./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-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-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-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 bc157475d6c321934f68f6b441d83c0582720461 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:15:17,347 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:15:17,349 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:15:17,365 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:15:17,365 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:15:17,366 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:15:17,368 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:15:17,369 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:15:17,371 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:15:17,372 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:15:17,373 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:15:17,373 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:15:17,374 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:15:17,375 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:15:17,376 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:15:17,377 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:15:17,378 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:15:17,380 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:15:17,382 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:15:17,383 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:15:17,384 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:15:17,385 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:15:17,388 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:15:17,388 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:15:17,389 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:15:17,390 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:15:17,391 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:15:17,391 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:15:17,392 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:15:17,393 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:15:17,394 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:15:17,394 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:15:17,395 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:15:17,395 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:15:17,396 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:15:17,397 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:15:17,397 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-28 23:15:17,415 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:15:17,415 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:15:17,417 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:15:17,417 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:15:17,417 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:15:17,417 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:15:17,417 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:15:17,418 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:15:17,418 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:15:17,418 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:15:17,418 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:15:17,418 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:15:17,419 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:15:17,419 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:15:17,419 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:15:17,419 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:15:17,419 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:15:17,419 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:15:17,420 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:15:17,420 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:15:17,420 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:15:17,420 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:15:17,420 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:15:17,421 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:15:17,421 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:15:17,421 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:15:17,421 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:15:17,421 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:15:17,422 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:15:17,422 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 -> bc157475d6c321934f68f6b441d83c0582720461 [2018-11-28 23:15:17,477 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:15:17,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:15:17,494 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:15:17,496 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:15:17,496 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:15:17,497 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c [2018-11-28 23:15:17,559 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bac7c6c7a/d19255b7de234e04a926a7aa9c75f951/FLAG28642ddf3 [2018-11-28 23:15:18,018 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:15:18,019 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c [2018-11-28 23:15:18,025 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bac7c6c7a/d19255b7de234e04a926a7aa9c75f951/FLAG28642ddf3 [2018-11-28 23:15:18,383 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bac7c6c7a/d19255b7de234e04a926a7aa9c75f951 [2018-11-28 23:15:18,388 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:15:18,390 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:15:18,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:15:18,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:15:18,396 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:15:18,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:15:18" (1/1) ... [2018-11-28 23:15:18,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ef72e64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:18, skipping insertion in model container [2018-11-28 23:15:18,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:15:18" (1/1) ... [2018-11-28 23:15:18,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:15:18,430 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:15:18,657 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:15:18,663 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:15:18,684 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:15:18,703 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:15:18,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:18 WrapperNode [2018-11-28 23:15:18,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:15:18,705 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:15:18,705 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:15:18,705 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:15:18,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:18" (1/1) ... [2018-11-28 23:15:18,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:18" (1/1) ... [2018-11-28 23:15:18,744 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:15:18,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:15:18,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:15:18,745 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:15:18,756 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:18" (1/1) ... [2018-11-28 23:15:18,756 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:18" (1/1) ... [2018-11-28 23:15:18,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:18" (1/1) ... [2018-11-28 23:15:18,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:18" (1/1) ... [2018-11-28 23:15:18,759 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:18" (1/1) ... [2018-11-28 23:15:18,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:18" (1/1) ... [2018-11-28 23:15:18,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:18" (1/1) ... [2018-11-28 23:15:18,770 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:15:18,771 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:15:18,771 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:15:18,771 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:15:18,772 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:18" (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 23:15:18,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:15:18,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:15:19,186 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:15:19,186 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-11-28 23:15:19,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:15:19 BoogieIcfgContainer [2018-11-28 23:15:19,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:15:19,190 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:15:19,191 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:15:19,196 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:15:19,197 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:15:19,197 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:15:18" (1/3) ... [2018-11-28 23:15:19,198 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@776d65ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:15:19, skipping insertion in model container [2018-11-28 23:15:19,198 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:15:19,199 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:15:18" (2/3) ... [2018-11-28 23:15:19,199 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@776d65ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:15:19, skipping insertion in model container [2018-11-28 23:15:19,199 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:15:19,199 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:15:19" (3/3) ... [2018-11-28 23:15:19,202 INFO L375 chiAutomizerObserver]: Analyzing ICFG KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c [2018-11-28 23:15:19,278 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:15:19,279 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:15:19,279 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:15:19,280 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:15:19,280 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:15:19,280 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:15:19,280 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:15:19,280 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:15:19,280 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:15:19,297 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 23:15:19,324 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 23:15:19,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:15:19,324 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:15:19,334 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:15:19,334 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 23:15:19,334 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:15:19,334 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 23:15:19,335 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 23:15:19,336 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:15:19,336 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:15:19,336 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:15:19,336 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 23:15:19,345 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 7#L23-1true [2018-11-28 23:15:19,346 INFO L796 eck$LassoCheckResult]: Loop: 7#L23-1true assume !!