./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/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 64bit --witnessprinter.graph.data.programhash bc157475d6c321934f68f6b441d83c0582720461 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:16:56,935 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:16:56,936 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:16:56,943 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:16:56,943 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:16:56,944 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:16:56,944 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:16:56,946 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:16:56,947 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:16:56,947 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:16:56,948 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:16:56,948 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:16:56,949 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:16:56,949 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:16:56,950 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:16:56,951 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:16:56,951 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:16:56,952 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:16:56,954 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:16:56,955 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:16:56,955 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:16:56,956 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:16:56,957 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:16:56,958 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:16:56,958 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:16:56,958 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:16:56,959 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:16:56,959 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:16:56,960 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:16:56,961 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:16:56,961 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:16:56,961 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:16:56,962 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:16:56,962 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:16:56,962 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:16:56,963 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:16:56,963 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-22 23:16:56,972 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:16:56,972 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:16:56,973 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 23:16:56,973 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 23:16:56,973 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 23:16:56,974 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-22 23:16:56,974 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-22 23:16:56,974 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-22 23:16:56,974 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-22 23:16:56,974 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-22 23:16:56,974 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-22 23:16:56,974 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:16:56,975 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-22 23:16:56,975 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:16:56,975 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:16:56,975 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-22 23:16:56,975 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-22 23:16:56,975 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-22 23:16:56,976 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:16:56,976 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-22 23:16:56,976 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:16:56,976 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-22 23:16:56,976 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:16:56,976 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:16:56,977 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-22 23:16:56,977 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:16:56,977 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 23:16:56,977 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-22 23:16:56,978 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-22 23:16:56,978 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_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc157475d6c321934f68f6b441d83c0582720461 [2018-11-22 23:16:57,000 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:16:57,009 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:16:57,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:16:57,013 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:16:57,013 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:16:57,013 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c [2018-11-22 23:16:57,047 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/bin-2019/uautomizer/data/f87a98cac/52365804780d4bee88d1b302c5503e89/FLAG07452e9f6 [2018-11-22 23:16:57,436 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:16:57,437 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c [2018-11-22 23:16:57,440 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/bin-2019/uautomizer/data/f87a98cac/52365804780d4bee88d1b302c5503e89/FLAG07452e9f6 [2018-11-22 23:16:57,451 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/bin-2019/uautomizer/data/f87a98cac/52365804780d4bee88d1b302c5503e89 [2018-11-22 23:16:57,452 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:16:57,453 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:16:57,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:16:57,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:16:57,456 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:16:57,456 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:16:57" (1/1) ... [2018-11-22 23:16:57,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b9ee6b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:57, skipping insertion in model container [2018-11-22 23:16:57,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:16:57" (1/1) ... [2018-11-22 23:16:57,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:16:57,479 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:16:57,577 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:16:57,579 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:16:57,588 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:16:57,596 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:16:57,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:57 WrapperNode [2018-11-22 23:16:57,596 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:16:57,597 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:16:57,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:16:57,597 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:16:57,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:57" (1/1) ... [2018-11-22 23:16:57,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:57" (1/1) ... [2018-11-22 23:16:57,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:16:57,621 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:16:57,621 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:16:57,621 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:16:57,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:57" (1/1) ... [2018-11-22 23:16:57,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:57" (1/1) ... [2018-11-22 23:16:57,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:57" (1/1) ... [2018-11-22 23:16:57,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:57" (1/1) ... [2018-11-22 23:16:57,628 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:57" (1/1) ... [2018-11-22 23:16:57,631 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:57" (1/1) ... [2018-11-22 23:16:57,631 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:57" (1/1) ... [2018-11-22 23:16:57,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:16:57,632 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:16:57,632 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:16:57,632 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:16:57,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/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 23:16:57,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:16:57,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:16:57,787 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:16:57,787 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-22 23:16:57,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:16:57 BoogieIcfgContainer [2018-11-22 23:16:57,788 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:16:57,788 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-22 23:16:57,788 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-22 23:16:57,791 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-22 23:16:57,791 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 23:16:57,792 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 11:16:57" (1/3) ... [2018-11-22 23:16:57,793 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35d0d948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 11:16:57, skipping insertion in model container [2018-11-22 23:16:57,793 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 23:16:57,793 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:16:57" (2/3) ... [2018-11-22 23:16:57,794 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35d0d948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 11:16:57, skipping insertion in model container [2018-11-22 23:16:57,794 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 23:16:57,794 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:16:57" (3/3) ... [2018-11-22 23:16:57,795 INFO L375 chiAutomizerObserver]: Analyzing ICFG KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c [2018-11-22 23:16:57,842 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 23:16:57,843 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-22 23:16:57,843 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-22 23:16:57,843 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-22 23:16:57,843 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:16:57,844 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:16:57,844 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-22 23:16:57,844 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:16:57,844 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-22 23:16:57,856 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-22 23:16:57,871 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-22 23:16:57,871 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 23:16:57,871 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 23:16:57,875 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-22 23:16:57,875 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-22 23:16:57,875 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-22 23:16:57,876 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-22 23:16:57,876 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-22 23:16:57,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 23:16:57,876 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 23:16:57,876 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-22 23:16:57,877 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-22 23:16:57,881 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 7#L23-1true [2018-11-22 23:16:57,882 INFO L796 eck$LassoCheckResult]: Loop: 7#L23-1true assume !!(main_~x~0 < 255); 9#L18true assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 5#L18-2true assume 0 != main_~debug~0;main_~x~0 := 0; 7#L23-1true [2018-11-22 23:16:57,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:16:57,885 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-22 23:16:57,887 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:16:57,887 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:16:57,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:16:57,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:16:57,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:16:57,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:16:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:16:57,943 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:16:57,943 INFO L82 PathProgramCache]: Analyzing trace with hash 39823, now seen corresponding path program 1 times [2018-11-22 23:16:57,943 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:16:57,943 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:16:57,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:16:57,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:16:57,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:16:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:16:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:16:57,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:16:57,964 INFO L82 PathProgramCache]: Analyzing trace with hash 963344, now seen corresponding path program 1 times [2018-11-22 23:16:57,964 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:16:57,964 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:16:57,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:16:57,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:16:57,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:16:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:16:57,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:16:57,996 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:16:57,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-11-22 23:16:58,067 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:16:58,068 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:16:58,068 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:16:58,068 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:16:58,068 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-22 23:16:58,070 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:16:58,071 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:16:58,071 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:16:58,071 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-22 23:16:58,071 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:16:58,071 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:16:58,087 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 23:16:58,107 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 23:16:58,109 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 23:16:58,253 