./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call2_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7d36b0c7-7245-45f5-85a5-b5efbea2727c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7d36b0c7-7245-45f5-85a5-b5efbea2727c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7d36b0c7-7245-45f5-85a5-b5efbea2727c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7d36b0c7-7245-45f5-85a5-b5efbea2727c/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call2_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_7d36b0c7-7245-45f5-85a5-b5efbea2727c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7d36b0c7-7245-45f5-85a5-b5efbea2727c/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 2797de73b923a7fbf0f091cb97be1331c2699e2c ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:04:46,988 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:04:46,989 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:04:46,998 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:04:46,998 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:04:46,999 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:04:47,000 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:04:47,001 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:04:47,002 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:04:47,003 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:04:47,003 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:04:47,003 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:04:47,004 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:04:47,005 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:04:47,006 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:04:47,006 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:04:47,007 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:04:47,008 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:04:47,010 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:04:47,011 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:04:47,012 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:04:47,013 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:04:47,014 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:04:47,015 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:04:47,015 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:04:47,015 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:04:47,016 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:04:47,017 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:04:47,017 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:04:47,018 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:04:47,018 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:04:47,019 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:04:47,019 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:04:47,019 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:04:47,020 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:04:47,020 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:04:47,020 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7d36b0c7-7245-45f5-85a5-b5efbea2727c/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-22 23:04:47,031 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:04:47,031 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:04:47,032 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 23:04:47,032 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 23:04:47,032 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 23:04:47,032 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-22 23:04:47,033 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-22 23:04:47,033 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-22 23:04:47,033 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-22 23:04:47,033 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-22 23:04:47,033 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-22 23:04:47,033 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:04:47,033 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:04:47,033 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-22 23:04:47,034 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:04:47,034 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:04:47,034 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:04:47,034 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-22 23:04:47,034 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-22 23:04:47,034 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-22 23:04:47,034 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:04:47,034 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:04:47,035 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-22 23:04:47,035 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:04:47,035 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-22 23:04:47,035 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:04:47,035 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:04:47,035 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-22 23:04:47,035 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:04:47,035 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 23:04:47,035 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-22 23:04:47,036 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-22 23:04:47,036 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_7d36b0c7-7245-45f5-85a5-b5efbea2727c/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 -> 2797de73b923a7fbf0f091cb97be1331c2699e2c [2018-11-22 23:04:47,061 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:04:47,069 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:04:47,071 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:04:47,072 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:04:47,072 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:04:47,073 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7d36b0c7-7245-45f5-85a5-b5efbea2727c/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call2_true-termination.i [2018-11-22 23:04:47,110 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7d36b0c7-7245-45f5-85a5-b5efbea2727c/bin-2019/uautomizer/data/368065ab9/e60344b184e14fd08e7df88968a55688/FLAGe3149126a [2018-11-22 23:04:47,515 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:04:47,515 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7d36b0c7-7245-45f5-85a5-b5efbea2727c/sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call2_true-termination.i [2018-11-22 23:04:47,520 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7d36b0c7-7245-45f5-85a5-b5efbea2727c/bin-2019/uautomizer/data/368065ab9/e60344b184e14fd08e7df88968a55688/FLAGe3149126a [2018-11-22 23:04:47,529 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7d36b0c7-7245-45f5-85a5-b5efbea2727c/bin-2019/uautomizer/data/368065ab9/e60344b184e14fd08e7df88968a55688 [2018-11-22 23:04:47,532 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:04:47,533 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:04:47,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:04:47,534 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:04:47,536 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:04:47,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:04:47" (1/1) ... [2018-11-22 23:04:47,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c8d80d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:47, skipping insertion in model container [2018-11-22 23:04:47,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:04:47" (1/1) ... [2018-11-22 23:04:47,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:04:47,557 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:04:47,665 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:04:47,667 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:04:47,676 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:04:47,684 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:04:47,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:47 WrapperNode [2018-11-22 23:04:47,685 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:04:47,685 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:04:47,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:04:47,685 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:04:47,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:47" (1/1) ... [2018-11-22 23:04:47,694 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:47" (1/1) ... [2018-11-22 23:04:47,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:04:47,705 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:04:47,705 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:04:47,705 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:04:47,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:47" (1/1) ... [2018-11-22 23:04:47,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:47" (1/1) ... [2018-11-22 23:04:47,711 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:47" (1/1) ... [2018-11-22 23:04:47,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:47" (1/1) ... [2018-11-22 23:04:47,713 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:47" (1/1) ... [2018-11-22 23:04:47,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:47" (1/1) ... [2018-11-22 23:04:47,717 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:47" (1/1) ... [2018-11-22 23:04:47,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:04:47,718 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:04:47,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:04:47,718 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:04:47,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7d36b0c7-7245-45f5-85a5-b5efbea2727c/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 [2018-11-22 23:04:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:04:47,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:04:47,893 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:04:47,893 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-22 23:04:47,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:04:47 BoogieIcfgContainer [2018-11-22 23:04:47,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:04:47,894 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-22 23:04:47,894 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-22 23:04:47,898 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-22 23:04:47,898 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 23:04:47,899 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 11:04:47" (1/3) ... [2018-11-22 23:04:47,899 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@12d4ccc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 11:04:47, skipping insertion in model container [2018-11-22 23:04:47,900 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 23:04:47,900 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:04:47" (2/3) ... [2018-11-22 23:04:47,900 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@12d4ccc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 11:04:47, skipping insertion in model container [2018-11-22 23:04:47,900 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 23:04:47,900 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:04:47" (3/3) ... [2018-11-22 23:04:47,902 INFO L375 chiAutomizerObserver]: Analyzing ICFG underapprox_true-unreach-call2_true-termination.i [2018-11-22 23:04:47,952 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 23:04:47,953 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-22 23:04:47,953 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-22 23:04:47,953 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-22 23:04:47,953 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:04:47,953 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:04:47,953 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-22 23:04:47,954 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:04:47,954 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-22 23:04:47,963 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-22 23:04:47,978 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-22 23:04:47,978 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 23:04:47,978 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 23:04:47,982 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-22 23:04:47,982 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-22 23:04:47,982 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-22 23:04:47,982 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-22 23:04:47,982 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-22 23:04:47,982 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 23:04:47,983 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 23:04:47,983 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-22 23:04:47,983 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-22 23:04:47,988 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-2true [2018-11-22 23:04:47,988 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 9#L11-2true [2018-11-22 23:04:47,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:04:47,992 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-22 23:04:47,993 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:04:47,993 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:04:48,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:04:48,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:04:48,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:04:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:04:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:04:48,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:04:48,062 