./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-restricted-15/NO_24_false-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/termination-restricted-15/NO_24_false-termination_true-no-overflow.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 37080e652aca30a197dfeef0cd840e0e07570cf4 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:17:20,925 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:17:20,930 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:17:20,956 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:17:20,956 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:17:20,957 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:17:20,958 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:17:20,961 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:17:20,963 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:17:20,964 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:17:20,965 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:17:20,966 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:17:20,967 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:17:20,968 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:17:20,969 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:17:20,971 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:17:20,971 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:17:20,974 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:17:20,976 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:17:20,978 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:17:20,979 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:17:20,980 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:17:20,983 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:17:20,983 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:17:20,983 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:17:20,984 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:17:20,986 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:17:20,987 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:17:20,987 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:17:20,989 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:17:20,989 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:17:20,990 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:17:20,990 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:17:20,990 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:17:20,991 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:17:20,992 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:17:20,992 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 23:17:21,010 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:17:21,010 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:17:21,012 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:17:21,012 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:17:21,012 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:17:21,012 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:17:21,013 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:17:21,013 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:17:21,013 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:17:21,013 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:17:21,013 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:17:21,013 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:17:21,014 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:17:21,014 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:17:21,014 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:17:21,014 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:17:21,014 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:17:21,014 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:17:21,016 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:17:21,016 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:17:21,016 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:17:21,017 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:17:21,017 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:17:21,017 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:17:21,017 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:17:21,017 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:17:21,018 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:17:21,018 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:17:21,019 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:17:21,019 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 37080e652aca30a197dfeef0cd840e0e07570cf4 [2018-11-28 23:17:21,083 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:17:21,099 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:17:21,108 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:17:21,111 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:17:21,112 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:17:21,113 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-restricted-15/NO_24_false-termination_true-no-overflow.c [2018-11-28 23:17:21,182 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b98ee1101/c294a3ba8aec4aae86a6d5b041f55e8e/FLAG6f9212b4b [2018-11-28 23:17:21,708 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:17:21,708 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-restricted-15/NO_24_false-termination_true-no-overflow.c [2018-11-28 23:17:21,715 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b98ee1101/c294a3ba8aec4aae86a6d5b041f55e8e/FLAG6f9212b4b [2018-11-28 23:17:22,059 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b98ee1101/c294a3ba8aec4aae86a6d5b041f55e8e [2018-11-28 23:17:22,063 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:17:22,065 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:17:22,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:17:22,067 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:17:22,071 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:17:22,072 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:17:22" (1/1) ... [2018-11-28 23:17:22,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54866c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:22, skipping insertion in model container [2018-11-28 23:17:22,076 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:17:22" (1/1) ... [2018-11-28 23:17:22,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:17:22,102 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:17:22,281 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:17:22,287 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:17:22,310 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:17:22,328 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:17:22,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:22 WrapperNode [2018-11-28 23:17:22,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:17:22,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:17:22,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:17:22,329 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:17:22,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:22" (1/1) ... [2018-11-28 23:17:22,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:22" (1/1) ... [2018-11-28 23:17:22,365 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:17:22,366 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:17:22,366 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:17:22,366 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:17:22,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:22" (1/1) ... [2018-11-28 23:17:22,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:22" (1/1) ... [2018-11-28 23:17:22,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:22" (1/1) ... [2018-11-28 23:17:22,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:22" (1/1) ... [2018-11-28 23:17:22,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:22" (1/1) ... [2018-11-28 23:17:22,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:22" (1/1) ... [2018-11-28 23:17:22,389 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:22" (1/1) ... [2018-11-28 23:17:22,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:17:22,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:17:22,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:17:22,392 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:17:22,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:22,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:17:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:17:22,692 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:17:22,693 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-28 23:17:22,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:17:22 BoogieIcfgContainer [2018-11-28 23:17:22,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:17:22,695 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:17:22,695 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:17:22,699 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:17:22,700 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:17:22,701 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:17:22" (1/3) ... [2018-11-28 23:17:22,702 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@417f8214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:17:22, skipping insertion in model container [2018-11-28 23:17:22,702 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:17:22,702 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:17:22" (2/3) ... [2018-11-28 23:17:22,703 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@417f8214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:17:22, skipping insertion in model container [2018-11-28 23:17:22,703 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:17:22,703 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:17:22" (3/3) ... [2018-11-28 23:17:22,705 INFO L375 chiAutomizerObserver]: Analyzing ICFG NO_24_false-termination_true-no-overflow.c [2018-11-28 23:17:22,769 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:17:22,769 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:17:22,770 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:17:22,770 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:17:22,770 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:17:22,770 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:17:22,770 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:17:22,771 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:17:22,771 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:17:22,787 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2018-11-28 23:17:22,813 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 23:17:22,813 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:17:22,813 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:17:22,819 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:17:22,820 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 23:17:22,820 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:17:22,820 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2018-11-28 23:17:22,821 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 23:17:22,821 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:17:22,821 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:17:22,822 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:17:22,822 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 23:17:22,832 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~a~0, main_~b~0;havoc main_~a~0;havoc main_~b~0;main_~a~0 := 1;main_~b~0 := 2; 8#L11-2true [2018-11-28 23:17:22,833 INFO L796 eck$LassoCheckResult]: Loop: 8#L11-2true assume !!