./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/loop-acceleration/underapprox_false-unreach-call2_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/underapprox_false-unreach-call2_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/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 c0ad4658b31654787cb281a441e891421d607e94 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 02:38:24,674 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 02:38:24,675 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 02:38:24,682 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 02:38:24,683 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 02:38:24,683 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 02:38:24,684 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 02:38:24,685 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 02:38:24,686 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 02:38:24,687 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 02:38:24,687 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 02:38:24,688 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 02:38:24,688 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 02:38:24,689 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 02:38:24,690 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 02:38:24,690 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 02:38:24,691 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 02:38:24,692 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 02:38:24,693 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 02:38:24,694 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 02:38:24,695 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 02:38:24,696 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 02:38:24,697 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 02:38:24,697 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 02:38:24,698 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 02:38:24,698 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 02:38:24,699 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 02:38:24,700 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 02:38:24,700 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 02:38:24,701 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 02:38:24,701 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 02:38:24,701 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 02:38:24,702 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 02:38:24,702 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 02:38:24,702 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 02:38:24,703 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 02:38:24,703 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 02:38:24,713 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 02:38:24,714 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 02:38:24,714 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 02:38:24,715 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 02:38:24,715 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 02:38:24,715 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 02:38:24,715 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 02:38:24,715 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 02:38:24,715 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 02:38:24,715 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 02:38:24,716 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 02:38:24,716 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 02:38:24,716 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 02:38:24,716 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 02:38:24,716 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 02:38:24,716 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 02:38:24,716 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 02:38:24,716 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 02:38:24,717 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 02:38:24,717 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 02:38:24,717 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 02:38:24,717 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 02:38:24,717 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 02:38:24,717 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 02:38:24,717 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 02:38:24,718 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 02:38:24,718 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 02:38:24,718 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 02:38:24,718 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 02:38:24,718 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 02:38:24,719 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 02:38:24,719 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_6b0c7c95-a4d0-4576-8c43-43afc37db278/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 -> c0ad4658b31654787cb281a441e891421d607e94 [2018-11-10 02:38:24,740 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 02:38:24,747 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 02:38:24,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 02:38:24,751 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 02:38:24,751 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 02:38:24,752 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/underapprox_false-unreach-call2_true-termination.i [2018-11-10 02:38:24,795 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/data/213906e47/7e88064212a94f60a2dc4f2a956ae6fe/FLAGdc00b0cc9 [2018-11-10 02:38:25,193 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 02:38:25,193 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/sv-benchmarks/c/loop-acceleration/underapprox_false-unreach-call2_true-termination.i [2018-11-10 02:38:25,197 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/data/213906e47/7e88064212a94f60a2dc4f2a956ae6fe/FLAGdc00b0cc9 [2018-11-10 02:38:25,206 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/data/213906e47/7e88064212a94f60a2dc4f2a956ae6fe [2018-11-10 02:38:25,208 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 02:38:25,209 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 02:38:25,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 02:38:25,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 02:38:25,212 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 02:38:25,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:38:25" (1/1) ... [2018-11-10 02:38:25,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32089edc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:25, skipping insertion in model container [2018-11-10 02:38:25,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 02:38:25" (1/1) ... [2018-11-10 02:38:25,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 02:38:25,232 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 02:38:25,327 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:38:25,329 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 02:38:25,338 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 02:38:25,346 INFO L193 MainTranslator]: Completed translation [2018-11-10 02:38:25,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:25 WrapperNode [2018-11-10 02:38:25,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 02:38:25,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 02:38:25,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 02:38:25,346 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 02:38:25,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:25" (1/1) ... [2018-11-10 02:38:25,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:25" (1/1) ... [2018-11-10 02:38:25,366 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 02:38:25,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 02:38:25,367 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 02:38:25,367 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 02:38:25,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:25" (1/1) ... [2018-11-10 02:38:25,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:25" (1/1) ... [2018-11-10 02:38:25,375 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:25" (1/1) ... [2018-11-10 02:38:25,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:25" (1/1) ... [2018-11-10 02:38:25,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:25" (1/1) ... [2018-11-10 02:38:25,378 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:25" (1/1) ... [2018-11-10 02:38:25,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:25" (1/1) ... [2018-11-10 02:38:25,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 02:38:25,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 02:38:25,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 02:38:25,380 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 02:38:25,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 02:38:25,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 02:38:25,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 02:38:25,527 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 02:38:25,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:38:25 BoogieIcfgContainer [2018-11-10 02:38:25,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 02:38:25,528 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 02:38:25,528 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 02:38:25,531 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 02:38:25,532 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 02:38:25,532 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 02:38:25" (1/3) ... [2018-11-10 02:38:25,533 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1547d5f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 02:38:25, skipping insertion in model container [2018-11-10 02:38:25,533 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 02:38:25,533 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 02:38:25" (2/3) ... [2018-11-10 02:38:25,534 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1547d5f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 02:38:25, skipping insertion in model container [2018-11-10 02:38:25,534 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 02:38:25,534 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:38:25" (3/3) ... [2018-11-10 02:38:25,535 INFO L375 chiAutomizerObserver]: Analyzing ICFG underapprox_false-unreach-call2_true-termination.i [2018-11-10 02:38:25,569 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 02:38:25,570 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 02:38:25,570 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 02:38:25,570 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 02:38:25,570 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 02:38:25,570 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 02:38:25,570 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 02:38:25,570 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 02:38:25,570 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 02:38:25,579 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-10 02:38:25,593 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-10 02:38:25,593 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 02:38:25,593 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 02:38:25,598 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-10 02:38:25,598 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-10 02:38:25,598 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 02:38:25,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-10 02:38:25,599 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-10 02:38:25,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 02:38:25,599 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 02:38:25,599 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-10 02:38:25,599 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-10 02:38:25,603 INFO L793 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-3true [2018-11-10 02:38:25,604 INFO L795 eck$LassoCheckResult]: Loop: 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := main_#t~post0 + 1;havoc main_#t~post0;main_~y~0 := main_~y~0 * 2; 9#L11-3true [2018-11-10 02:38:25,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:38:25,607 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-10 02:38:25,608 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 02:38:25,609 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 02:38:25,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:38:25,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 02:38:25,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:38:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:38:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:38:25,663 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:38:25,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 1 times [2018-11-10 02:38:25,663 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 02:38:25,663 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 02:38:25,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:38:25,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 