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-11-22 23:04:48,063 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:04:48,063 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:04:48,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:04:48,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:04:48,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:04:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:04:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:04:48,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:04:48,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-11-22 23:04:48,073 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:04:48,073 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:04:48,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:04:48,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:04:48,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:04:48,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:04:48,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:04:48,127 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:04:48,128 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:04:48,128 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:04:48,128 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:04:48,128 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-22 23:04:48,129 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:04:48,129 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:04:48,129 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:04:48,129 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-22 23:04:48,129 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:04:48,129 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:04:48,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:04:48,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:04:48,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:04:48,267 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:04:48,267 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7d36b0c7-7245-45f5-85a5-b5efbea2727c/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 [2018-11-22 23:04:48,275 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:04:48,275 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:04:48,282 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-22 23:04:48,283 INFO L448 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_7d36b0c7-7245-45f5-85a5-b5efbea2727c/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 [2018-11-22 23:04:48,300 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:04:48,300 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:04:48,302 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-22 23:04:48,302 INFO L448 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_7d36b0c7-7245-45f5-85a5-b5efbea2727c/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 [2018-11-22 23:04:48,317 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:04:48,317 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7d36b0c7-7245-45f5-85a5-b5efbea2727c/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 [2018-11-22 23:04:48,334 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-22 23:04:48,334 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:05:06,197 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-22 23:05:06,201 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:05:06,201 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:05:06,201 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:05:06,201 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:05:06,201 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-22 23:05:06,202 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:05:06,202 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:05:06,202 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:05:06,202 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-22 23:05:06,202 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:05:06,202 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:05:06,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:05:06,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:05:06,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:05:06,285 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:05:06,289 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-22 23:05:06,290 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 [2018-11-22 23:05:06,291 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:06,291 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,292 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,292 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,292 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:05:06,294 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:05:06,294 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,296 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,297 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 [2018-11-22 23:05:06,297 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:06,297 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,297 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,298 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,298 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:05:06,298 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:05:06,298 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,300 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,301 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 [2018-11-22 23:05:06,301 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:06,301 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,301 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,302 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,305 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:05:06,306 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:05:06,306 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,312 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,313 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-22 23:05:06,313 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 [2018-11-22 23:05:06,314 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:06,314 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,315 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,315 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,315 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:06,315 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:05:06,315 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,317 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,317 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:05:06,317 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:06,317 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,318 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,318 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,318 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:06,319 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:05:06,319 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,320 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,320 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:05:06,321 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:06,321 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,321 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,321 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,321 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:06,322 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:05:06,323 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,331 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,331 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-22 23:05:06,332 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 [2018-11-22 23:05:06,332 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:06,333 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,333 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,333 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,333 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:06,334 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:06,334 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,335 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,335 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 [2018-11-22 23:05:06,335 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:06,335 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,336 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,336 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,336 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:06,336 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:06,337 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,338 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,338 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 [2018-11-22 23:05:06,339 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:06,339 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,339 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,339 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,339 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:06,341 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:06,341 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,349 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,349 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-22 23:05:06,350 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 [2018-11-22 23:05:06,350 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:06,350 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,351 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,351 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,351 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:06,351 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:05:06,352 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,353 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,353 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 [2018-11-22 23:05:06,353 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:06,354 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,354 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,354 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,354 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:06,355 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:05:06,355 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,356 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,356 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 [2018-11-22 23:05:06,357 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:06,357 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,357 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,357 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,357 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:06,359 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:05:06,359 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,370 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,370 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-22 23:05:06,371 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 [2018-11-22 23:05:06,371 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:06,371 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:06,372 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,372 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,372 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,372 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:06,373 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:05:06,373 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,374 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,374 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 [2018-11-22 23:05:06,375 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:06,375 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:06,375 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,375 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,375 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,375 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:06,377 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:05:06,377 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,380 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,381 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:05:06,381 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:06,381 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:06,382 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,382 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,382 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,382 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:06,383 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:05:06,384 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,405 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,405 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-22 23:05:06,405 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:05:06,406 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:06,406 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:05:06,407 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,407 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,407 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,407 