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:16:58,253 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/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 23:16:58,258 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:16:58,258 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/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 23:16:58,286 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-22 23:16:58,286 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:16:58,966 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-22 23:16:58,967 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:16:58,967 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:16:58,968 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:16:58,968 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:16:58,968 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-22 23:16:58,968 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:16:58,968 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:16:58,968 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:16:58,968 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-22 23:16:58,968 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:16:58,968 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:16:58,969 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 23:16:58,979 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 23:16:58,981 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 23:16:59,044 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:16:59,049 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-22 23:16:59,050 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,051 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:16:59,051 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,052 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,052 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,052 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:16:59,054 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:16:59,054 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,061 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,061 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,062 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:16:59,062 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,062 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,062 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,062 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:16:59,063 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:16:59,063 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,064 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,064 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,065 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:16:59,065 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,065 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,065 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-22 23:16:59,065 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:16:59,066 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:16:59,066 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,067 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,067 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-22 23:16:59,067 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,068 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:16:59,068 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,068 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,068 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,068 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:16:59,069 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:16:59,070 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,077 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,077 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:16:59,078 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:16:59,078 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,078 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,078 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,078 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:16:59,079 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:16:59,079 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,080 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,080 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,081 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:16:59,081 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,081 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,081 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-22 23:16:59,081 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:16:59,082 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:16:59,082 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,084 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,084 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-22 23:16:59,084 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:16:59,085 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:16:59,085 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,085 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,085 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,085 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:16:59,087 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:16:59,087 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,096 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,096 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,097 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:16:59,097 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,097 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,097 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,097 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:16:59,098 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:16:59,098 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,099 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,099 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,100 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:16:59,100 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,100 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,100 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-22 23:16:59,100 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:16:59,101 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-22 23:16:59,101 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,102 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,103 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-22 23:16:59,103 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,103 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:16:59,104 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,104 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,104 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,104 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:16:59,105 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:16:59,105 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,116 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,117 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,117 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:16:59,117 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,117 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,118 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,118 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:16:59,118 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:16:59,118 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,119 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,119 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,120 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:16:59,120 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,120 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,120 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-22 23:16:59,120 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:16:59,121 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-11-22 23:16:59,121 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,122 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,122 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-22 23:16:59,122 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:16:59,122 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,122 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:16:59,122 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,123 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,123 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,123 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:16:59,124 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:16:59,124 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,142 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,142 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:16:59,143 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,143 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:16:59,143 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,144 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,144 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,144 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:16:59,145 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:16:59,145 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,146 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,146 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,147 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,147 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:16:59,147 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,147 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,147 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-22 23:16:59,147 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:16:59,149 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:16:59,149 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,156 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,156 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-22 23:16:59,157 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,157 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,157 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:16:59,158 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,158 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,158 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,158 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:16:59,160 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:16:59,160 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,172 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,173 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:16:59,173 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,174 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:16:59,174 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,174 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,174 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,174 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:16:59,175 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:16:59,175 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,177 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,177 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,178 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,178 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:16:59,178 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,178 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,179 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-22 23:16:59,179 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:16:59,181 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-22 23:16:59,181 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,190 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,191 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-22 23:16:59,191 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:16:59,192 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,192 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:16:59,192 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,192 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,192 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,192 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:16:59,194 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:16:59,195 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,215 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,216 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,216 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,217 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:16:59,217 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,217 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,217 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,217 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:16:59,222 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:16:59,222 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,223 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,223 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,224 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,224 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:16:59,224 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,224 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,225 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-22 23:16:59,225 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:16:59,227 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-11-22 23:16:59,227 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,237 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,238 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-22 23:16:59,238 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,239 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,239 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:16:59,239 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,239 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,239 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,239 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:16:59,240 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:16:59,240 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,246 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,246 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 23:16:59,247 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,247 