./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/simple_true-unreach-call3_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1eeceb26-de91-4687-a2cb-526d0b00ff1f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1eeceb26-de91-4687-a2cb-526d0b00ff1f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1eeceb26-de91-4687-a2cb-526d0b00ff1f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1eeceb26-de91-4687-a2cb-526d0b00ff1f/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/simple_true-unreach-call3_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1eeceb26-de91-4687-a2cb-526d0b00ff1f/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1eeceb26-de91-4687-a2cb-526d0b00ff1f/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 d57e8ddb55bdff7b186468e47377e815829f9014 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:41:56,696 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:41:56,697 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:41:56,704 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:41:56,704 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:41:56,705 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:41:56,706 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:41:56,707 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:41:56,708 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:41:56,708 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:41:56,709 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:41:56,709 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:41:56,710 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:41:56,710 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:41:56,711 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:41:56,712 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:41:56,712 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:41:56,713 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:41:56,715 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:41:56,716 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:41:56,716 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:41:56,717 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:41:56,719 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:41:56,719 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:41:56,719 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:41:56,719 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:41:56,720 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:41:56,721 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:41:56,721 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:41:56,722 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:41:56,722 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:41:56,722 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:41:56,723 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:41:56,723 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:41:56,723 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:41:56,724 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:41:56,724 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1eeceb26-de91-4687-a2cb-526d0b00ff1f/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 12:41:56,734 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:41:56,734 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:41:56,734 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:41:56,735 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:41:56,735 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:41:56,735 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 12:41:56,735 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 12:41:56,735 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 12:41:56,735 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 12:41:56,735 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 12:41:56,736 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 12:41:56,736 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:41:56,736 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:41:56,736 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:41:56,736 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:41:56,736 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:41:56,736 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:41:56,736 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 12:41:56,737 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 12:41:56,737 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 12:41:56,737 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:41:56,737 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:41:56,737 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 12:41:56,737 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:41:56,737 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 12:41:56,738 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:41:56,738 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:41:56,738 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 12:41:56,738 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:41:56,738 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:41:56,738 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 12:41:56,739 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 12:41:56,739 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_1eeceb26-de91-4687-a2cb-526d0b00ff1f/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 -> d57e8ddb55bdff7b186468e47377e815829f9014 [2018-11-28 12:41:56,762 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:41:56,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:41:56,774 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:41:56,775 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:41:56,775 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:41:56,775 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1eeceb26-de91-4687-a2cb-526d0b00ff1f/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/simple_true-unreach-call3_true-termination.i [2018-11-28 12:41:56,814 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1eeceb26-de91-4687-a2cb-526d0b00ff1f/bin-2019/uautomizer/data/791a436b9/210c9d41f2d0455da298c54de043377d/FLAGe21e55ed7 [2018-11-28 12:41:57,232 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:41:57,233 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1eeceb26-de91-4687-a2cb-526d0b00ff1f/sv-benchmarks/c/loop-acceleration/simple_true-unreach-call3_true-termination.i [2018-11-28 12:41:57,237 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1eeceb26-de91-4687-a2cb-526d0b00ff1f/bin-2019/uautomizer/data/791a436b9/210c9d41f2d0455da298c54de043377d/FLAGe21e55ed7 [2018-11-28 12:41:57,248 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1eeceb26-de91-4687-a2cb-526d0b00ff1f/bin-2019/uautomizer/data/791a436b9/210c9d41f2d0455da298c54de043377d [2018-11-28 12:41:57,250 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:41:57,251 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:41:57,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:41:57,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:41:57,254 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:41:57,255 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:41:57" (1/1) ... [2018-11-28 12:41:57,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29cc7d06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:57, skipping insertion in model container [2018-11-28 12:41:57,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:41:57" (1/1) ... [2018-11-28 12:41:57,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:41:57,272 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:41:57,368 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:41:57,370 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:41:57,380 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:41:57,388 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:41:57,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:57 WrapperNode [2018-11-28 12:41:57,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:41:57,389 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:41:57,389 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:41:57,389 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:41:57,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:57" (1/1) ... [2018-11-28 12:41:57,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:57" (1/1) ... [2018-11-28 12:41:57,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:41:57,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:41:57,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:41:57,410 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:41:57,415 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:57" (1/1) ... [2018-11-28 12:41:57,415 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:57" (1/1) ... [2018-11-28 12:41:57,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:57" (1/1) ... [2018-11-28 12:41:57,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:57" (1/1) ... [2018-11-28 12:41:57,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:57" (1/1) ... [2018-11-28 12:41:57,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:57" (1/1) ... [2018-11-28 12:41:57,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:57" (1/1) ... [2018-11-28 12:41:57,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:41:57,458 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:41:57,458 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:41:57,459 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:41:57,459 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1eeceb26-de91-4687-a2cb-526d0b00ff1f/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 [2018-11-28 12:41:57,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:41:57,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:41:57,604 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:41:57,604 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 12:41:57,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:41:57 BoogieIcfgContainer [2018-11-28 12:41:57,605 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:41:57,605 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 12:41:57,605 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 12:41:57,608 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 12:41:57,608 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:41:57,608 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 12:41:57" (1/3) ... [2018-11-28 12:41:57,609 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40d07570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:41:57, skipping insertion in model container [2018-11-28 12:41:57,609 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:41:57,610 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:41:57" (2/3) ... [2018-11-28 