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:06,408 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:06,409 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,411 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,411 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:05:06,412 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:06,412 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:05:06,412 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,412 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,413 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,413 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:06,416 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:06,416 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,421 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,421 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 [2018-11-22 23:05:06,422 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:06,422 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:05:06,422 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,423 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,423 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,423 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:06,425 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:06,425 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,454 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,454 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-22 23:05:06,454 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 [2018-11-22 23:05:06,455 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:06,455 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:06,455 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,455 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,455 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,456 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:06,457 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:05:06,457 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,459 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,459 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 [2018-11-22 23:05:06,460 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:06,460 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:06,460 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,460 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,460 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,460 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:06,465 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:05:06,465 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,467 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,467 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 [2018-11-22 23:05:06,468 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:06,468 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:06,468 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,469 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,469 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,469 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:06,471 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:05:06,471 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,502 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,503 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-22 23:05:06,503 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 [2018-11-22 23:05:06,504 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:06,504 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:06,504 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,504 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,504 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,504 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:06,505 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:06,505 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,508 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,508 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 [2018-11-22 23:05:06,508 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:06,509 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:06,509 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,509 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,509 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,509 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:06,510 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:06,510 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,514 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,514 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 [2018-11-22 23:05:06,515 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:06,515 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:06,515 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,515 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,515 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,515 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:06,516 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:06,516 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,523 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,524 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-22 23:05:06,524 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 [2018-11-22 23:05:06,524 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:06,525 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:06,525 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,525 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,525 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,525 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:05:06,526 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:05:06,526 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,529 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,530 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 [2018-11-22 23:05:06,530 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:06,530 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:06,530 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,531 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,531 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,531 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:05:06,532 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:05:06,532 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,541 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,541 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 [2018-11-22 23:05:06,542 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:06,542 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:06,542 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:06,542 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:06,543 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:06,543 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:05:06,544 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:05:06,544 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:06,554 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:06,592 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:05:06,593 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:05:06,593 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:05:06,593 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:05:06,593 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-22 23:05:06,593 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:05:06,593 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:05:06,593 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:05:06,593 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-22 23:05:06,593 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:05:06,593 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:05:06,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:05:06,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:05:06,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:05:06,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:05:06,674 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:05:06,674 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7d36b0c7-7245-45f5-85a5-b5efbea2727c/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 [2018-11-22 23:05:06,676 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:05:06,677 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:05:06,679 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-22 23:05:06,680 INFO L448 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_7d36b0c7-7245-45f5-85a5-b5efbea2727c/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 [2018-11-22 23:05:06,695 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:05:06,695 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7d36b0c7-7245-45f5-85a5-b5efbea2727c/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 [2018-11-22 23:05:06,716 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-22 23:05:06,716 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:05:06,738 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-22 23:05:06,738 INFO L448 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=4}, {ULTIMATE.start_main_~y~0=5}, {ULTIMATE.start_main_~y~0=-8}] Lambdas: [2, 2, 2] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7d36b0c7-7245-45f5-85a5-b5efbea2727c/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 [2018-11-22 23:05:06,754 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:05:06,754 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:05:06,756 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-22 23:05:06,757 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7d36b0c7-7245-45f5-85a5-b5efbea2727c/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 [2018-11-22 23:05:06,776 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:05:06,776 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7d36b0c7-7245-45f5-85a5-b5efbea2727c/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 [2018-11-22 23:05:06,793 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-22 23:05:06,793 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:05:21,268 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-22 23:05:21,273 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:05:21,274 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:05:21,274 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:05:21,274 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:05:21,274 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-22 23:05:21,274 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:05:21,274 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:05:21,274 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:05:21,274 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-22 23:05:21,274 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:05:21,274 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:05:21,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:05:21,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:05:21,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:05:21,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:05:21,366 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:05:21,366 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-22 23:05:21,366 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 [2018-11-22 23:05:21,367 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:21,367 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:21,367 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:21,367 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:05:21,368 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:05:21,368 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 23:05:21,373 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:21,374 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 [2018-11-22 23:05:21,374 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:21,374 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:21,375 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:21,375 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:21,375 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:05:21,375 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:05:21,375 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:21,375 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:21,376 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 [2018-11-22 23:05:21,376 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:21,376 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:21,376 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:21,376 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:05:21,377 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:05:21,377 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 23:05:21,383 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:21,383 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 [2018-11-22 23:05:21,383 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:21,383 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:21,384 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:21,384 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:21,384 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:05:21,384 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:05:21,384 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:21,385 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:21,385 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-22 