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:16:59,247 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,247 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,247 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,247 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:16:59,248 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:16:59,248 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,250 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,250 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,251 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,251 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:16:59,251 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,251 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,251 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-22 23:16:59,251 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:16:59,252 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-22 23:16:59,252 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,255 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,255 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-22 23:16:59,256 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:16:59,256 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,256 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:16:59,257 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,257 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,257 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,257 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:16:59,258 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:16:59,258 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,269 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,270 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 23:16:59,270 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,271 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:16:59,271 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,271 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,271 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,271 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:16:59,272 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:16:59,272 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,275 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,275 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,276 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,276 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:16:59,276 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,277 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,277 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-22 23:16:59,277 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:16:59,278 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:16:59,278 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,284 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:16:59,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:16:59,300 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2018-11-22 23:16:59,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:16:59,309 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-11-22 23:16:59,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:16:59,311 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. [2018-11-22 23:16:59,312 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-22 23:16:59,315 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 4 states and 5 transitions. [2018-11-22 23:16:59,316 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2018-11-22 23:16:59,316 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2018-11-22 23:16:59,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. [2018-11-22 23:16:59,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-22 23:16:59,317 INFO L705 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2018-11-22 23:16:59,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. [2018-11-22 23:16:59,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2018-11-22 23:16:59,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-22 23:16:59,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2018-11-22 23:16:59,341 INFO L728 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2018-11-22 23:16:59,341 INFO L608 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2018-11-22 23:16:59,341 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-22 23:16:59,341 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. [2018-11-22 23:16:59,341 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-22 23:16:59,341 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 23:16:59,342 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 23:16:59,342 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-22 23:16:59,342 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-22 23:16:59,342 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 28#L23-1 [2018-11-22 23:16:59,342 INFO L796 eck$LassoCheckResult]: Loop: 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2018-11-22 23:16:59,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:16:59,342 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2018-11-22 23:16:59,343 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:16:59,343 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:16:59,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:16:59,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:16:59,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:16:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:16:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:16:59,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:16:59,346 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 1 times [2018-11-22 23:16:59,346 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:16:59,347 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:16:59,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:16:59,347 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-22 23:16:59,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:16:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:16:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:16:59,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:16:59,353 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 1 times [2018-11-22 23:16:59,353 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:16:59,354 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:16:59,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:16:59,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:16:59,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:16:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:16:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:16:59,407 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:16:59,407 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:16:59,407 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:16:59,407 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:16:59,407 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-22 23:16:59,407 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:16:59,407 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:16:59,407 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:16:59,408 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Loop [2018-11-22 23:16:59,408 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:16:59,408 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:16:59,409 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 23:16:59,431 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 23:16:59,433 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 23:16:59,541 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:16:59,542 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/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 23:16:59,550 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:16:59,551 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/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 23:16:59,582 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-22 23:16:59,582 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:16:59,746 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-22 23:16:59,748 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:16:59,748 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:16:59,748 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:16:59,748 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:16:59,749 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-22 23:16:59,749 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:16:59,749 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:16:59,749 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:16:59,749 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Loop [2018-11-22 23:16:59,749 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:16:59,749 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:16:59,750 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 23:16:59,756 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 23:16:59,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:16:59,838 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:16:59,838 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-22 23:16:59,838 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,839 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:16:59,839 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,839 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,839 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,839 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:16:59,840 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:16:59,840 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,841 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,842 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,842 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:16:59,842 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,842 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,842 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,842 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:16:59,843 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:16:59,843 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,843 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,844 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,844 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:16:59,844 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,844 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,844 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,844 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:16:59,844 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:16:59,845 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,845 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,845 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-22 23:16:59,845 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,845 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:16:59,845 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,845 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,846 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,846 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:16:59,846 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:16:59,846 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,848 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,848 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,848 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:16:59,849 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,849 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,849 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,849 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:16:59,849 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:16:59,849 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,850 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,850 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:16:59,851 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:16:59,851 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,851 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,851 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,851 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:16:59,852 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:16:59,852 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,852 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,852 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-22 23:16:59,853 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,854 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:16:59,854 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,854 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,854 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,854 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:16:59,855 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:16:59,855 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,865 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,865 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,866 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:16:59,866 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,866 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,866 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,866 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:16:59,867 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:16:59,867 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,867 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,867 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,868 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:16:59,868 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,868 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,868 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,868 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:16:59,869 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:16:59,869 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,869 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,870 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-22 23:16:59,870 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 23:16:59,870 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:16:59,870 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,871 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,871 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,871 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:16:59,871 