12:41:57,610 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40d07570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:41:57, skipping insertion in model container [2018-11-28 12:41:57,610 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:41:57,610 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:41:57" (3/3) ... [2018-11-28 12:41:57,612 INFO L375 chiAutomizerObserver]: Analyzing ICFG simple_true-unreach-call3_true-termination.i [2018-11-28 12:41:57,650 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:41:57,651 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 12:41:57,651 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 12:41:57,651 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 12:41:57,651 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:41:57,651 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:41:57,651 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 12:41:57,651 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:41:57,651 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 12:41:57,660 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 12:41:57,675 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 12:41:57,675 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:41:57,675 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:41:57,679 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 12:41:57,680 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 12:41:57,680 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 12:41:57,680 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 12:41:57,680 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 12:41:57,681 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:41:57,681 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:41:57,681 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 12:41:57,681 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 12:41:57,686 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~N~0;main_~x~0 := 0;main_~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 3#L12-2true [2018-11-28 12:41:57,686 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 3#L12-2true [2018-11-28 12:41:57,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:57,690 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 12:41:57,692 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:41:57,692 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:41:57,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:57,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:41:57,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:57,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:41:57,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:41:57,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:57,753 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-11-28 12:41:57,753 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:41:57,753 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:41:57,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:57,754 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:41:57,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:41:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:41:57,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:41:57,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-11-28 12:41:57,766 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:41:57,766 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:41:57,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:57,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:41:57,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:41:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:41:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:41:57,838 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:41:57,839 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:41:57,839 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:41:57,839 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:41:57,839 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 12:41:57,839 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:41:57,839 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:41:57,839 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:41:57,840 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-28 12:41:57,840 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:41:57,840 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:41:57,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:41:58,012 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:41:58,013 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1eeceb26-de91-4687-a2cb-526d0b00ff1f/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 [2018-11-28 12:41:58,018 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:41:58,018 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1eeceb26-de91-4687-a2cb-526d0b00ff1f/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 [2018-11-28 12:41:58,037 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 12:41:58,037 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:42:10,100 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 12:42:10,106 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:42:10,107 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:42:10,107 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:42:10,107 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:42:10,107 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 12:42:10,107 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:42:10,107 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:42:10,107 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:42:10,107 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-28 12:42:10,107 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:42:10,107 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:42:10,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:42:10,158 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:42:10,163 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 12:42:10,164 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 [2018-11-28 12:42:10,165 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:10,165 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:10,166 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:10,166 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:10,166 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:42:10,168 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:42:10,168 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:10,179 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:10,179 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 12:42:10,180 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 [2018-11-28 12:42:10,180 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:10,180 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:10,180 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:10,181 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:10,181 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:42:10,182 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 12:42:10,182 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:10,195 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:10,195 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 12:42:10,195 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 [2018-11-28 12:42:10,196 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:10,196 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:10,196 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:10,197 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:10,197 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:42:10,199 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:42:10,199 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:10,214 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:10,214 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 12:42:10,214 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 [2018-11-28 12:42:10,215 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:10,215 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:10,215 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:10,215 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:10,216 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:42:10,217 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 12:42:10,218 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:10,233 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:10,233 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 12:42:10,233 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 [2018-11-28 12:42:10,234 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:10,234 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:42:10,234 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:10,235 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:10,235 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:10,235 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:42:10,237 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 12:42:10,237 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:10,267 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:10,267 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 12:42:10,268 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 [2018-11-28 12:42:10,269 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:10,269 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 12:42:10,269 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:10,269 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:10,269 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:10,269 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:42:10,274 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:42:10,274 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:10,312 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:10,312 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 12:42:10,312 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 [2018-11-28 12:42:10,313 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:10,314 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:42:10,314 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:10,314 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:10,314 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:10,314 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:42:10,319 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 12:42:10,319 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:10,366 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:10,366 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 12:42:10,367 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 [2018-11-28 12:42:10,367 