(main_~a~0 + main_~b~0 < 5);main_~a~0 := main_~a~0 - main_~b~0;main_~b~0 := main_~a~0 + main_~b~0;main_~a~0 := main_~b~0 - main_~a~0; 8#L11-2true [2018-11-28 23:17:22,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:17:22,845 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 23:17:22,847 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:17:22,848 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:17:22,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:22,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:17:22,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:22,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:22,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:22,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:17:22,955 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-11-28 23:17:22,955 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:17:22,955 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:17:22,957 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:22,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:17:22,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:22,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:17:22,973 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-11-28 23:17:22,973 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:17:22,973 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:17:22,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:22,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:17:22,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:23,268 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:17:23,269 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:17:23,270 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:17:23,270 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:17:23,270 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:17:23,270 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:23,270 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:17:23,271 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:17:23,271 INFO L131 ssoRankerPreferences]: Filename of dumped script: NO_24_false-termination_true-no-overflow.c_Iteration1_Lasso [2018-11-28 23:17:23,271 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:17:23,271 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:17:23,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:23,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:23,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:23,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:23,699 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-11-28 23:17:23,733 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:17:23,734 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2018-11-28 23:17:23,749 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:17:23,749 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:23,779 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:17:23,779 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:23,787 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:17:23,787 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:17:23,821 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:17:23,822 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:23,826 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:17:23,827 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:23,853 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:17:23,853 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:17:24,220 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:17:24,222 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:17:24,223 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:17:24,223 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:17:24,223 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:17:24,223 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:17:24,223 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:24,223 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:17:24,223 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:17:24,224 INFO L131 ssoRankerPreferences]: Filename of dumped script: NO_24_false-termination_true-no-overflow.c_Iteration1_Lasso [2018-11-28 23:17:24,224 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:17:24,224 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:17:24,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:24,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:24,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:24,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:24,580 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:17:24,587 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:17:24,589 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:24,591 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:24,591 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:24,592 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:24,592 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:17:24,597 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:17:24,597 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:17:24,605 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:24,606 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 [2018-11-28 23:17:24,607 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:24,607 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:24,607 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:24,607 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:17:24,610 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:17:24,610 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:17:24,620 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:24,620 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:24,621 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:24,621 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:24,622 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:24,622 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:24,622 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:17:24,623 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:17:24,623 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:24,625 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:24,625 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:24,626 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:24,626 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:24,626 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:24,627 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:17:24,631 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:17:24,632 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:17:24,685 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:24,685 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:17:24,686 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:24,687 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:24,687 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:24,687 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:24,688 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:24,691 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:17:24,691 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:17:24,697 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:24,698 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:24,698 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:24,699 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:24,699 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:24,699 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:24,703 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:17:24,703 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:17:24,724 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:24,725 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:24,730 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:24,731 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:24,731 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:24,731 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:24,731 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:24,732 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:17:24,732 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:24,734 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:24,734 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:24,735 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:24,735 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:24,736 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:24,736 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:24,742 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:17:24,742 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:17:24,780 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:24,780 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:17:24,781 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:24,781 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:24,782 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:24,782 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:24,782 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:24,786 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:24,786 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:24,794 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:24,794 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:24,797 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:24,798 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:24,798 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:24,798 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:24,806 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:24,807 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:24,831 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:24,832 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:24,833 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:24,833 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:24,833 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:24,833 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:24,833 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:24,836 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:17:24,839 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:24,840 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:24,841 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:24,841 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:24,843 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:24,843 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:24,843 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:24,853 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:24,854 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:25,036 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:25,036 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:17:25,036 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:25,039 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:25,044 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:25,045 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:25,045 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:25,051 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:17:25,052 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:17:25,065 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:25,066 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:25,066 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:25,070 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:25,070 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:25,070 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:25,076 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:17:25,077 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:17:25,089 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:25,091 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:25,093 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:25,093 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:25,094 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:25,094 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:25,094 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:25,095 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:17:25,095 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:25,100 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:25,101 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:25,103 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:25,107 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:25,108 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:25,108 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:25,120 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:17:25,123 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:17:25,187 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:25,189 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:17:25,190 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:25,191 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:25,191 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:25,191 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:25,191 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:25,192 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:25,194 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:17:25,194 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:17:25,203 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:25,204 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:25,205 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:25,205 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:25,205 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:25,205 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:25,205 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:25,208 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:17:25,209 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:17:25,223 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:25,225 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:25,225 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:25,226 