02:38:25,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:38:25,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:38:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:38:25,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:38:25,673 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 1 times [2018-11-10 02:38:25,673 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 02:38:25,673 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 02:38:25,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:38:25,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 02:38:25,674 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:38:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:38:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:38:25,720 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 02:38:25,720 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 02:38:25,721 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 02:38:25,721 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 02:38:25,721 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 02:38:25,721 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 02:38:25,721 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 02:38:25,721 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 02:38:25,721 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-10 02:38:25,721 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 02:38:25,722 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 02:38:25,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:38:25,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:38:25,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:38:25,846 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 02:38:25,847 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 02:38:25,854 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 02:38:25,855 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 02:38:25,860 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 02:38:25,861 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 02:38:25,889 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 02:38:25,889 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 02:38:25,892 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 02:38:25,892 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 02:38:25,909 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 02:38:25,910 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 02:38:25,928 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 02:38:25,928 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 02:38:31,966 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-10 02:38:31,968 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 02:38:31,968 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 02:38:31,969 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 02:38:31,969 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 02:38:31,969 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 02:38:31,969 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 02:38:31,969 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 02:38:31,969 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 02:38:31,969 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-10 02:38:31,969 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 02:38:31,969 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 02:38:31,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:38:31,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:38:31,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:38:32,073 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 02:38:32,076 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 02:38:32,077 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:32,078 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:32,078 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,079 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,079 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,079 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 02:38:32,080 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 02:38:32,080 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,083 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,084 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:32,084 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:32,084 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,085 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,085 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,085 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 02:38:32,085 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 02:38:32,085 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,087 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,087 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 [2018-11-10 02:38:32,088 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:32,088 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,088 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,088 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,088 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 02:38:32,089 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 02:38:32,089 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,097 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,097 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-11-10 02:38:32,097 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:32,098 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:32,098 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,098 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,098 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,098 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:38:32,099 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 02:38:32,099 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,100 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,101 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:32,101 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:32,101 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,101 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,102 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,102 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:38:32,103 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 02:38:32,103 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,104 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,105 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:32,105 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:32,105 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,105 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,106 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,106 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:38:32,106 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 02:38:32,106 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,115 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,115 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-11-10 02:38:32,116 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:32,116 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:32,117 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,117 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,117 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,117 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:32,119 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:38:32,119 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,120 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,120 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:32,121 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:32,121 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,121 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,121 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,121 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:32,122 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:38:32,122 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,123 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,124 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:32,124 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:32,124 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,124 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,124 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,125 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:32,127 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:38:32,127 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,137 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,138 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-11-10 02:38:32,138 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:32,140 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:32,140 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,140 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,140 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,140 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:38:32,141 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 02:38:32,141 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,142 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,143 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:32,144 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:32,144 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,144 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,144 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,144 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:38:32,147 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 02:38:32,147 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,149 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,149 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:32,149 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:32,150 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,150 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,150 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,150 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:38:32,151 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 02:38:32,151 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,163 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,163 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-11-10 02:38:32,163 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:32,164 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:32,164 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:38:32,164 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,165 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,165 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,165 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:38:32,167 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 02:38:32,168 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,169 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,169 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:32,170 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:32,170 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:38:32,170 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,170 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,170 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,170 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:38:32,172 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 02:38:32,172 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,177 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,178 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:32,178 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:32,178 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:38:32,179 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,179 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,179 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,179 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:38:32,182 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 02:38:32,182 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,202 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,202 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-11-10 02:38:32,202 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:32,203 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:32,203 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 02:38:32,203 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,203 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,203 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,203 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:32,204 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:38:32,204 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,206 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,206 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:32,207 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:32,207 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 02:38:32,207 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,207 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,208 