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:10,368 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:42:10,368 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:10,368 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:10,368 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:10,368 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:42:10,370 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:42:10,370 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:10,381 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:10,381 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 12:42:10,381 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 [2018-11-28 12:42:10,382 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:10,382 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:42:10,382 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:10,383 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:10,383 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:10,383 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 12:42:10,385 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:42:10,385 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:10,403 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:10,440 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:42:10,440 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:42:10,440 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:42:10,440 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:42:10,440 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 12:42:10,440 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:42:10,440 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:42:10,440 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:42:10,440 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-28 12:42:10,440 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:42:10,441 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:42:10,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:42:10,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:42:10,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:42:10,522 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:42:10,522 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1eeceb26-de91-4687-a2cb-526d0b00ff1f/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 [2018-11-28 12:42:10,529 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:42:10,529 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:42:10,533 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 12:42:10,533 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1eeceb26-de91-4687-a2cb-526d0b00ff1f/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 [2018-11-28 12:42:10,557 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:42:10,557 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1eeceb26-de91-4687-a2cb-526d0b00ff1f/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 [2018-11-28 12:42:10,584 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 12:42:10,584 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:42:22,659 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 12:42:22,667 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:42:22,667 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:42:22,667 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:42:22,667 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:42:22,667 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 12:42:22,667 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:42:22,667 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:42:22,667 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:42:22,668 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-28 12:42:22,668 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:42:22,668 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:42:22,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:42:22,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:42:22,677 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:42:22,794 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:42:22,794 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 12:42:22,795 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 [2018-11-28 12:42:22,795 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:22,796 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:22,796 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:22,796 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:42:22,798 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:42:22,798 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:42:22,809 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:22,810 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 [2018-11-28 12:42:22,810 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:22,810 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:22,810 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:22,811 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:22,812 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:42:22,813 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:42:22,813 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:22,813 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:22,814 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 [2018-11-28 12:42:22,814 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:22,814 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:22,815 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:22,815 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:22,815 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:42:22,815 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:42:22,815 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:22,816 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:22,816 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 12:42:22,816 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 [2018-11-28 12:42:22,817 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:22,817 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:22,817 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:22,817 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:42:22,820 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 12:42:22,820 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 12:42:22,833 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:22,834 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 [2018-11-28 12:42:22,834 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:22,835 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:22,835 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:22,835 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:22,835 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:42:22,835 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 12:42:22,836 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:22,836 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:22,836 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 [2018-11-28 12:42:22,837 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:22,837 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:22,837 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:22,837 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:22,838 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:42:22,838 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 12:42:22,838 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:22,839 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:22,839 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 12:42:22,839 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 [2018-11-28 12:42:22,840 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:22,840 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:22,840 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:22,840 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:42:22,843 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 12:42:22,844 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 12:42:22,857 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:22,858 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 [2018-11-28 12:42:22,858 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:22,858 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:22,858 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:22,859 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:22,859 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:42:22,860 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:42:22,860 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:22,861 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:22,861 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 [2018-11-28 12:42:22,862 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:22,862 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:22,862 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:22,862 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:22,862 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:42:22,863 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:42:22,863 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:22,864 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:22,864 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 12:42:22,864 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 [2018-11-28 12:42:22,865 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:22,865 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:22,865 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:22,865 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:42:22,869 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 12:42:22,869 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 12:42:22,886 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:22,886 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 [2018-11-28 12:42:22,887 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:22,887 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:22,887 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:22,887 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:22,887 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:42:22,888 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 12:42:22,888 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:22,888 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:22,889 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 [2018-11-28 12:42:22,889 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:22,889 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:22,889 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:22,890 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:22,890 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:42:22,890 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 