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:25,226 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:25,226 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:25,226 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:25,226 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:25,228 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:17:25,228 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:25,229 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:25,230 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:25,231 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:25,231 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:25,231 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:25,231 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:25,231 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:25,238 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:17:25,238 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:17:25,264 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:25,265 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:17:25,265 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:25,266 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:25,266 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:17:25,267 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:25,267 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:25,267 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:25,269 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:25,270 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:25,276 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:25,276 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:25,277 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:25,277 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:17:25,278 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:25,278 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:25,278 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:25,280 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:25,281 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:25,289 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:25,290 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:25,290 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:25,291 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:17:25,291 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:25,291 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:25,291 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:25,291 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:25,293 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:17:25,293 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:25,295 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:25,295 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:25,296 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:25,296 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:17:25,296 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:25,297 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:25,297 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:25,301 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:25,301 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:25,330 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:25,331 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:17:25,331 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:25,332 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:25,332 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:25,332 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:25,332 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:25,333 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:25,336 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:17:25,336 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:17:25,345 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:25,346 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:25,347 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:25,347 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:25,347 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:25,347 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:25,347 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:25,351 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:17:25,351 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:17:25,361 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:25,362 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:25,363 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:25,363 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:25,363 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:25,363 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:25,364 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:25,364 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:25,365 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:17:25,365 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:25,366 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:25,367 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:25,368 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:25,368 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:25,368 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:25,368 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:25,368 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:25,374 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:17:25,375 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:17:25,407 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:25,407 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:17:25,408 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:25,409 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:25,409 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:25,409 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:25,409 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:25,409 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:25,411 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:25,411 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:25,416 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:25,416 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:25,417 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:25,417 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:25,417 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:25,417 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:25,418 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:25,419 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:25,419 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:25,424 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:25,425 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:25,426 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:25,426 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:25,426 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:25,426 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:25,426 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:25,427 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:25,427 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:17:25,427 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:25,429 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:25,430 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:25,431 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:25,431 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:25,431 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:25,431 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:25,431 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:25,436 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:25,437 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:25,480 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:25,480 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:17:25,481 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:25,481 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:25,481 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:25,484 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:25,484 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:25,484 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:17:25,487 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 23:17:25,488 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 23:17:25,495 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:25,496 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:25,497 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:25,497 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:25,497 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:25,497 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:25,497 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:17:25,503 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 23:17:25,503 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 23:17:25,511 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:25,511 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 [2018-11-28 23:17:25,512 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:25,512 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:25,512 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:25,515 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:25,515 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:25,515 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:17:25,517 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:17:25,518 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:25,520 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:25,525 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:25,530 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:25,530 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:25,531 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:25,531 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:25,531 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:17:25,543 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 23:17:25,544 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 23:17:25,753 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:25,755 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-28 23:17:25,755 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~a~0, main_~b~0;havoc main_~a~0;havoc main_~b~0;main_~a~0 := 1;main_~b~0 := 2; 8#L11-2true assume !!(main_~a~0 + main_~b~0 < 5);main_~a~0 := main_~a~0 - main_~b~0;main_~b~0 := main_~a~0 + main_~b~0;main_~a~0 := main_~b~0 - main_~a~0; 8#L11-2true [2018-11-28 23:17:25,755 INFO L796 eck$LassoCheckResult]: Loop: 8#L11-2true assume !!(main_~a~0 + main_~b~0 < 5);main_~a~0 := main_~a~0 - main_~b~0;main_~b~0 := main_~a~0 + main_~b~0;main_~a~0 := main_~b~0 - main_~a~0; 8#L11-2true [2018-11-28 23:17:25,755 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:17:25,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2018-11-28 23:17:25,757 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:17:25,757 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:17:25,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:25,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:17:25,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:25,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:17:25,769 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2018-11-28 23:17:25,770 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:17:25,770 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:17:25,772 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:25,776 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:17:25,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:25,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:17:25,783 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2018-11-28 23:17:25,783 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:17:25,783 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:17:25,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:25,787 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:17:25,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:17:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:17:25,897 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-28 23:17:26,000 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-11-28 23:17:26,292 WARN L180 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 13 [2018-11-28 23:17:26,341 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:17:26,341 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:17:26,341 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:17:26,341 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:17:26,341 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:17:26,342 