23:05:21,386 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 [2018-11-22 23:05:21,386 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:21,386 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:21,386 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:21,386 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:21,388 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-22 23:05:21,388 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-22 23:05:21,401 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:21,402 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 [2018-11-22 23:05:21,402 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:21,402 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:21,402 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:21,403 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:21,403 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:21,403 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:05:21,403 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:21,404 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:21,404 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 [2018-11-22 23:05:21,404 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:21,405 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:21,405 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:21,405 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:21,406 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-22 23:05:21,406 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-22 23:05:21,414 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:21,414 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 [2018-11-22 23:05:21,414 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:21,414 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:21,415 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:21,415 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:21,415 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:21,415 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:05:21,415 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:21,416 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:21,416 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-22 23:05:21,416 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 [2018-11-22 23:05:21,417 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:21,417 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:21,417 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:21,417 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:21,419 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:05:21,419 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:05:21,436 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:21,436 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 [2018-11-22 23:05:21,437 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:21,437 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:21,437 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:21,437 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:21,437 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:21,438 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:21,438 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:21,438 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:21,438 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 [2018-11-22 23:05:21,439 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:21,439 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:21,439 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:21,439 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:21,441 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:05:21,441 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:05:21,449 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:21,450 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 [2018-11-22 23:05:21,450 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:21,450 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:21,450 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:21,451 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:21,451 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:21,451 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:21,451 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:21,452 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:21,452 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-22 23:05:21,452 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 [2018-11-22 23:05:21,452 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:21,453 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:21,453 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:21,453 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:21,455 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-22 23:05:21,455 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-22 23:05:21,484 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:21,484 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 [2018-11-22 23:05:21,485 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:21,485 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:21,485 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:21,485 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:21,485 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:21,486 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:05:21,486 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:21,486 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:21,487 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 [2018-11-22 23:05:21,487 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:21,487 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:21,487 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:21,488 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:21,489 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-22 23:05:21,490 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-22 23:05:21,500 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:21,500 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 [2018-11-22 23:05:21,500 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:21,500 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:21,501 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:21,501 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:21,501 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:21,501 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:05:21,501 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:21,502 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:21,502 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-22 23:05:21,502 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 [2018-11-22 23:05:21,503 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:21,503 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:21,503 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:21,503 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:21,503 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:21,505 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-22 23:05:21,505 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-22 23:05:21,570 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:21,570 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 [2018-11-22 23:05:21,571 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:21,571 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:21,571 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:21,571 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:21,571 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:21,571 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:21,572 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:05:21,572 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:21,572 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:21,573 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 [2018-11-22 23:05:21,573 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:21,573 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:21,573 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:21,574 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:21,574 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:21,575 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-22 23:05:21,575 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-22 23:05:21,588 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:21,588 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 [2018-11-22 23:05:21,588 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:21,588 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:21,589 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:21,589 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:21,589 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:21,589 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:21,589 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:05:21,589 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:21,590 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:21,590 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-22 23:05:21,590 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 [2018-11-22 23:05:21,591 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:21,591 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:05:21,591 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:21,591 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:21,591 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:21,593 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:05:21,594 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:05:21,852 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:21,852 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 [2018-11-22 23:05:21,853 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:21,853 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:05:21,853 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:21,853 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:21,853 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:21,853 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:21,854 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:21,854 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:21,854 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:21,855 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 [2018-11-22 23:05:21,855 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:21,855 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:05:21,855 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:21,855 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:21,855 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:21,857 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:05:21,857 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:05:21,870 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:21,870 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 [2018-11-22 23:05:21,871 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:21,871 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:05:21,871 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:21,871 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:21,871 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:21,871 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:21,872 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:21,872 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:21,873 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:21,873 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-22 23:05:21,873 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 [2018-11-22 23:05:21,874 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:21,874 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:21,874 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:21,874 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:21,874 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:21,879 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-22 23:05:21,879 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-22 23:05:22,652 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:22,652 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 [2018-11-22 23:05:22,653 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:22,653 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:22,653 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:22,653 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:22,653 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:22,653 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:22,654 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:05:22,654 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:22,655 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:22,655 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 [2018-11-22 23:05:22,655 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:22,656 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:22,656 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:22,656 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:22,656 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:22,658 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-22 23:05:22,659 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-22 23:05:22,676 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:22,677 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 [2018-11-22 23:05:22,677 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:22,677 