12:42:22,890 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:22,891 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:22,891 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 12:42:22,891 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 [2018-11-28 12:42:22,892 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:22,892 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:42:22,892 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:22,892 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:22,892 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:42:22,895 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 12:42:22,895 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 12:42:22,920 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:22,921 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 [2018-11-28 12:42:22,921 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:22,921 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:42:22,921 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:22,922 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:22,922 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:22,922 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:42:22,922 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 12:42:22,923 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:22,923 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:22,923 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 [2018-11-28 12:42:22,924 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:22,924 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:42:22,924 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:22,924 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:22,924 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:22,925 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:42:22,925 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 12:42:22,925 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:22,926 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:22,926 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 12:42:22,926 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 [2018-11-28 12:42:22,927 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:22,927 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 12:42:22,927 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:22,927 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:22,927 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:42:22,931 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 12:42:22,931 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 12:42:22,978 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:22,978 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 [2018-11-28 12:42:22,979 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:22,979 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 12:42:22,979 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:22,979 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:22,979 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:22,979 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:42:22,980 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:42:22,980 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:22,982 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:22,982 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 [2018-11-28 12:42:22,983 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:22,984 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 12:42:22,984 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:22,984 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:22,984 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:22,984 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:42:22,985 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:42:22,985 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:22,986 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:22,986 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 12:42:22,986 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 [2018-11-28 12:42:22,987 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:22,988 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:42:22,988 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:22,988 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:22,988 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:42:22,992 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 12:42:22,992 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 12:42:23,079 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:23,079 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 [2018-11-28 12:42:23,080 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:23,080 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:42:23,080 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:23,081 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:23,081 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:23,081 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:42:23,082 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 12:42:23,082 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:23,083 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:23,083 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 [2018-11-28 12:42:23,084 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:23,084 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:42:23,084 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:23,084 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:23,084 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:23,084 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:42:23,085 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 12:42:23,086 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:23,086 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:23,086 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 12:42:23,087 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 [2018-11-28 12:42:23,087 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:23,087 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:42:23,088 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:23,088 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:23,088 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:42:23,090 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 12:42:23,090 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 12:42:23,115 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:23,115 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 [2018-11-28 12:42:23,116 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:23,116 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:42:23,116 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:23,116 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:23,116 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:23,116 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:42:23,117 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:42:23,117 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:23,118 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:23,118 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 [2018-11-28 12:42:23,119 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:23,119 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:42:23,119 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:23,119 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:23,119 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:23,119 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:42:23,120 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:42:23,120 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:23,121 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:23,121 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 12:42:23,122 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 [2018-11-28 12:42:23,122 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:23,122 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:42:23,122 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:23,122 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:23,123 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 12:42:23,126 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 12:42:23,126 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 12:42:23,190 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:23,191 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 [2018-11-28 12:42:23,191 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:23,191 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:42:23,191 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:23,191 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:23,192 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:23,192 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 12:42:23,192 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:42:23,192 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:23,194 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:23,194 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 [2018-11-28 12:42:23,195 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:23,195 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:42:23,195 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:23,195 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:23,195 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:23,195 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 12:42:23,196 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:42:23,196 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:23,197 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:23,198 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-28 12:42:23,198 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~N~0;main_~x~0 := 0;main_~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 3#L12-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 3#L12-2true [2018-11-28 12:42:23,198 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 3#L12-2true [2018-11-28 12:42:23,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:42:23,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2018-11-28 12:42:23,198 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:42:23,198 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:42:23,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:42:23,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:42:23,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:42:23,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:42:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:42:23,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:42:23,205 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2018-11-28 12:42:23,206 