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:16:59,872 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,875 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,875 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,876 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:16:59,876 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,876 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,876 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,876 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:16:59,877 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:16:59,877 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,878 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,878 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,878 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:16:59,878 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,879 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,879 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,879 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:16:59,879 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:16:59,879 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,880 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,880 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-22 23:16:59,880 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,881 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,881 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:16:59,881 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,881 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,881 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,881 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:16:59,882 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:16:59,882 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,890 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,891 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:16:59,891 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,891 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:16:59,891 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,892 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,892 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,892 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:16:59,892 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:16:59,893 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,893 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,894 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,894 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,894 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:16:59,894 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,894 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,894 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,895 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:16:59,895 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:16:59,895 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,896 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,896 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-22 23:16:59,896 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,897 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,897 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:16:59,897 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,897 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,897 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,897 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:16:59,899 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:16:59,899 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,914 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,914 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,915 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,915 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:16:59,915 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,915 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,915 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,915 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:16:59,916 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:16:59,916 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,917 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,917 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 23:16:59,918 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,918 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:16:59,918 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,918 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,918 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,918 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:16:59,919 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:16:59,919 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,920 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,920 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-22 23:16:59,921 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:16:59,921 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,921 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:16:59,921 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,922 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,922 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,922 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:16:59,924 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:16:59,924 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,950 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,950 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,951 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,951 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:16:59,951 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,951 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,952 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,952 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:16:59,953 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:16:59,953 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,954 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,954 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:16:59,954 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,955 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:16:59,955 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,955 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,955 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,955 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:16:59,956 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:16:59,956 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,957 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,957 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-22 23:16:59,957 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:16:59,958 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,958 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:16:59,958 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,958 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,958 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,958 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:16:59,959 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:16:59,959 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,965 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,966 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:16:59,966 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,966 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:16:59,966 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,967 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,967 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,967 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:16:59,967 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:16:59,967 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,969 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,969 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 23:16:59,970 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,970 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:16:59,970 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,970 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,970 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,970 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:16:59,971 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:16:59,971 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,972 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,972 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-22 23:16:59,973 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,973 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,973 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:16:59,973 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,974 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,974 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,974 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:16:59,975 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:16:59,975 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,985 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,986 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:16:59,986 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,986 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:16:59,987 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,987 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,987 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,987 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:16:59,988 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:16:59,988 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,990 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:16:59,990 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:16:59,991 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:16:59,991 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:16:59,991 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:16:59,991 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:16:59,991 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:16:59,991 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:16:59,992 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:16:59,992 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:16:59,995 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,011 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:17:00,011 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:17:00,011 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:17:00,012 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:17:00,012 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-22 23:17:00,012 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:17:00,012 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:17:00,012 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:17:00,012 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Lasso [2018-11-22 23:17:00,012 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:17:00,012 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:17:00,013 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 23:17:00,015 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 23:17:00,051 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 23:17:00,054 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 23:17:00,055 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 23:17:00,142 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:17:00,142 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/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 23:17:00,146 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:17:00,146 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:17:00,150 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-22 23:17:00,150 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/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 23:17:00,177 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:17:00,177 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/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 23:17:00,197 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-22 23:17:00,197 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:17:00,342 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-22 23:17:00,344 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:17:00,344 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:17:00,344 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:17:00,344 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:17:00,344 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-22 23:17:00,344 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:17:00,345 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:17:00,345 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:17:00,345 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Lasso [2018-11-22 23:17:00,345 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:17:00,345 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:17:00,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:00,360 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 23:17:00,365 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 23:17:00,373 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 23:17:00,374 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 23:17:00,458 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:17:00,458 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-22 23:17:00,459 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 23:17:00,459 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:00,459 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,459 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,459 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,460 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:17:00,460 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:17:00,460 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,462 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,462 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,462 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:00,463 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,463 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,463 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,463 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:17:00,463 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:17:00,463 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,464 