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:22,677 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:22,678 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:22,678 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:22,678 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:22,679 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:05:22,679 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:22,679 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:22,679 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-22 23:05:22,680 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 [2018-11-22 23:05:22,680 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:22,680 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:22,680 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:22,680 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:22,680 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:22,682 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:05:22,682 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:05:22,697 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:22,697 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 [2018-11-22 23:05:22,698 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:22,698 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:22,698 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:22,698 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:22,698 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:22,698 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:22,699 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:22,699 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:22,700 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:22,700 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 [2018-11-22 23:05:22,700 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:22,700 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:22,700 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:22,701 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:22,701 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:22,702 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:05:22,702 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:05:22,710 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:22,710 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 [2018-11-22 23:05:22,711 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:22,711 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:22,711 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:22,711 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:22,711 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:22,711 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:22,712 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:22,712 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:22,713 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:22,713 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-22 23:05:22,713 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 [2018-11-22 23:05:22,713 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:22,714 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:22,714 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:22,714 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:22,714 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:05:22,717 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-22 23:05:22,717 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-22 23:05:22,913 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:22,913 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 [2018-11-22 23:05:22,914 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:22,914 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:22,914 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:22,914 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:22,914 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:22,914 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:05:22,915 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:05:22,915 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:22,916 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:22,917 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 [2018-11-22 23:05:22,917 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:22,917 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:22,917 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:22,917 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:22,917 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:05:22,919 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-22 23:05:22,919 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-22 23:05:22,938 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:22,938 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:05:22,939 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:22,939 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:22,939 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:22,939 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:22,939 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:22,939 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:05:22,940 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:05:22,940 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:22,942 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:22,942 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-22 23:05:22,942 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 9#L11-2true [2018-11-22 23:05:22,942 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 9#L11-2true [2018-11-22 23:05:22,943 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:05:22,943 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2018-11-22 23:05:22,943 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:05:22,943 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:05:22,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:05:22,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:05:22,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:05:22,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:05:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:05:22,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:05:22,950 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2018-11-22 23:05:22,950 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:05:22,950 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:05:22,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:05:22,950 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-22 23:05:22,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:05:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:05:22,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:05:22,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:05:22,957 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2018-11-22 23:05:22,957 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:05:22,957 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:05:22,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:05:22,957 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-22 23:05:22,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:05:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:05:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:05:22,992 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:05:22,992 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:05:22,992 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:05:22,992 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:05:22,992 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-22 23:05:22,993 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:05:22,993 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:05:22,993 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:05:22,993 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-22 23:05:22,993 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:05:22,993 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:05:22,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:05:23,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:05:23,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:05:23,043 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:05:23,043 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7d36b0c7-7245-45f5-85a5-b5efbea2727c/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 [2018-11-22 23:05:23,058 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:05:23,058 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:05:23,060 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-22 23:05:23,060 INFO L448 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_7d36b0c7-7245-45f5-85a5-b5efbea2727c/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 [2018-11-22 23:05:23,086 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:05:23,086 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:05:23,088 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-22 23:05:23,088 INFO L448 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_7d36b0c7-7245-45f5-85a5-b5efbea2727c/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 [2018-11-22 23:05:23,113 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:05:23,113 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7d36b0c7-7245-45f5-85a5-b5efbea2727c/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 [2018-11-22 23:05:23,133 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-22 23:05:23,134 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:05:35,184 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-22 23:05:35,189 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:05:35,190 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:05:35,190 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:05:35,190 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:05:35,190 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-22 23:05:35,190 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:05:35,190 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:05:35,190 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:05:35,190 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-22 23:05:35,190 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:05:35,190 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:05:35,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:05:35,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:05:35,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:05:35,236 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:05:35,237 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-22 23:05:35,237 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 [2018-11-22 23:05:35,237 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:35,238 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,238 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,238 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,238 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:05:35,238 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:05:35,238 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,239 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,239 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 [2018-11-22 23:05:35,239 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:35,239 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,239 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,240 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,240 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:05:35,240 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:05:35,240 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,240 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,241 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 [2018-11-22 23:05:35,241 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:35,241 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,241 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,241 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,242 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:05:35,242 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:05:35,242 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,244 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,244 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-22 23:05:35,244 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 [2018-11-22 23:05:35,244 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:35,244 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,244 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,245 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,245 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:35,245 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:05:35,245 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,245 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,246 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 [2018-11-22 23:05:35,246 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:35,246 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,246 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,246 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,246 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:35,247 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:05:35,247 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,247 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,248 