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:42:23,206 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:42:23,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:42:23,206 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:42:23,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:42:23,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:42:23,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:42:23,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:42:23,212 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2018-11-28 12:42:23,212 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:42:23,212 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:42:23,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:42:23,213 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:42:23,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:42:23,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:42:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:42:23,248 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:42:23,248 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:42:23,248 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:42:23,249 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:42:23,249 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 12:42:23,249 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:42:23,249 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:42:23,249 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:42:23,249 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-28 12:42:23,249 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:42:23,249 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:42:23,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:42:23,383 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:42:23,383 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1eeceb26-de91-4687-a2cb-526d0b00ff1f/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 [2018-11-28 12:42:23,386 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:42:23,386 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1eeceb26-de91-4687-a2cb-526d0b00ff1f/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 [2018-11-28 12:42:23,420 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 12:42:23,420 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:42:38,463 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 12:42:38,470 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:42:38,471 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:42:38,471 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:42:38,471 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:42:38,471 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 12:42:38,471 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:42:38,471 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:42:38,471 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:42:38,471 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-28 12:42:38,471 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:42:38,472 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:42:38,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:42:38,520 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:42:38,520 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 12:42:38,521 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 [2018-11-28 12:42:38,521 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:38,521 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:38,521 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:38,522 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:38,522 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:42:38,522 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:42:38,522 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:38,524 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:38,524 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 12:42:38,525 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 [2018-11-28 12:42:38,525 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:38,525 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:38,525 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:38,525 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:38,525 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:42:38,526 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 12:42:38,526 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:38,528 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:38,528 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 12:42:38,528 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 [2018-11-28 12:42:38,529 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:38,529 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:38,529 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:38,529 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:38,529 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:42:38,530 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:42:38,530 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:38,533 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:38,533 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 12:42:38,534 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 [2018-11-28 12:42:38,534 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:38,534 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:38,534 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:38,534 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:38,535 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:42:38,535 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 12:42:38,535 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:38,539 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:38,540 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 12:42:38,540 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 [2018-11-28 12:42:38,540 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:38,540 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:42:38,541 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:38,541 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:38,541 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:38,541 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:42:38,542 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 12:42:38,542 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:38,549 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:38,549 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 12:42:38,549 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 [2018-11-28 12:42:38,550 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:38,550 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 12:42:38,550 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:38,550 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:38,550 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:38,550 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:42:38,552 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:42:38,552 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:38,567 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:38,567 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 12:42:38,567 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 [2018-11-28 12:42:38,568 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:38,568 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:42:38,568 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:38,568 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:38,568 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:38,568 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:42:38,570 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 12:42:38,571 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:38,643 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:38,644 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 12:42:38,644 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 [2018-11-28 12:42:38,644 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:38,645 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:42:38,645 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:38,645 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:38,645 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:38,645 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:42:38,646 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:42:38,646 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:38,651 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:38,652 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 12:42:38,652 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 [2018-11-28 12:42:38,653 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:38,653 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:42:38,653 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:38,653 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:38,653 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:38,653 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 12:42:38,654 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:42:38,654 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:38,668 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:38,705 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:42:38,705 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:42:38,705 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:42:38,705 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:42:38,705 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 12:42:38,705 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:42:38,705 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:42:38,705 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:42:38,706 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-28 12:42:38,706 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:42:38,706 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:42:38,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:42:38,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:42:38,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:42:38,801 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:42:38,801 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1eeceb26-de91-4687-a2cb-526d0b00ff1f/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 [2018-11-28 12:42:38,808 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:42:38,808 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:42:38,816 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 12:42:38,816 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1eeceb26-de91-4687-a2cb-526d0b00ff1f/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 [2018-11-28 12:42:38,848 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:42:38,848 