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,208 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:32,210 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:38:32,210 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,216 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,217 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:32,217 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:32,217 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 02:38:32,218 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,218 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,218 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,218 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:32,220 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:38:32,220 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,248 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,248 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-11-10 02:38:32,249 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:32,250 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:32,250 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:38:32,250 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,250 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,250 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,250 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:38:32,252 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 02:38:32,252 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,253 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,256 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:32,257 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:32,257 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:38:32,257 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,258 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,258 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,258 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:38:32,263 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 02:38:32,263 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,264 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,265 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:32,265 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:32,266 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:38:32,267 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,267 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,267 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,267 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:38:32,269 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 02:38:32,269 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,301 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,301 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-11-10 02:38:32,301 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:32,303 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:32,303 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:38:32,303 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,304 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,304 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,304 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:32,304 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:38:32,304 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,307 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,308 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:32,308 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:32,308 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:38:32,309 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,309 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,309 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,309 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:32,309 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:38:32,310 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,314 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,315 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:32,315 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:32,315 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:38:32,315 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,315 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,315 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,316 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:32,316 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:38:32,316 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,325 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,325 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-11-10 02:38:32,326 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:32,327 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:32,327 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:38:32,327 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,327 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,327 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,327 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 02:38:32,328 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 02:38:32,328 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,331 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,332 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:32,332 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:32,332 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:38:32,333 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,333 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,333 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,333 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 02:38:32,334 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 02:38:32,334 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,340 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,341 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:32,341 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:32,342 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:38:32,342 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:32,342 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:32,342 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:32,342 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 02:38:32,343 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 02:38:32,343 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:32,354 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:32,378 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 02:38:32,378 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 02:38:32,378 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 02:38:32,379 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 02:38:32,379 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 02:38:32,379 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 02:38:32,379 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 02:38:32,379 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 02:38:32,379 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-10 02:38:32,379 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 02:38:32,379 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 02:38:32,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:38:32,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:38:32,390 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:38:32,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:38:32,469 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 02:38:32,469 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 02:38:32,476 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 02:38:32,476 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 02:38:32,482 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 02:38:32,482 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 02:38:32,503 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 02:38:32,503 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 02:38:32,539 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 02:38:32,539 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 02:38:32,565 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 02:38:32,565 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=1} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=5}, {ULTIMATE.start_main_~y~0=2}, {ULTIMATE.start_main_~y~0=-6}] Lambdas: [2, 5, 2] Nus: [0, 1] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 02:38:32,582 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 02:38:32,582 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 02:38:32,584 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 02:38:32,584 INFO L446 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_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 02:38:32,600 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 02:38:32,601 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 02:38:32,621 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 02:38:32,621 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 02:38:44,650 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-10 02:38:44,653 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 02:38:44,654 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 02:38:44,654 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 02:38:44,654 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 02:38:44,654 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 02:38:44,654 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 02:38:44,654 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 02:38:44,654 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 02:38:44,654 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-10 02:38:44,654 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 02:38:44,655 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 02:38:44,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:38:44,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:38:44,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:38:44,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:38:44,713 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 02:38:44,714 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 02:38:44,714 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:44,714 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:44,715 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:44,715 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:44,715 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 02:38:44,716 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 02:38:44,716 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 02:38:44,720 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:44,720 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:44,721 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:44,721 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:44,721 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:44,721 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:44,721 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 02:38:44,721 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 02:38:44,721 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:44,722 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:44,722 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:44,723 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:44,723 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:44,723 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:44,723 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 02:38:44,724 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 02:38:44,724 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 02:38:44,731 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:44,731 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:44,732 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:44,732 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:44,732 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:44,732 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:44,732 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 02:38:44,733 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 02:38:44,733 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:44,733 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:44,733 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-11-10 02:38:44,734 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:44,734 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:44,734 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:44,735 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:44,735 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:38:44,736 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 02:38:44,736 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 02:38:44,750 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:44,751 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:44,751 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:44,753 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:44,753 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:44,753 