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 [2018-11-22 23:05:35,248 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:35,248 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,248 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,248 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,248 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:35,249 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:05:35,249 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,251 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,251 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-22 23:05:35,251 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 [2018-11-22 23:05:35,251 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:35,252 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,252 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,252 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,252 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:35,252 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:35,252 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,253 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,253 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 [2018-11-22 23:05:35,253 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:35,253 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,253 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,254 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,254 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:35,254 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:35,254 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,255 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,255 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 [2018-11-22 23:05:35,255 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:35,255 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,255 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,255 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,256 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:35,256 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:35,256 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,258 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,259 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-22 23:05:35,259 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 [2018-11-22 23:05:35,259 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:35,259 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,259 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,260 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,260 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:35,260 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:05:35,260 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,261 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,261 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:05:35,261 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:35,261 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,261 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,262 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,262 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:35,262 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:05:35,262 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,263 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,263 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 [2018-11-22 23:05:35,263 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:35,263 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,264 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,264 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,264 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:35,264 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:05:35,264 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,267 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,267 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-22 23:05:35,268 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:05:35,268 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:35,268 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:35,268 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,268 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,269 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,269 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:35,269 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:05:35,269 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,270 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,270 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 [2018-11-22 23:05:35,270 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:35,270 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:35,271 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,271 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,271 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,271 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:35,272 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:05:35,272 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,273 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,273 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 [2018-11-22 23:05:35,273 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:35,273 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:35,274 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,274 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,274 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,274 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:35,275 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:05:35,275 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,280 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,280 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-22 23:05:35,281 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 [2018-11-22 23:05:35,281 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:35,281 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:05:35,281 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,282 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,282 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,282 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:35,282 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:35,282 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,283 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,284 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 [2018-11-22 23:05:35,284 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:35,284 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:05:35,284 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,285 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,285 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,285 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:35,286 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:35,286 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,288 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,289 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 [2018-11-22 23:05:35,289 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:35,289 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:05:35,289 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,289 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,290 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,290 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:35,291 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:35,291 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,299 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,299 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-22 23:05:35,299 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 [2018-11-22 23:05:35,299 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:35,300 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:35,300 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,300 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,300 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,300 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:35,301 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:05:35,301 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,302 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,302 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:05:35,302 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:35,303 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:35,303 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,303 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,303 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,303 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:35,306 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:05:35,307 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,308 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,308 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 [2018-11-22 23:05:35,308 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:35,309 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:35,309 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,309 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,309 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,309 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:35,310 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:05:35,311 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,327 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,327 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-22 23:05:35,327 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 [2018-11-22 23:05:35,328 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:35,328 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:35,328 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,328 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,328 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,328 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:35,329 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:35,329 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,330 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,330 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 [2018-11-22 23:05:35,331 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:35,331 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:35,331 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,331 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,331 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,331 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:35,332 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:35,332 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,334 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,334 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 [2018-11-22 23:05:35,335 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:35,335 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:35,335 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,335 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,335 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,335 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:35,336 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:35,336 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,339 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,339 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-22 23:05:35,340 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 [2018-11-22 23:05:35,340 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:35,340 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:35,340 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,340 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,340 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,341 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:05:35,341 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:05:35,341 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,343 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,343 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 [2018-11-22 23:05:35,345 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:35,345 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:35,345 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,345 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,345 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,345 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:05:35,347 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:05:35,347 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,353 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,353 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 [2018-11-22 23:05:35,354 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:35,354 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:35,354 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:35,354 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:35,354 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:35,354 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:05:35,355 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:05:35,355 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:35,362 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:35,379 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:05:35,380 