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,464 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:00,464 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:00,468 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,469 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,469 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:17:00,470 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:17:00,470 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 23:17:00,472 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,472 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,473 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:00,473 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,474 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,474 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,474 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:17:00,474 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:17:00,474 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,475 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,475 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,475 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:00,475 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,476 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,476 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,476 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:17:00,476 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:17:00,476 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,478 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,479 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-22 23:17:00,479 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,479 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:00,479 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,479 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,480 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,480 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:00,480 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:00,480 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,482 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,483 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,483 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:00,483 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,483 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,483 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,483 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:00,484 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:00,484 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,484 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,485 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,486 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:00,486 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,486 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,486 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:00,487 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-22 23:17:00,487 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-22 23:17:00,490 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,490 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,490 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:00,491 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,491 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,491 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,491 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:00,491 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:00,491 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,492 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,492 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,492 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:00,493 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,493 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,493 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,493 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:00,493 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:00,493 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,494 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,494 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-22 23:17:00,494 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:00,495 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:00,495 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,495 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,495 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,495 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:00,495 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:00,496 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,499 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,499 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:00,500 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:00,500 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,500 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,500 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,502 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:00,503 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:00,503 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,503 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,504 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,504 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:00,504 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,504 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,504 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:00,505 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:17:00,506 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:17:00,508 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,508 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 23:17:00,509 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:00,509 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,509 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,509 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,509 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:00,510 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:00,510 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,510 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,511 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,511 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:00,511 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,511 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,511 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,511 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:00,512 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:00,512 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,514 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,514 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-22 23:17:00,514 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 23:17:00,515 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:00,515 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,515 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,515 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,515 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:00,516 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:00,516 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,519 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,519 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,520 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:00,520 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,520 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,520 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,521 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:00,521 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:00,521 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,522 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,522 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:00,523 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:00,523 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,523 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,523 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:00,524 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-22 23:17:00,524 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-22 23:17:00,526 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,527 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,527 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:00,527 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,527 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,528 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,528 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:00,528 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:00,528 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,529 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,530 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 23:17:00,530 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:00,530 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,530 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,530 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,530 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:00,531 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:00,531 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,531 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,532 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-22 23:17:00,532 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,532 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:00,532 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:00,535 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,535 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,535 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,535 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:00,536 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:00,536 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,541 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,542 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:00,542 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:00,542 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:00,542 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,543 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,543 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,543 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:00,543 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:00,543 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,544 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,544 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:00,544 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:00,545 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:00,545 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,545 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,545 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:00,546 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-22 23:17:00,546 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-22 23:17:00,549 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,549 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:00,550 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:00,550 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:00,550 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,550 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,550 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,550 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:00,551 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:00,551 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,551 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,552 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,552 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:00,552 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:00,552 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,552 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,553 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,553 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:00,553 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:00,553 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,554 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,554 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-22 23:17:00,554 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,555 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:00,555 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:17:00,555 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,555 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,555 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,556 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:00,557 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:00,557 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,569 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,569 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,570 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:00,570 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:17:00,570 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,570 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,570 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,571 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:00,571 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:00,571 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,572 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,573 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 23:17:00,573 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:00,573 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:17:00,573 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,573 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,574 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:00,575 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:17:00,575 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:17:00,578 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,578 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,579 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:00,579 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:17:00,579 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,579 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,579 