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:44,753 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:38:44,753 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 02:38:44,754 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:44,754 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:44,754 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:44,755 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:44,755 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:44,755 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:44,755 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:38:44,756 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 02:38:44,757 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 02:38:44,765 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:44,765 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:44,765 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:44,766 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:44,767 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:44,767 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:44,767 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:38:44,768 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 02:38:44,768 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:44,768 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:44,769 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-11-10 02:38:44,769 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:44,769 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:44,770 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:44,770 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:44,770 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:44,771 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 02:38:44,771 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 02:38:44,793 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:44,794 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:44,794 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:44,794 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:44,795 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:44,795 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:44,795 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:44,795 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:38:44,795 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:44,796 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:44,796 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:44,796 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:44,797 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:44,797 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:44,797 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:44,798 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 02:38:44,799 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 02:38:44,808 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:44,808 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:44,809 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:44,809 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:44,809 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:44,809 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:44,809 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:44,812 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:38:44,812 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:44,813 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:44,813 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-11-10 02:38:44,813 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:44,814 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:44,814 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:44,814 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:44,814 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:38:44,816 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 02:38:44,816 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 02:38:44,847 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:44,847 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:44,848 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:44,848 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:44,848 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:44,848 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:44,848 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:38:44,849 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 02:38:44,849 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:44,849 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:44,850 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:44,850 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:44,850 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:44,850 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:44,851 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:38:44,852 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 02:38:44,853 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 02:38:44,864 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:44,864 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 [2018-11-10 02:38:44,865 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:44,865 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:44,865 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:44,865 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:44,865 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:38:44,866 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 02:38:44,866 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:44,868 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:44,869 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-11-10 02:38:44,869 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:44,869 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:44,869 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:38:44,870 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:44,870 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:44,870 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:38:44,872 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 02:38:44,872 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 02:38:44,944 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:44,945 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:44,945 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:44,945 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:38:44,945 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:44,945 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:44,946 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:44,946 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:38:44,946 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 02:38:44,946 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:44,947 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:44,947 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:44,947 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:44,948 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:38:44,948 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:44,948 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:44,948 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:38:44,949 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 02:38:44,950 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 02:38:44,963 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:44,964 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:44,964 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:44,964 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:38:44,964 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:44,965 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:44,965 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:44,965 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:38:44,965 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 02:38:44,965 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:44,966 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:44,966 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-11-10 02:38:44,966 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:44,967 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:44,967 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 02:38:44,967 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:44,967 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:44,967 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:44,970 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 02:38:44,970 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 02:38:45,253 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:45,253 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:45,253 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:45,254 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 02:38:45,254 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:45,254 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:45,254 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:45,254 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:45,254 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:38:45,255 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:45,255 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:45,256 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:45,256 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:45,256 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 02:38:45,256 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:45,256 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:45,257 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:45,258 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 02:38:45,258 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 02:38:45,277 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:45,277 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:45,279 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:45,280 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 02:38:45,280 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:45,280 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:45,280 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:45,280 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:45,281 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:38:45,281 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:45,282 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:45,282 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-11-10 02:38:45,282 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:45,282 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:45,283 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:38:45,283 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:45,283 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:45,283 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:38:45,287 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 02:38:45,287 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 02:38:46,430 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:46,430 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:46,431 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:46,431 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:38:46,431 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:46,431 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:46,431 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:46,432 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:38:46,432 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 02:38:46,432 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:46,433 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:46,433 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:46,434 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:46,434 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:38:46,434 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:46,434 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:46,434 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:38:46,436 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 02:38:46,437 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 02:38:46,464 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:46,464 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:46,465 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:46,465 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:38:46,465 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:46,465 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:46,465 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:46,465 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:38:46,466 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 02:38:46,466 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:46,467 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:46,467 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-11-10 02:38:46,467 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:46,468 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:46,468 