(main_~x~0 < 255); 9#L18true assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 5#L18-2true assume 0 != main_~debug~0;main_~x~0 := 0; 7#L23-1true [2018-11-28 23:15:19,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:15:19,354 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 23:15:19,356 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:15:19,357 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:15:19,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:19,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:15:19,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:19,463 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:15:19,464 INFO L82 PathProgramCache]: Analyzing trace with hash 39823, now seen corresponding path program 1 times [2018-11-28 23:15:19,464 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:15:19,464 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:15:19,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:19,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:15:19,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:19,517 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:15:19,517 INFO L82 PathProgramCache]: Analyzing trace with hash 963344, now seen corresponding path program 1 times [2018-11-28 23:15:19,518 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:15:19,518 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:15:19,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:19,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:15:19,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:15:19,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:15:19,616 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:15:19,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-11-28 23:15:19,930 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 14 [2018-11-28 23:15:19,943 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:15:19,944 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:15:19,944 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:15:19,944 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:15:19,944 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:15:19,944 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:19,945 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:15:19,945 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:15:19,945 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-28 23:15:19,945 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:15:19,946 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:15:19,968 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 23:15:20,022 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 23:15:20,041 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 23:15:20,350 WARN L180 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2018-11-28 23:15:20,510 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:15:20,511 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:20,516 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:15:20,517 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 23:15:20,543 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:15:20,543 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:15:21,485 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:15:21,487 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:15:21,488 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:15:21,488 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:15:21,488 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:15:21,488 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:15:21,488 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:21,488 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:15:21,489 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:15:21,489 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration1_Loop [2018-11-28 23:15:21,489 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:15:21,489 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:15:21,491 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 23:15:21,503 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 23:15:21,514 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 23:15:21,699 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2018-11-28 23:15:21,816 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:15:21,820 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:15:21,822 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:21,823 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:21,824 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:21,825 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:21,825 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:21,825 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:15:21,828 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:15:21,828 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:21,838 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:21,838 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:21,839 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:21,839 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:21,839 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:21,839 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:15:21,840 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:15:21,842 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:21,842 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:21,844 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:21,844 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:21,845 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:21,845 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:21,845 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:21,846 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:21,847 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:15:21,847 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:15:21,847 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:21,849 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:21,850 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:15:21,850 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:21,851 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:21,851 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:21,851 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:21,851 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:21,851 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:21,854 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:21,855 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:21,871 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:21,872 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:21,872 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:21,872 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:21,874 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:21,874 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:15:21,874 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:21,877 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:15:21,878 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:21,880 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:21,880 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:21,882 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:21,882 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:21,882 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:21,883 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:21,883 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:21,884 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:21,884 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:21,885 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:21,885 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:15:21,886 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:21,886 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:21,887 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:21,888 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:21,888 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:21,888 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:21,891 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:21,891 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:21,905 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:21,906 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:21,906 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:21,906 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:21,907 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:21,907 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:15:21,907 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:21,910 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 23:15:21,910 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:21,912 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:21,912 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:21,913 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:21,913 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:21,913 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:21,915 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:21,915 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:21,916 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:21,916 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:21,918 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:21,918 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:15:21,919 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:21,919 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:21,921 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:21,921 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:21,921 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:21,921 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:21,924 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:21,925 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:21,955 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:21,958 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:21,959 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:21,959 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:21,959 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:21,959 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:15:21,962 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:21,964 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-11-28 23:15:21,964 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:21,970 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:21,972 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:21,976 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:21,977 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:21,977 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:21,977 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:21,977 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:21,979 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:21,983 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:21,984 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:21,984 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:15:21,985 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:21,989 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:21,992 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:21,992 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:21,992 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:21,992 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:21,993 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:21,996 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:21,997 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,012 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,013 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:22,015 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:22,015 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:22,015 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:22,016 