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,579 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:00,580 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:00,580 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,581 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,581 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,582 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:00,582 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:17:00,582 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,582 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,582 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,582 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:00,583 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:00,583 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,584 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,584 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-22 23:17:00,585 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,585 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:00,585 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:00,585 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,585 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,586 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,586 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:00,587 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:00,587 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,606 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,606 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,607 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:00,607 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:00,607 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,607 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,607 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,608 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:00,608 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:00,608 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,609 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,609 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,610 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:00,610 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:00,610 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,610 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,610 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:00,612 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-22 23:17:00,612 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-22 23:17:00,650 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,651 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,652 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:00,652 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:00,653 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,653 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,653 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,653 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:00,654 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:00,654 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,654 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,654 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:00,655 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:00,655 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:00,655 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,655 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,655 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,655 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:00,656 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:00,656 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,657 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,657 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-22 23:17:00,657 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:00,657 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:00,657 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:00,658 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,658 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,658 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,658 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:00,658 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:00,658 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,665 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,665 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,665 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:00,665 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:00,665 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,666 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,666 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,666 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:00,666 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:00,666 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,667 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,668 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,668 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:00,668 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:00,668 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,668 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,668 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:00,669 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:17:00,669 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:17:00,672 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,673 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,673 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:00,673 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:00,673 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,674 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,674 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,674 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:00,674 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:00,674 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,675 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,676 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:00,676 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:00,676 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:00,676 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,676 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,676 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,677 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:00,677 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:00,677 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,678 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,678 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-22 23:17:00,679 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,679 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:00,679 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:00,679 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,679 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,680 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,680 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:17:00,680 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:17:00,681 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,687 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,687 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,688 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:00,688 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:00,688 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,688 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,688 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,688 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:17:00,689 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:17:00,689 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,690 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,690 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,690 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:00,691 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:00,691 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,691 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,691 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:17:00,692 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-22 23:17:00,692 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-22 23:17:00,696 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,696 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,697 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:00,697 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:00,697 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,697 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,697 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,697 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:17:00,698 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:17:00,698 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,699 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,699 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:00,699 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:00,700 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:00,700 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:00,700 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:00,700 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:00,700 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:17:00,700 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:17:00,701 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:00,702 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:00,703 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-22 23:17:00,703 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2018-11-22 23:17:00,703 INFO L796 eck$LassoCheckResult]: Loop: 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2018-11-22 23:17:00,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:00,703 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 2 times [2018-11-22 23:17:00,703 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:17:00,704 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:17:00,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:00,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:00,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:17:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:17:00,709 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:00,709 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 2 times [2018-11-22 23:17:00,709 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:17:00,710 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:17:00,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:00,710 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-22 23:17:00,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:17:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:17:00,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:00,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1365720352, now seen corresponding path program 3 times [2018-11-22 23:17:00,714 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:17:00,714 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:17:00,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:00,714 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-22 23:17:00,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:17:00,778 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:17:00,778 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:17:00,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 23:17:00,796 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:17:00,796 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:17:00,796 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:17:00,796 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:17:00,796 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-22 23:17:00,796 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:17:00,796 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:17:00,796 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:17:00,796 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Loop [2018-11-22 23:17:00,796 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:17:00,796 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:17:00,797 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 23:17:00,801 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 23:17:00,806 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 23:17:00,853 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:17:00,853 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/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 23:17:00,857 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:17:00,857 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:17:00,859 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-22 23:17:00,859 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1=0} Honda state: {ULTIMATE.start_main_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/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 23:17:00,875 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:17:00,875 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/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 23:17:00,892 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-22 23:17:00,892 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:17:01,096 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-22 23:17:01,098 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:17:01,098 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:17:01,098 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:17:01,098 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:17:01,098 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-22 23:17:01,098 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:17:01,098 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:17:01,098 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:17:01,098 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Loop [2018-11-22 23:17:01,098 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:17:01,098 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:17:01,099 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 23:17:01,106 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 23:17:01,112 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 23:17:01,185 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:17:01,185 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-22 