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:38:46,468 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:46,468 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:46,468 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:46,469 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 02:38:46,470 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 02:38:46,491 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:46,491 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:46,491 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:46,491 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:38:46,492 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:46,492 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:46,492 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:46,492 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:46,492 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:38:46,492 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:46,493 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:46,493 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:46,494 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:46,494 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:38:46,494 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:46,494 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:46,494 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:46,495 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 02:38:46,495 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 02:38:46,505 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:46,506 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:46,506 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:46,506 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:38:46,506 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:46,507 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:46,507 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:46,507 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:46,507 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:38:46,507 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:46,508 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:46,508 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-11-10 02:38:46,509 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:46,509 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:46,509 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:38:46,509 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:46,509 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:46,509 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 02:38:46,512 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-10 02:38:46,512 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-10 02:38:46,736 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:46,737 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:46,737 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:46,737 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:38:46,737 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:46,738 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:46,738 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:46,738 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 02:38:46,738 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 02:38:46,738 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:46,740 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:46,740 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:46,741 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:46,741 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:38:46,741 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:46,741 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:46,741 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 02:38:46,743 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-10 02:38:46,743 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-10 02:38:46,768 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:46,768 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:46,768 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:46,769 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:38:46,769 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:46,769 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:46,769 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:46,769 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 02:38:46,769 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 02:38:46,770 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:46,771 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:46,772 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-10 02:38:46,772 INFO L793 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := main_#t~post0 + 1;havoc main_#t~post0;main_~y~0 := main_~y~0 * 2; 9#L11-3true [2018-11-10 02:38:46,772 INFO L795 eck$LassoCheckResult]: Loop: 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := main_#t~post0 + 1;havoc main_#t~post0;main_~y~0 := main_~y~0 * 2; 9#L11-3true [2018-11-10 02:38:46,773 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:38:46,773 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 2 times [2018-11-10 02:38:46,773 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 02:38:46,773 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 02:38:46,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:38:46,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 02:38:46,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:38:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:38:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:38:46,780 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:38:46,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 2 times [2018-11-10 02:38:46,780 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 02:38:46,780 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 02:38:46,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:38:46,781 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 02:38:46,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:38:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:38:46,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:38:46,784 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 02:38:46,784 INFO L82 PathProgramCache]: Analyzing trace with hash 889541199, now seen corresponding path program 3 times [2018-11-10 02:38:46,785 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 02:38:46,785 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 02:38:46,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:38:46,785 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 02:38:46,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 02:38:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:38:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 02:38:46,839 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 02:38:46,839 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 02:38:46,839 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 02:38:46,839 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 02:38:46,839 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 02:38:46,839 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 02:38:46,839 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 02:38:46,839 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 02:38:46,839 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-10 02:38:46,839 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 02:38:46,840 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 02:38:46,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:38:46,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:38:46,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:38:46,899 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 02:38:46,899 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 02:38:46,910 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 02:38:46,911 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 02:38:46,926 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 02:38:46,926 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 02:38:46,955 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 02:38:46,955 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 02:38:46,957 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 02:38:46,958 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 02:38:46,994 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 02:38:46,994 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 02:38:47,024 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 02:38:47,024 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 02:38:59,056 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-10 02:38:59,059 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 02:38:59,059 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 02:38:59,059 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 02:38:59,059 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 02:38:59,059 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 02:38:59,059 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 02:38:59,060 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 02:38:59,060 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 02:38:59,060 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-10 02:38:59,060 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 02:38:59,060 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 02:38:59,060 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:38:59,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:38:59,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:38:59,101 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 02:38:59,101 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 02:38:59,101 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:59,102 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:59,102 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,102 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,102 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,102 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 02:38:59,102 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 02:38:59,102 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,103 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,107 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:59,108 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:59,108 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,108 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,108 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,108 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 02:38:59,109 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 02:38:59,109 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,109 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,109 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:59,110 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:59,110 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,110 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,110 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,110 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 02:38:59,110 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 02:38:59,110 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,112 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,112 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-11-10 02:38:59,112 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 [2018-11-10 02:38:59,112 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:59,112 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,113 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,113 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,113 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:38:59,113 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 02:38:59,113 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,113 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,122 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 [2018-11-10 02:38:59,122 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:59,122 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,123 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,123 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,123 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:38:59,123 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 02:38:59,123 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,124 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,124 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:59,124 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:59,125 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,125 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,125 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,125 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:38:59,125 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 02:38:59,125 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,127 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,127 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-11-10 