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:42:38,851 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 12:42:38,851 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1eeceb26-de91-4687-a2cb-526d0b00ff1f/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 [2018-11-28 12:42:38,880 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 12:42:38,880 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1eeceb26-de91-4687-a2cb-526d0b00ff1f/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 [2018-11-28 12:42:38,911 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 12:42:38,911 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 12:42:53,832 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 12:42:53,839 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 12:42:53,839 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 12:42:53,839 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 12:42:53,839 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 12:42:53,839 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 12:42:53,840 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 12:42:53,840 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 12:42:53,840 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 12:42:53,840 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-28 12:42:53,840 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 12:42:53,840 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 12:42:53,841 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:42:53,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:42:53,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 12:42:53,926 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 12:42:53,927 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 12:42:53,927 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 [2018-11-28 12:42:53,927 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:53,927 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:53,928 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:53,928 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:53,928 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:42:53,928 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:42:53,928 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:53,929 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:53,929 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 [2018-11-28 12:42:53,929 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:53,929 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:53,929 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:53,929 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:42:53,930 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:42:53,930 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 12:42:53,937 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:53,938 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 [2018-11-28 12:42:53,938 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:53,938 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:53,938 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:53,938 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:53,938 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 12:42:53,939 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 12:42:53,939 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:53,939 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:53,939 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 12:42:53,939 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 [2018-11-28 12:42:53,940 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:53,940 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:53,940 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:53,940 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:53,940 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:42:53,940 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 12:42:53,940 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:53,941 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:53,941 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 [2018-11-28 12:42:53,941 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:53,941 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:53,941 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:53,941 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:42:53,943 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 12:42:53,943 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 12:42:53,953 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:53,954 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 [2018-11-28 12:42:53,954 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:53,954 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:53,954 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:53,954 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:53,954 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:42:53,955 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 12:42:53,955 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:53,955 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:53,955 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 12:42:53,955 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 [2018-11-28 12:42:53,956 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:53,956 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:53,956 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:53,956 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:53,956 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:42:53,956 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:42:53,957 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:53,957 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:53,957 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 [2018-11-28 12:42:53,957 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:53,958 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:53,958 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:53,958 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:42:53,959 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 12:42:53,960 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 12:42:53,975 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:53,976 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 [2018-11-28 12:42:53,976 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:53,976 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:53,976 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:53,976 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:53,977 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:42:53,977 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:42:53,977 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:53,977 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:53,977 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 12:42:53,978 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 [2018-11-28 12:42:53,978 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:53,978 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:53,978 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:53,978 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:53,978 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:42:53,979 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 12:42:53,979 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:53,979 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:53,980 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 [2018-11-28 12:42:53,980 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:53,980 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:53,980 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:53,980 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:42:53,982 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 12:42:53,983 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 12:42:54,001 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:54,001 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 [2018-11-28 12:42:54,001 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 12:42:54,002 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:54,002 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:54,002 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:54,002 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:42:54,002 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 12:42:54,002 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:54,003 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:54,003 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 12:42:54,003 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 [2018-11-28 12:42:54,004 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:54,004 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:42:54,004 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:54,004 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:54,004 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:54,004 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:42:54,004 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 12:42:54,005 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:54,005 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:54,005 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 [2018-11-28 12:42:54,006 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:54,006 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:42:54,006 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:54,006 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:54,006 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:42:54,008 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 12:42:54,008 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 12:42:54,034 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:54,034 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 [2018-11-28 12:42:54,034 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:54,034 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:42:54,035 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:54,037 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:54,037 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:54,037 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 12:42:54,038 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 12:42:54,038 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:54,038 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:54,038 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 12:42:54,039 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 [2018-11-28 12:42:54,039 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:54,039 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 12:42:54,039 