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:05:35,380 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:05:35,380 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:05:35,380 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-22 23:05:35,380 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:05:35,380 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:05:35,380 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:05:35,380 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-22 23:05:35,380 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:05:35,380 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:05:35,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:05:35,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:05:35,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:05:35,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:05:35,480 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:05:35,480 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7d36b0c7-7245-45f5-85a5-b5efbea2727c/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 [2018-11-22 23:05:35,484 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:05:35,485 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7d36b0c7-7245-45f5-85a5-b5efbea2727c/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 [2018-11-22 23:05:35,517 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-22 23:05:35,517 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:05:47,655 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-22 23:05:47,661 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:05:47,662 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:05:47,662 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:05:47,662 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:05:47,662 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-22 23:05:47,662 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:05:47,662 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:05:47,662 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:05:47,662 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-22 23:05:47,662 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:05:47,663 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:05:47,664 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:05:47,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:05:47,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:05:47,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:05:47,762 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:05:47,763 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-22 23:05:47,763 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 [2018-11-22 23:05:47,763 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:47,763 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:47,763 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:47,763 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:05:47,764 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:05:47,764 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 23:05:47,772 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:47,773 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 [2018-11-22 23:05:47,773 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:47,774 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:47,774 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:47,774 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:47,774 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:05:47,774 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:05:47,774 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:47,775 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:47,775 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 [2018-11-22 23:05:47,775 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:47,775 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:47,775 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:47,775 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:05:47,776 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:05:47,776 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 23:05:47,780 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:47,781 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 [2018-11-22 23:05:47,781 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:47,781 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:47,781 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:47,781 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:47,781 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:05:47,782 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:05:47,782 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:47,782 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:47,782 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-22 23:05:47,782 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 [2018-11-22 23:05:47,783 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:47,783 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:47,783 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:47,783 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:47,784 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-22 23:05:47,784 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-22 23:05:47,789 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:47,790 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 [2018-11-22 23:05:47,790 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:47,790 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:47,790 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:47,790 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:47,791 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:47,791 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:05:47,791 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:47,791 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:47,791 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 [2018-11-22 23:05:47,792 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:47,792 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:47,792 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:47,792 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:47,794 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-22 23:05:47,794 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-22 23:05:47,800 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:47,801 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 [2018-11-22 23:05:47,801 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:47,801 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:47,801 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:47,801 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:47,801 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:47,802 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:05:47,802 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:47,802 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:47,802 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-22 23:05:47,802 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 [2018-11-22 23:05:47,803 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:47,803 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:47,803 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:47,803 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:47,804 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:05:47,804 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:05:47,810 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:47,810 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:05:47,810 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:47,811 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:47,811 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:47,811 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:47,811 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:47,811 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:47,811 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:47,812 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:47,812 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 [2018-11-22 23:05:47,812 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:47,812 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:47,812 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:47,812 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:47,813 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:05:47,814 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:05:47,826 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:47,826 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 [2018-11-22 23:05:47,827 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:47,827 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:47,827 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:47,827 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:47,827 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:47,827 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:47,827 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:47,828 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:47,828 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-22 23:05:47,828 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 [2018-11-22 23:05:47,828 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:47,829 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:47,829 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:47,829 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:47,830 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-22 23:05:47,830 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-22 23:05:47,838 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:47,839 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:05:47,839 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:47,839 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:47,839 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:47,839 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:47,839 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:47,840 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:05:47,840 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:47,840 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:47,841 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 [2018-11-22 23:05:47,841 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:47,841 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:47,841 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:47,841 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:47,843 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-22 23:05:47,843 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-22 23:05:47,868 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:47,868 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 [2018-11-22 23:05:47,869 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:05:47,869 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:47,869 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:47,869 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:47,869 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:47,869 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:05:47,869 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:47,870 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:47,870 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-22 23:05:47,870 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 [2018-11-22 23:05:47,871 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:47,871 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:47,871 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:47,871 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:47,871 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:47,872 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-22 23:05:47,872 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-22 23:05:47,888 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:47,888 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 [2018-11-22 23:05:47,889 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:47,889 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:47,889 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:47,889 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:47,889 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:47,889 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:47,890 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:05:47,890 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:47,890 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:47,890 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 [2018-11-22 23:05:47,891 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:47,891 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:47,891 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:47,891 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:47,891 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:47,892 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-22 23:05:47,901 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-22 23:05:47,939 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:47,939 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:05:47,939 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:47,939 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:47,940 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:47,940 