02:38:59,128 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:59,128 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:59,128 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,128 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,128 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,128 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:59,129 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:38:59,129 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,129 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,129 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:59,130 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:59,136 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,136 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,136 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,136 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:59,137 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:38:59,137 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,137 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,138 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:59,138 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:59,138 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,138 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,138 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,139 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:59,139 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:38:59,139 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,141 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,141 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-11-10 02:38:59,141 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:59,146 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:59,146 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,146 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,146 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,146 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:38:59,147 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 02:38:59,147 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,147 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,148 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:59,148 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:59,148 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,148 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,148 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,148 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:38:59,149 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 02:38:59,149 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,149 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,149 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:59,150 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:38:59,150 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,150 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,150 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,150 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:38:59,151 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 02:38:59,151 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,153 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,153 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-11-10 02:38:59,154 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:59,154 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:59,154 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:38:59,154 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,154 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,154 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,154 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:38:59,155 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 02:38:59,155 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,155 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,156 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:59,156 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:59,156 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:38:59,156 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,156 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,156 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,157 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:38:59,157 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 02:38:59,157 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,158 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,158 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:59,159 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:59,159 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:38:59,159 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,159 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,159 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,159 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:38:59,160 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 02:38:59,160 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,165 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,165 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-11-10 02:38:59,166 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:59,166 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:59,166 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 02:38:59,166 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,167 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,167 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,167 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:59,167 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:38:59,167 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,168 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,169 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:59,169 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:59,169 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 02:38:59,169 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,169 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,169 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,169 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:59,171 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:38:59,171 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,173 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,173 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:59,173 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:59,173 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 02:38:59,173 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,174 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,174 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,174 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:59,175 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:38:59,175 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,181 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,182 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-11-10 02:38:59,182 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:59,182 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:59,182 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:38:59,183 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,183 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,183 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,183 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:38:59,184 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 02:38:59,184 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,184 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,185 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:59,185 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:59,185 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:38:59,185 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,185 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,185 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,185 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:38:59,188 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 02:38:59,188 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,189 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,190 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:59,190 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:59,190 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:38:59,190 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,190 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,190 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,190 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:38:59,192 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 02:38:59,192 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,205 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,205 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-11-10 02:38:59,205 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:59,206 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:59,206 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:38:59,206 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,206 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,206 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,206 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:59,206 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:38:59,207 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,208 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,208 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:59,208 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:59,208 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:38:59,209 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,209 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,209 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,209 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:59,209 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:38:59,209 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,211 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,212 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:59,212 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:59,212 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:38:59,212 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,212 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,213 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,213 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:38:59,213 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:38:59,213 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,216 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,216 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-11-10 02:38:59,217 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:59,217 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:59,217 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:38:59,217 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,217 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,217 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,218 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 02:38:59,218 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 02:38:59,218 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,220 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,220 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:38:59,221 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:59,221 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:38:59,221 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,221 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,221 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,221 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 02:38:59,222 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 02:38:59,222 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,228 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,228 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 [2018-11-10 02:38:59,228 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:38:59,228 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:38:59,229 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:38:59,229 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:38:59,229 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:38:59,229 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 02:38:59,230 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 02:38:59,230 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:38:59,236 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:38:59,275 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 02:38:59,275 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 02:38:59,275 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 02:38:59,275 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 02:38:59,275 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 02:38:59,275 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 02:38:59,276 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 02:38:59,276 