23:17:01,185 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:01,185 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:01,186 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,186 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,186 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,186 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:17:01,186 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:17:01,186 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,187 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,187 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:01,187 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:01,187 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,187 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,187 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,187 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:17:01,188 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:17:01,188 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,189 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,189 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:01,189 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:01,190 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,190 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,190 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,190 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:17:01,190 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:17:01,190 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,190 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,190 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-22 23:17:01,191 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:01,191 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:01,191 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,191 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,191 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,191 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:01,192 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:01,192 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,192 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,192 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:01,192 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:01,192 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,193 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,193 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,193 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:01,193 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:01,193 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,195 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,195 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:01,195 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:01,195 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,195 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,195 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,195 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:01,196 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:01,196 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,196 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,196 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-22 23:17:01,196 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:01,197 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:01,197 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,197 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,197 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,197 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:01,197 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:01,197 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,198 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,198 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:01,198 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:01,198 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,198 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,199 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,199 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:01,199 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:01,199 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,201 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,201 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:01,202 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:01,202 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,202 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,202 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,202 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:01,202 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:01,202 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,203 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,203 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-22 23:17:01,203 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:01,203 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:01,203 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,203 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,204 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,204 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:01,204 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:01,204 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,204 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,205 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:01,205 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:01,205 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,205 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,205 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,205 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:01,206 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:01,206 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,208 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,208 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:01,209 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:01,209 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,209 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,209 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,209 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:01,209 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:01,209 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,210 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,210 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-22 23:17:01,210 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:01,210 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:01,210 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:01,210 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,211 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,211 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,211 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:01,211 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:01,211 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,212 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,212 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:01,212 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:01,212 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:01,212 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,212 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,212 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,213 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:01,213 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:01,213 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,217 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,218 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:01,218 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:01,218 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:01,218 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,218 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,219 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,219 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:01,219 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:01,219 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,219 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,219 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-22 23:17:01,220 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:01,220 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:01,220 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:17:01,220 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,220 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,220 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,221 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:01,221 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:01,221 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,222 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,222 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:01,222 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:01,223 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:17:01,223 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,223 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,223 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,223 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:01,224 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:01,224 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,233 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,233 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 23:17:01,233 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:01,233 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:17:01,233 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,234 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,234 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,234 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:01,234 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:01,234 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,235 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,235 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-22 23:17:01,235 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:01,236 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:01,236 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:01,236 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,236 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,236 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,236 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:01,237 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:01,237 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,238 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,238 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:01,238 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:01,238 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:01,238 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,239 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,239 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,239 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:01,240 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:01,240 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,260 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,261 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 23:17:01,261 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:01,261 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:01,261 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,261 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,262 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,262 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:01,262 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:01,262 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,263 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,263 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-22 23:17:01,263 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 23:17:01,264 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:01,264 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:01,264 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,264 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,264 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,264 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:01,264 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:01,264 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,265 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,266 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:01,266 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:01,266 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:01,266 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,266 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,266 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,266 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:01,267 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:01,267 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,270 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,271 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:01,271 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:01,271 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:01,271 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,271 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,271 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,271 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:01,272 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:01,272 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,273 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,273 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-22 23:17:01,273 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 23:17:01,274 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:01,274 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:01,274 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,274 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,274 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,274 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:17:01,275 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:17:01,275 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,277 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,277 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:01,277 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:01,277 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:01,278 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,278 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,278 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,278 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:17:01,279 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:17:01,279 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,285 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,285 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:01,285 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:01,285 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:01,286 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,286 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,286 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,286 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:17:01,286 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:17:01,286 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,288 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:17:01,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:17:01,289 INFO L87 Difference]: Start difference. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand 3 states. [2018-11-22 23:17:01,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:17:01,352 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2018-11-22 23:17:01,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:17:01,354 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. [2018-11-22 23:17:01,354 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-22 23:17:01,355 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 7 transitions. [2018-11-22 23:17:01,355 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2018-11-22 23:17:01,355 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2018-11-22 23:17:01,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2018-11-22 23:17:01,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-22 23:17:01,355 INFO L705 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2018-11-22 23:17:01,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2018-11-22 23:17:01,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-11-22 23:17:01,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-22 23:17:01,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2018-11-22 23:17:01,356 INFO L728 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2018-11-22 23:17:01,356 INFO L608 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2018-11-22 23:17:01,356 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-22 23:17:01,356 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2018-11-22 23:17:01,357 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-22 23:17:01,357 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 23:17:01,357 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 23:17:01,357 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-22 23:17:01,357 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-22 23:17:01,357 INFO L794 eck$LassoCheckResult]: Stem: 54#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 55#L23-1 assume !!(main_~x~0 < 255); 57#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 52#L18-2 [2018-11-22 23:17:01,358 INFO L796 eck$LassoCheckResult]: Loop: 52#L18-2 assume !(0 != main_~debug~0); 53#L23-1 assume !!(main_~x~0 < 255); 56#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 52#L18-2 [2018-11-22 23:17:01,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:01,358 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2018-11-22 23:17:01,358 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:17:01,358 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:17:01,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:01,359 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-22 23:17:01,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:17:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:17:01,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:01,363 INFO L82 PathProgramCache]: Analyzing trace with hash 50297, now seen corresponding path program 1 times [2018-11-22 23:17:01,363 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:17:01,363 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:17:01,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:01,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:01,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:17:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:17:01,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:01,368 INFO L82 PathProgramCache]: Analyzing trace with hash 925835413, now seen corresponding path program 1 times [2018-11-22 23:17:01,368 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:17:01,368 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:17:01,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:01,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:01,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:17:01,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:17:01,417 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:17:01,417 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:17:01,417 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:17:01,417 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:17:01,417 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-22 23:17:01,417 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:17:01,418 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:17:01,418 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:17:01,418 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration3_Loop [2018-11-22 23:17:01,418 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:17:01,418 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:17:01,418 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 23:17:01,424 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 23:17:01,487 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:17:01,487 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/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 23:17:01,489 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:17:01,490 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:17:01,493 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-22 23:17:01,493 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~debug~0=0} Honda state: {ULTIMATE.start_main_~debug~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/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 23:17:01,514 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:17:01,514 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4cccaed1-0b1d-45d7-99fe-9af5cad0a281/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 23:17:01,544 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-22 23:17:01,544 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:17:01,571 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-22 23:17:01,574 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:17:01,574 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:17:01,574 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:17:01,574 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:17:01,574 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-22 23:17:01,574 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:17:01,574 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:17:01,574 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:17:01,574 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration3_Loop [2018-11-22 23:17:01,574 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:17:01,574 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:17:01,575 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 23:17:01,585 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 23:17:01,669 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:17:01,669 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-22 23:17:01,669 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:01,670 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:01,670 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,670 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,670 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,670 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:17:01,671 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:17:01,671 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,672 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:01,672 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:17:01,673 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:01,673 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:01,673 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:01,673 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:01,673 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:17:01,673 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:17:01,673 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:01,675 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-22 23:17:01,676 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-22 23:17:01,676 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-22 23:17:01,677 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-22 23:17:01,678 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-22 23:17:01,678 INFO L518 LassoAnalysis]: Proved termination. [2018-11-22 23:17:01,678 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~x~0 + 255 Supporting invariants [] [2018-11-22 23:17:01,679 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-22 23:17:01,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:17:01,710 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:17:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:17:01,721 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:17:01,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:17:01,737 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-22 23:17:01,738 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand 4 states. [2018-11-22 23:17:01,763 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 12 states and 14 transitions. Complement of second has 6 states. [2018-11-22 23:17:01,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-22 23:17:01,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-22 23:17:01,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2018-11-22 23:17:01,765 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2018-11-22 23:17:01,766 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-22 23:17:01,766 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2018-11-22 23:17:01,766 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-22 23:17:01,766 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2018-11-22 23:17:01,766 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-22 23:17:01,766 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2018-11-22 23:17:01,767 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-22 23:17:01,767 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2018-11-22 23:17:01,767 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-22 23:17:01,767 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-22 23:17:01,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-22 23:17:01,767 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-22 23:17:01,767 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:17:01,767 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:17:01,767 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:17:01,767 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-22 23:17:01,767 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-22 23:17:01,768 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-22 23:17:01,768 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-22 23:17:01,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 11:17:01 BoogieIcfgContainer [2018-11-22 23:17:01,772 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-22 23:17:01,772 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:17:01,772 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:17:01,773 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:17:01,773 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:16:57" (3/4) ... [2018-11-22 23:17:01,775 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-22 23:17:01,775 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:17:01,776 INFO L168 Benchmark]: Toolchain (without parser) took 4323.32 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 241.2 MB). Free memory was 959.1 MB in the beginning and 1.0 GB in the end (delta: -77.7 MB). Peak memory consumption was 163.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:17:01,777 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:17:01,778 INFO L168 Benchmark]: CACSL2BoogieTranslator took 142.68 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 23:17:01,778 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.16 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 23:17:01,778 INFO L168 Benchmark]: Boogie Preprocessor took 11.14 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:17:01,779 INFO L168 Benchmark]: RCFGBuilder took 155.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -176.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:17:01,779 INFO L168 Benchmark]: BuchiAutomizer took 3984.09 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 95.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 85.6 MB). Peak memory consumption was 181.0 MB. Max. memory is 11.5 GB. [2018-11-22 23:17:01,780 INFO L168 Benchmark]: Witness Printer took 3.25 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:17:01,782 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 142.68 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 24.16 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 11.14 ms. Allocated memory is still 1.0 GB. Free memory is still 945.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 155.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -176.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3984.09 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 95.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 85.6 MB). Peak memory consumption was 181.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.25 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * x + 255 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 12 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital29 mio100 ax100 hnf100 lsp86 ukn100 mio100 lsp100 div266 bol100 ite112 ukn100 eq149 hnf58 smp59 dnf99 smp100 tf105 neg98 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 8ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...