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:26,342 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:17:26,342 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:17:26,342 INFO L131 ssoRankerPreferences]: Filename of dumped script: NO_24_false-termination_true-no-overflow.c_Iteration1_Lasso [2018-11-28 23:17:26,342 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:17:26,342 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:17:26,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:26,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:26,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:26,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:26,703 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-11-28 23:17:26,778 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:17:26,778 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:26,784 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:17:26,784 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:17:26,806 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:17:26,806 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2018-11-28 23:17:26,820 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:17:26,820 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:26,834 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:17:26,834 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:26,861 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:17:26,861 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:26,904 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:17:26,904 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:17:27,259 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:17:27,262 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:17:27,262 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:17:27,263 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:17:27,263 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:17:27,263 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:17:27,263 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:17:27,263 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:17:27,263 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:17:27,263 INFO L131 ssoRankerPreferences]: Filename of dumped script: NO_24_false-termination_true-no-overflow.c_Iteration1_Lasso [2018-11-28 23:17:27,263 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:17:27,264 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:17:27,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:27,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:27,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:27,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:17:27,631 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-28 23:17:27,787 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-11-28 23:17:27,926 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:17:27,927 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:17:27,927 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:27,928 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:27,928 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:27,928 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:27,928 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:17:27,932 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:17:27,932 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:17:27,935 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:27,935 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:27,936 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:27,936 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:27,936 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:27,936 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:27,936 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:17:27,936 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:17:27,936 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:27,940 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:27,940 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:27,940 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:27,941 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:27,941 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:27,941 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:17:27,941 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:17:27,944 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:17:27,946 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:27,948 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:27,948 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:27,948 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:27,948 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:27,949 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:17:27,952 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:17:27,952 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:17:27,959 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:27,959 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:17:27,960 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:27,960 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:27,960 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:27,961 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:27,961 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:27,964 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:17:27,964 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:17:27,966 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:27,966 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 [2018-11-28 23:17:27,966 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:27,967 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:27,969 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:27,969 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:27,969 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:27,969 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:17:27,970 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:27,971 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:27,971 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:27,973 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:27,974 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:27,974 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:27,974 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:27,976 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:17:27,976 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:17:27,979 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:27,979 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:27,980 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:27,980 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:27,980 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:27,980 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:27,984 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:17:27,984 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:17:27,992 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:27,992 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:17:27,993 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:27,993 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:27,994 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:27,996 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:27,996 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:27,997 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:27,997 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:28,001 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,001 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:28,002 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:28,002 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:28,002 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,003 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,003 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:28,003 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:17:28,003 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:28,004 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,006 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:28,007 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:28,007 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,007 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,007 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:28,011 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:28,011 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:28,015 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,016 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:28,016 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:28,017 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,017 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,017 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:28,021 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:28,022 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:28,037 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,038 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:17:28,039 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:28,039 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:28,040 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,040 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,040 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:28,044 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:17:28,044 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:17:28,047 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,048 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:28,050 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:28,051 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:28,051 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,051 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,051 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:28,052 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:17:28,052 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:28,054 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,055 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:28,057 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:28,057 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,057 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,057 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:28,060 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:17:28,060 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:17:28,065 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,066 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:28,068 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:17:28,071 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,071 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,071 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:28,075 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:17:28,075 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:17:28,091 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,092 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:17:28,092 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:28,093 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:28,093 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:28,093 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,093 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,093 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:28,097 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:17:28,098 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:17:28,104 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,104 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:28,107 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:28,107 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:28,107 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:28,107 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,107 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,107 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:28,108 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:17:28,108 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:28,111 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,111 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:28,114 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:28,114 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:28,114 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,115 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,115 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:28,116 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:17:28,116 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:17:28,122 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,122 