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 02:38:59,276 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-10 02:38:59,276 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 02:38:59,276 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 02:38:59,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:38:59,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:38:59,285 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:38:59,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:38:59,343 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 02:38:59,344 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 02:38:59,346 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 02:38:59,347 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6b0c7c95-a4d0-4576-8c43-43afc37db278/bin-2019/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 02:38:59,368 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 02:38:59,369 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 02:39:11,400 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-10 02:39:11,403 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 02:39:11,403 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 02:39:11,403 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 02:39:11,403 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 02:39:11,403 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 02:39:11,403 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 02:39:11,403 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 02:39:11,403 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 02:39:11,403 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-10 02:39:11,403 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 02:39:11,403 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 02:39:11,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:39:11,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:39:11,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:39:11,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 02:39:11,493 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 02:39:11,493 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 02:39:11,494 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:11,494 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:39:11,494 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,494 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,495 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 02:39:11,495 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 02:39:11,495 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 02:39:11,498 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:11,498 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:11,498 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:39:11,499 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:39:11,499 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,499 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,499 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 02:39:11,499 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 02:39:11,499 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:39:11,499 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:11,499 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:11,499 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:39:11,500 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,500 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,500 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 02:39:11,500 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 02:39:11,500 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 02:39:11,502 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:11,502 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:11,502 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:39:11,503 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:39:11,503 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,503 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,503 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 02:39:11,503 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 02:39:11,503 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:39:11,503 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:11,503 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-11-10 02:39:11,503 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:11,504 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:39:11,504 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,504 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,504 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:39:11,505 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 02:39:11,505 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 02:39:11,510 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:11,510 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:11,510 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:39:11,510 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:39:11,511 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,511 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,511 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:39:11,511 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 02:39:11,511 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:39:11,512 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:11,512 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:11,512 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:39:11,512 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,512 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,512 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:39:11,513 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 02:39:11,513 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 02:39:11,519 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:11,520 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:11,520 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:39:11,520 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:39:11,520 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,521 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,521 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:39:11,521 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 02:39:11,521 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:39:11,521 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:11,521 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-11-10 02:39:11,522 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:11,522 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:39:11,522 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,522 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,522 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:39:11,523 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 02:39:11,523 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 02:39:11,529 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:11,529 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:11,529 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:39:11,529 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:39:11,529 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,530 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,530 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:39:11,530 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:39:11,530 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:39:11,530 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:11,531 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:11,531 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:39:11,531 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,531 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,531 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:39:11,532 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 02:39:11,532 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 02:39:11,544 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:11,544 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:11,545 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:39:11,545 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:39:11,545 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,545 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,545 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:39:11,545 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:39:11,545 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:39:11,546 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:11,546 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-11-10 02:39:11,546 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:11,546 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:39:11,547 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,547 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,547 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:39:11,548 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 02:39:11,548 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 02:39:11,555 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:11,555 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:11,556 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:39:11,556 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:39:11,556 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,556 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,556 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:39:11,556 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 02:39:11,557 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:39:11,557 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:11,557 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:11,557 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:39:11,558 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,558 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,558 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:39:11,559 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 02:39:11,559 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 02:39:11,577 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:11,577 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:11,578 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 02:39:11,578 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:39:11,578 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,578 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,578 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:39:11,578 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 02:39:11,578 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:39:11,579 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:11,579 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-11-10 02:39:11,579 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:11,579 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:39:11,580 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:39:11,580 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,580 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,580 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:39:11,581 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 02:39:11,581 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 02:39:11,594 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:11,595 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:11,595 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:39:11,595 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:39:11,595 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:39:11,596 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,596 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,596 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:39:11,596 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 02:39:11,596 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:39:11,597 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:11,597 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:11,597 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:39:11,597 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:39:11,597 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,597 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,598 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:39:11,599 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 02:39:11,599 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 02:39:11,629 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:11,629 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:11,630 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:39:11,630 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:39:11,630 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:39:11,630 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,630 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,630 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 02:39:11,631 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 02:39:11,631 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:39:11,631 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:11,631 