20,300 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 11:51:20,300 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 11:51:20,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:20,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 11:51:20,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 11:51:20,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:51:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 11:51:20,336 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 11:51:20,336 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 11:51:20,336 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 11:51:20,337 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 11:51:20,337 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 11:51:20,337 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 11:51:20,337 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 11:51:20,337 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 11:51:20,337 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition03_true-unreach-call_true-no-overflow_true-termination.c_Iteration3_Loop [2018-11-10 11:51:20,337 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 11:51:20,337 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 11:51:20,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:20,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:20,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:20,345 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:20,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:20,382 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 11:51:20,382 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d66dd5a4-2105-455c-885d-7c69dafa3a9c/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 [2018-11-10 11:51:20,384 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 11:51:20,384 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d66dd5a4-2105-455c-885d-7c69dafa3a9c/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 [2018-11-10 11:51:20,403 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 11:51:20,403 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 11:51:20,604 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 11:51:20,604 INFO L446 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=-5, addition_~m=-5}, {addition_#in~m=-1, addition_~m=6}, {addition_#in~m=7, addition_~m=0}] Lambdas: [1, 1, 0] Nus: [0, 1] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d66dd5a4-2105-455c-885d-7c69dafa3a9c/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 [2018-11-10 11:51:20,621 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 11:51:20,621 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 11:51:20,622 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 11:51:20,622 INFO L446 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_d66dd5a4-2105-455c-885d-7c69dafa3a9c/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 [2018-11-10 11:51:20,640 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 11:51:20,640 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 11:51:20,642 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 11:51:20,642 INFO L446 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_d66dd5a4-2105-455c-885d-7c69dafa3a9c/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 [2018-11-10 11:51:20,658 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 11:51:20,658 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 11:51:20,660 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 11:51:20,660 INFO L446 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_d66dd5a4-2105-455c-885d-7c69dafa3a9c/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 [2018-11-10 11:51:20,675 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 11:51:20,675 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d66dd5a4-2105-455c-885d-7c69dafa3a9c/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 [2018-11-10 11:51:20,695 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 11:51:20,695 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 11:51:21,500 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-10 11:51:21,501 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 11:51:21,502 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 11:51:21,502 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 11:51:21,502 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 11:51:21,502 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 11:51:21,502 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 11:51:21,502 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 11:51:21,502 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 11:51:21,502 INFO L131 ssoRankerPreferences]: Filename of dumped script: Addition03_true-unreach-call_true-no-overflow_true-termination.c_Iteration3_Loop [2018-11-10 11:51:21,503 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 11:51:21,503 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 11:51:21,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:21,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:21,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:21,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:21,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 11:51:21,536 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 11:51:21,536 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 11:51:21,536 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 [2018-11-10 11:51:21,537 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 11:51:21,537 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 11:51:21,537 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 11:51:21,537 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 11:51:21,537 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 11:51:21,538 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 11:51:21,538 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 11:51:21,541 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 11:51:21,542 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 [2018-11-10 11:51:21,542 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 11:51:21,542 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 11:51:21,542 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 11:51:21,542 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 11:51:21,543 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 11:51:21,543 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 11:51:21,543 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 11:51:21,544 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 11:51:21,544 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 [2018-11-10 11:51:21,544 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 11:51:21,545 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 11:51:21,545 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 11:51:21,545 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 11:51:21,545 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 11:51:21,545 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 11:51:21,545 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 11:51:21,546 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 11:51:21,550 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 [2018-11-10 11:51:21,550 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 11:51:21,550 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 11:51:21,551 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 11:51:21,551 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 11:51:21,551 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 11:51:21,551 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 11:51:21,551 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 11:51:21,554 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-10 11:51:21,557 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-10 11:51:21,558 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2018-11-10 11:51:21,558 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-10 11:51:21,558 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-10 11:51:21,558 INFO L517 LassoAnalysis]: Proved termination. [2018-11-10 11:51:21,558 INFO L519 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = 1*addition_~n Supporting invariants [] [2018-11-10 11:51:21,559 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-10 11:51:21,570 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:51:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:51:21,579 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:51:21,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:51:21,587 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 11:51:21,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:51:21,618 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 [2018-11-10 11:51:21,618 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 8 Second operand 4 states. [2018-11-10 11:51:21,647 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. [2018-11-10 11:51:21,648 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 [2018-11-10 11:51:21,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-10 11:51:21,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2018-11-10 11:51:21,649 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 4 letters. [2018-11-10 11:51:21,649 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 11:51:21,649 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 15 letters. Loop has 4 letters. [2018-11-10 11:51:21,649 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 11:51:21,649 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 8 letters. [2018-11-10 11:51:21,650 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-10 11:51:21,650 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 73 transitions. [2018-11-10 11:51:21,652 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2018-11-10 11:51:21,653 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 54 states and 64 transitions. [2018-11-10 11:51:21,653 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2018-11-10 11:51:21,653 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2018-11-10 11:51:21,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 64 transitions. [2018-11-10 11:51:21,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2018-11-10 11:51:21,654 INFO L705 BuchiCegarLoop]: Abstraction has 54 states and 64 transitions. [2018-11-10 11:51:21,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 64 transitions. [2018-11-10 11:51:21,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 47. [2018-11-10 11:51:21,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-11-10 11:51:21,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 56 transitions. [2018-11-10 11:51:21,657 INFO L728 BuchiCegarLoop]: Abstraction has 47 states and 56 transitions. [2018-11-10 11:51:21,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 11:51:21,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-11-10 11:51:21,661 INFO L87 Difference]: Start difference. First operand 47 states and 56 transitions. Second operand 5 states. [2018-11-10 11:51:21,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 11:51:21,698 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2018-11-10 11:51:21,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 11:51:21,699 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 41 transitions. [2018-11-10 11:51:21,699 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 11:51:21,700 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2018-11-10 11:51:21,700 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-10 11:51:21,700 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-10 11:51:21,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-10 11:51:21,700 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-10 11:51:21,700 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 11:51:21,700 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 11:51:21,700 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 11:51:21,700 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-10 11:51:21,700 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-10 11:51:21,700 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-10 11:51:21,700 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-10 11:51:21,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 11:51:21 BoogieIcfgContainer [2018-11-10 11:51:21,705 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 11:51:21,705 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:51:21,705 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:51:21,705 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:51:21,706 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:51:11" (3/4) ... [2018-11-10 11:51:21,708 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 11:51:21,708 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:51:21,709 INFO L168 Benchmark]: Toolchain (without parser) took 10143.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.1 MB). Free memory was 959.1 MB in the beginning and 1.2 GB in the end (delta: -233.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:51:21,710 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:51:21,710 INFO L168 Benchmark]: CACSL2BoogieTranslator took 187.04 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 947.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 11:51:21,710 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.56 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:51:21,711 INFO L168 Benchmark]: Boogie Preprocessor took 11.03 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:51:21,711 INFO L168 Benchmark]: RCFGBuilder took 178.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -204.9 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2018-11-10 11:51:21,712 INFO L168 Benchmark]: BuchiAutomizer took 9736.68 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 54.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -42.9 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-11-10 11:51:21,712 INFO L168 Benchmark]: Witness Printer took 3.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:51:21,714 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 187.04 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 947.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.56 ms. Allocated memory is still 1.0 GB. Free memory is still 947.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.03 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 178.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -204.9 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9736.68 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 54.5 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -42.9 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.10 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. 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 9.7s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 9.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 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, 0.0s 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: 8ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 3 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 8.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...