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:28,123 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:28,123 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:28,124 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,124 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,124 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:17:28,129 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:17:28,129 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:17:28,141 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,141 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:17:28,142 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 [2018-11-28 23:17:28,142 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:28,145 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:17:28,145 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,145 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,145 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:28,148 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:28,148 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:28,153 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,154 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:28,154 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:28,154 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:17:28,157 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:28,157 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,157 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,157 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:28,159 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:17:28,159 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:28,161 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,162 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:28,162 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:28,162 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:17:28,163 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,163 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,163 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:28,168 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:28,168 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:28,174 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,175 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:28,175 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:28,176 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:17:28,176 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,176 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,176 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:28,182 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:28,182 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:28,198 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,199 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:17:28,199 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:28,200 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:28,200 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:28,200 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,200 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,201 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:28,207 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:17:28,207 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:17:28,214 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,215 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:28,215 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:28,215 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:28,216 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:28,219 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,219 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,219 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:28,220 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:17:28,220 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:28,223 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,223 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 [2018-11-28 23:17:28,226 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:28,227 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:28,227 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,227 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,227 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:28,232 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:17:28,232 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:17:28,241 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,241 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:28,242 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:28,243 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:28,246 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,246 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,246 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:17:28,253 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:17:28,254 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:17:28,359 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,360 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:17:28,361 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:28,361 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:28,364 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:28,365 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,366 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,366 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:28,370 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:28,370 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:28,373 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,374 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:28,374 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:28,374 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:28,374 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:28,375 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,375 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,375 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:28,375 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:17:28,375 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:28,376 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,377 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:28,377 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:28,377 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:28,377 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,378 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,378 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:28,379 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:28,379 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:28,382 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,383 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:28,383 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:28,383 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:17:28,384 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,384 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,384 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:17:28,386 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:17:28,386 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:17:28,408 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,408 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:17:28,409 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:28,409 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:28,409 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:28,410 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,410 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,410 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:17:28,411 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 23:17:28,411 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 23:17:28,416 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,416 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:28,417 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:28,417 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:28,417 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:17:28,418 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,420 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,420 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:17:28,420 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:17:28,420 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:17:28,424 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,425 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:28,425 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:28,425 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:28,428 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,429 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,429 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:17:28,431 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 23:17:28,431 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 23:17:28,438 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,439 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:17:28,439 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:17:28,440 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:17:28,440 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:17:28,440 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:17:28,440 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:17:28,447 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 23:17:28,448 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 23:17:28,554 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:17:28,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:17:28 BoogieIcfgContainer [2018-11-28 23:17:28,564 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:17:28,564 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:17:28,564 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:17:28,565 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:17:28,565 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:17:22" (3/4) ... [2018-11-28 23:17:28,573 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:17:28,574 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:17:28,575 INFO L168 Benchmark]: Toolchain (without parser) took 6511.43 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 238.6 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -201.0 MB). Peak memory consumption was 37.5 MB. Max. memory is 11.5 GB. [2018-11-28 23:17:28,578 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:17:28,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.33 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:17:28,580 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.17 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:17:28,581 INFO L168 Benchmark]: Boogie Preprocessor took 25.44 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:17:28,581 INFO L168 Benchmark]: RCFGBuilder took 302.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -182.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:17:28,586 INFO L168 Benchmark]: BuchiAutomizer took 5868.98 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 100.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -29.1 MB). Peak memory consumption was 335.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:17:28,588 INFO L168 Benchmark]: Witness Printer took 10.14 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:17:28,596 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 262.33 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 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 36.17 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.44 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 302.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -182.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5868.98 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 100.1 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -29.1 MB). Peak memory consumption was 335.7 MB. Max. memory is 11.5 GB. * Witness Printer took 10.14 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 5.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital23 mio100 ax152 hnf100 lsp65 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq186 hnf90 smp100 dnf100 smp100 tf100 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 7ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_~a~0, main_~b~0;havoc main_~a~0;havoc main_~b~0;main_~a~0 := 1;main_~b~0 := 2;" "assume !!(main_~a~0 + main_~b~0 < 5);main_~a~0 := main_~a~0 - main_~b~0;main_~b~0 := main_~a~0 + main_~b~0;main_~a~0 := main_~b~0 - main_~a~0;" Loop: "assume !!(main_~a~0 + main_~b~0 < 5);main_~a~0 := main_~a~0 - main_~b~0;main_~b~0 := main_~a~0 + main_~b~0;main_~a~0 := main_~b~0 - main_~a~0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...