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-11-10 02:39:11,631 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:11,632 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:39:11,632 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 02:39:11,632 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,632 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,632 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:39:11,633 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 02:39:11,634 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 02:39:11,651 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:11,652 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 [2018-11-10 02:39:11,652 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:39:11,652 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 02:39:11,652 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:39:11,652 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,652 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,652 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:39:11,653 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:39:11,653 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:39:11,654 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:11,654 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:11,654 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:39:11,655 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 02:39:11,655 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,655 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,655 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:39:11,657 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 02:39:11,657 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 02:39:11,821 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:11,821 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:11,821 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:39:11,822 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 02:39:11,822 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:39:11,822 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,822 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,822 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:39:11,822 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:39:11,822 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:39:11,823 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:11,823 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-11-10 02:39:11,824 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:11,824 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:39:11,824 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:39:11,824 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,824 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,824 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:39:11,826 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 02:39:11,826 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 02:39:11,902 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:11,903 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:11,903 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:39:11,903 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:39:11,903 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:39:11,904 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,904 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,904 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:39:11,904 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 02:39:11,905 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:39:11,905 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:11,905 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:11,906 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:39:11,906 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:39:11,906 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:11,906 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:11,906 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:39:11,910 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 02:39:11,910 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 02:39:12,345 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:12,346 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:12,349 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:39:12,349 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:39:12,349 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:39:12,349 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:12,349 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:12,349 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 02:39:12,350 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 02:39:12,350 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:39:12,351 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:12,351 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-11-10 02:39:12,351 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:12,351 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:39:12,351 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:39:12,351 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:12,352 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:12,352 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:39:12,353 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 02:39:12,353 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 02:39:12,366 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:12,367 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 [2018-11-10 02:39:12,367 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:39:12,367 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:39:12,367 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:39:12,367 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:12,367 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:12,368 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:39:12,368 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:39:12,368 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:39:12,369 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:12,369 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:12,370 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:39:12,370 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:39:12,370 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:12,370 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:12,370 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:39:12,371 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 02:39:12,371 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 02:39:12,386 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:12,387 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:12,387 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:39:12,387 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 02:39:12,387 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:39:12,387 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:12,387 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:12,387 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 02:39:12,388 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 02:39:12,388 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:39:12,389 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:12,389 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-11-10 02:39:12,389 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:12,389 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:39:12,390 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:39:12,390 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:12,390 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:12,390 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 02:39:12,392 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-10 02:39:12,392 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-10 02:39:12,423 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:12,423 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:12,423 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:39:12,424 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:39:12,424 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:39:12,424 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:12,424 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:12,424 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 02:39:12,424 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 02:39:12,424 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:39:12,426 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:12,426 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:12,427 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:39:12,427 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:39:12,427 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:12,427 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:12,427 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 02:39:12,429 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-10 02:39:12,429 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-10 02:39:12,604 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:12,604 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 02:39:12,604 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 02:39:12,605 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 02:39:12,605 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 02:39:12,605 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 02:39:12,605 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 02:39:12,605 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 02:39:12,605 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 02:39:12,605 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 02:39:12,606 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 02:39:12,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 02:39:12 BoogieIcfgContainer [2018-11-10 02:39:12,612 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 02:39:12,612 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 02:39:12,612 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 02:39:12,612 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 02:39:12,612 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 02:38:25" (3/4) ... [2018-11-10 02:39:12,615 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 02:39:12,615 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 02:39:12,616 INFO L168 Benchmark]: Toolchain (without parser) took 47407.80 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 432.0 MB). Free memory was 960.2 MB in the beginning and 1.4 GB in the end (delta: -450.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:39:12,617 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:39:12,617 INFO L168 Benchmark]: CACSL2BoogieTranslator took 136.98 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 02:39:12,618 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.32 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:39:12,618 INFO L168 Benchmark]: Boogie Preprocessor took 12.62 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 02:39:12,618 INFO L168 Benchmark]: RCFGBuilder took 148.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -189.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. [2018-11-10 02:39:12,619 INFO L168 Benchmark]: BuchiAutomizer took 47083.46 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 286.3 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -274.8 MB). Peak memory consumption was 591.9 MB. Max. memory is 11.5 GB. [2018-11-10 02:39:12,619 INFO L168 Benchmark]: Witness Printer took 3.47 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 02:39:12,622 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 136.98 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 948.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.32 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.62 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 148.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -189.8 MB). Peak memory consumption was 19.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 47083.46 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 286.3 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -274.8 MB). Peak memory consumption was 591.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.47 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 47.0s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 47.0s. 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: inital20 mio100 ax100 hnf100 lsp65 ukn100 mio100 lsp100 div401 bol100 ite100 ukn100 eq146 hnf49 smp92 dnf100 smp100 tf103 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 33ms VariablesStem: 1 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 24.1s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1;" "assume true;" "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := main_#t~post0 + 1;havoc main_#t~post0;main_~y~0 := main_~y~0 * 2;" Loop: "assume true;" "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := main_#t~post0 + 1;havoc main_#t~post0;main_~y~0 := main_~y~0 * 2;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...