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:47,940 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:47,940 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:05:47,940 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:05:47,940 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:47,941 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:47,941 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-22 23:05:47,941 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:05:47,941 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:47,941 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:05:47,942 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:47,942 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:47,942 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:47,943 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:05:47,943 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:05:47,966 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:47,967 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 [2018-11-22 23:05:47,967 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:47,967 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:05:47,967 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:47,967 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:47,968 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:47,968 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:47,968 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:47,968 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:47,969 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:47,969 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 [2018-11-22 23:05:47,970 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:47,970 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:05:47,970 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:47,970 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:47,970 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:47,972 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:05:47,972 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:05:48,232 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:48,233 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:05:48,233 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:48,233 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:05:48,233 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:48,233 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:48,234 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:48,234 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:48,234 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:48,234 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:48,237 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:48,237 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-22 23:05:48,237 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 [2018-11-22 23:05:48,237 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:48,238 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:48,238 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:48,238 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:48,238 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:48,240 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-22 23:05:48,240 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-22 23:05:48,297 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:48,297 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 [2018-11-22 23:05:48,298 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:48,298 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:48,298 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:48,298 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:48,298 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:48,298 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:48,299 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:05:48,299 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:48,300 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:48,300 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 [2018-11-22 23:05:48,300 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:48,301 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:48,301 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:48,301 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:48,301 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:48,305 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-22 23:05:48,305 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-22 23:05:48,781 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:48,782 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 [2018-11-22 23:05:48,782 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:48,782 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:48,782 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:48,783 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:48,783 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:48,783 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:05:48,783 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:05:48,783 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:48,784 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:48,784 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-22 23:05:48,784 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 [2018-11-22 23:05:48,785 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:48,785 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:48,785 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:48,785 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:48,785 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:48,786 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:05:48,786 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:05:48,800 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:48,801 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 [2018-11-22 23:05:48,801 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:48,801 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:48,801 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:48,801 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:48,801 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:48,802 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:48,802 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:48,802 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:48,803 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:48,803 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 [2018-11-22 23:05:48,803 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:48,804 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:48,804 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:48,804 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:48,804 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:48,805 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:05:48,805 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:05:48,821 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:48,821 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 [2018-11-22 23:05:48,822 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:48,822 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:05:48,822 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:48,822 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:48,822 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:48,822 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:05:48,823 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:05:48,823 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:48,823 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:48,824 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-22 23:05:48,824 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 [2018-11-22 23:05:48,824 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:48,824 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:48,824 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:48,825 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:48,825 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:05:48,826 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-22 23:05:48,827 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-22 23:05:48,856 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:48,856 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 [2018-11-22 23:05:48,857 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:48,857 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:48,857 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:48,857 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:48,857 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:48,857 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:05:48,858 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:05:48,858 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:48,859 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:48,860 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 [2018-11-22 23:05:48,860 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:48,860 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:48,860 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:48,860 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:48,860 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:05:48,863 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-22 23:05:48,863 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-22 23:05:49,013 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:49,013 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 [2018-11-22 23:05:49,014 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:05:49,014 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:05:49,014 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:05:49,014 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:05:49,014 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:05:49,014 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:05:49,015 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:05:49,015 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:05:49,016 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:05:49,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 11:05:49 BoogieIcfgContainer [2018-11-22 23:05:49,021 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-22 23:05:49,021 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:05:49,021 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:05:49,022 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:05:49,022 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:04:47" (3/4) ... [2018-11-22 23:05:49,025 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-22 23:05:49,025 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:05:49,026 INFO L168 Benchmark]: Toolchain (without parser) took 61493.19 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 404.2 MB). Free memory was 959.1 MB in the beginning and 802.5 MB in the end (delta: 156.7 MB). Peak memory consumption was 560.9 MB. Max. memory is 11.5 GB. [2018-11-22 23:05:49,027 INFO L168 Benchmark]: CDTParser took 0.13 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. [2018-11-22 23:05:49,027 INFO L168 Benchmark]: CACSL2BoogieTranslator took 151.32 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:05:49,028 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.39 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. [2018-11-22 23:05:49,028 INFO L168 Benchmark]: Boogie Preprocessor took 13.00 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 940.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:05:49,028 INFO L168 Benchmark]: RCFGBuilder took 175.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. [2018-11-22 23:05:49,029 INFO L168 Benchmark]: BuchiAutomizer took 61127.30 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 288.9 MB). Free memory was 1.1 GB in the beginning and 802.5 MB in the end (delta: 295.6 MB). Peak memory consumption was 584.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:05:49,029 INFO L168 Benchmark]: Witness Printer took 3.64 ms. Allocated memory is still 1.4 GB. Free memory is still 802.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:05:49,032 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 151.32 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.39 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. * Boogie Preprocessor took 13.00 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 940.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 175.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.3 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -157.7 MB). Peak memory consumption was 14.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 61127.30 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 288.9 MB). Free memory was 1.1 GB in the beginning and 802.5 MB in the end (delta: 295.6 MB). Peak memory consumption was 584.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.64 ms. Allocated memory is still 1.4 GB. Free memory is still 802.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 61.0s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 61.0s. 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: 32ms VariablesStem: 1 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 24.2s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1;" "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0;" Loop: "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...