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:54,039 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:54,039 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:54,040 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:42:54,040 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:42:54,040 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:54,041 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:54,041 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 [2018-11-28 12:42:54,042 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:54,042 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 12:42:54,042 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:54,042 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:54,042 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:42:54,044 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 12:42:54,045 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 12:42:54,111 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:54,112 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 [2018-11-28 12:42:54,112 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:54,112 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 12:42:54,113 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:54,113 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:54,113 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:54,113 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:42:54,114 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:42:54,114 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:54,114 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:54,115 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 12:42:54,115 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 [2018-11-28 12:42:54,115 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:54,115 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:42:54,116 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:54,116 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:54,116 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:54,116 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:42:54,117 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 12:42:54,117 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:54,117 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:54,118 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 [2018-11-28 12:42:54,118 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:54,118 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:42:54,119 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:54,119 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:54,119 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:42:54,123 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 12:42:54,123 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 12:42:54,228 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:54,228 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 [2018-11-28 12:42:54,228 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:54,229 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:42:54,229 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:54,229 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:54,229 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:54,229 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 12:42:54,230 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 12:42:54,230 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:54,230 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:54,231 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 12:42:54,231 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 [2018-11-28 12:42:54,231 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:54,231 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:42:54,231 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:54,231 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:54,232 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:54,232 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:42:54,232 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:42:54,232 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:54,233 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:54,233 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 [2018-11-28 12:42:54,233 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:54,233 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:42:54,234 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:54,234 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:54,234 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:42:54,236 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 12:42:54,236 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 12:42:54,258 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:54,258 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 [2018-11-28 12:42:54,259 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:54,259 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 12:42:54,259 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:54,259 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:54,259 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:54,259 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 12:42:54,260 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 12:42:54,260 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:54,261 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:54,261 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 12:42:54,261 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 [2018-11-28 12:42:54,261 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:54,261 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:42:54,262 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:54,262 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:54,262 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:54,262 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 12:42:54,262 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:42:54,262 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:54,263 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:54,264 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 [2018-11-28 12:42:54,264 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:54,264 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:42:54,264 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:54,264 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:54,265 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 12:42:54,267 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 12:42:54,267 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 12:42:54,364 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:54,364 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 [2018-11-28 12:42:54,364 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 12:42:54,365 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 12:42:54,365 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 12:42:54,365 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 12:42:54,365 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 12:42:54,365 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 12:42:54,366 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 12:42:54,366 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 12:42:54,367 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 12:42:54,372 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 12:42:54 BoogieIcfgContainer [2018-11-28 12:42:54,372 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 12:42:54,372 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:42:54,372 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:42:54,372 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:42:54,373 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:41:57" (3/4) ... [2018-11-28 12:42:54,378 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 12:42:54,378 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:42:54,379 INFO L168 Benchmark]: Toolchain (without parser) took 57128.49 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 209.2 MB). Free memory was 952.2 MB in the beginning and 936.7 MB in the end (delta: 15.5 MB). Peak memory consumption was 224.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:42:54,381 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:42:54,381 INFO L168 Benchmark]: CACSL2BoogieTranslator took 136.79 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:42:54,381 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.34 ms. Allocated memory is still 1.0 GB. Free memory is still 941.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:42:54,382 INFO L168 Benchmark]: Boogie Preprocessor took 48.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -193.4 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-11-28 12:42:54,382 INFO L168 Benchmark]: RCFGBuilder took 146.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:42:54,382 INFO L168 Benchmark]: BuchiAutomizer took 56766.50 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 1.1 GB in the beginning and 936.7 MB in the end (delta: 169.7 MB). Peak memory consumption was 329.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:42:54,383 INFO L168 Benchmark]: Witness Printer took 5.90 ms. Allocated memory is still 1.2 GB. Free memory is still 936.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:42:54,385 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 136.79 ms. Allocated memory is still 1.0 GB. Free memory was 952.2 MB in the beginning and 941.4 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.34 ms. Allocated memory is still 1.0 GB. Free memory is still 941.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 941.4 MB in the beginning and 1.1 GB in the end (delta: -193.4 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 146.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 56766.50 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 79.7 MB). Free memory was 1.1 GB in the beginning and 936.7 MB in the end (delta: 169.7 MB). Peak memory consumption was 329.6 MB. Max. memory is 11.5 GB. * Witness Printer took 5.90 ms. Allocated memory is still 1.2 GB. Free memory is still 936.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 56.7s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 56.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div644 bol100 ite100 ukn100 eq141 hnf42 smp89 dnf100 smp100 tf102 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 99ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 30.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~N~0;main_~x~0 := 0;main_~N~0 := main_#t~nondet0;havoc main_#t~nondet0;" "assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0;" Loop: "assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...