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,016 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:15:22,016 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:22,019 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:15:22,019 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,040 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,042 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:22,043 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:22,043 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:22,043 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:22,046 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,046 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:22,046 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:22,047 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:22,048 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,054 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,055 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:15:22,055 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 23:15:22,057 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:22,057 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:15:22,058 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:22,058 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,058 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:22,058 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:22,062 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:22,062 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,102 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,103 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:22,105 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:22,105 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:15:22,106 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:22,106 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,106 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:15:22,106 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:22,110 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 23:15:22,111 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,133 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,135 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:22,136 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:22,138 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:15:22,139 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:22,139 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,139 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:22,139 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:22,145 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:22,145 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,149 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,150 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:15:22,151 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:22,152 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:22,152 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:22,152 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:22,153 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,153 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:22,153 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:22,167 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:22,168 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,200 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,201 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:22,203 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:22,203 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:22,204 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:22,204 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,204 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:15:22,204 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:22,209 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-11-28 23:15:22,209 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,232 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,232 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:22,233 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:22,234 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:22,234 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:22,234 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,234 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:22,234 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:22,238 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:22,239 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,240 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,240 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:15:22,241 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 23:15:22,242 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:22,242 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:22,243 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:22,244 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,244 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:22,245 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:22,247 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:22,247 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,268 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,271 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:22,274 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:22,275 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:22,275 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:22,275 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,275 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:15:22,275 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:22,281 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-28 23:15:22,281 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,292 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,296 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:22,297 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:22,297 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:22,297 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:22,298 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,298 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:22,298 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:22,300 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:22,300 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,304 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,305 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:15:22,306 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:22,308 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:22,309 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:22,309 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:22,310 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,310 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:22,311 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:15:22,313 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:15:22,321 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,366 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,369 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:22,370 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:22,370 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:22,370 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:22,371 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,371 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-28 23:15:22,371 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:15:22,377 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:15:22,378 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,391 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,392 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:22,394 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:22,396 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:22,396 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:22,397 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:22,397 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:22,397 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:15:22,399 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:15:22,401 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:22,405 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:22,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:15:22,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:15:22,423 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2018-11-28 23:15:22,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:15:22,437 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-11-28 23:15:22,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:15:22,441 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. [2018-11-28 23:15:22,441 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 23:15:22,447 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 4 states and 5 transitions. [2018-11-28 23:15:22,449 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2018-11-28 23:15:22,449 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2018-11-28 23:15:22,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. [2018-11-28 23:15:22,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:15:22,451 INFO L705 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2018-11-28 23:15:22,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. [2018-11-28 23:15:22,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2018-11-28 23:15:22,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 23:15:22,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2018-11-28 23:15:22,485 INFO L728 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2018-11-28 23:15:22,485 INFO L608 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2018-11-28 23:15:22,485 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 23:15:22,485 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. [2018-11-28 23:15:22,486 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 23:15:22,486 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:15:22,486 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:15:22,486 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:15:22,486 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 23:15:22,487 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 28#L23-1 [2018-11-28 23:15:22,487 INFO L796 eck$LassoCheckResult]: Loop: 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2018-11-28 23:15:22,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:15:22,487 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2018-11-28 23:15:22,487 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:15:22,490 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:15:22,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:22,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:15:22,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:22,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:22,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:15:22,497 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 1 times [2018-11-28 23:15:22,497 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:15:22,497 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:15:22,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:22,499 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:15:22,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:22,513 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:15:22,513 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 1 times [2018-11-28 23:15:22,513 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:15:22,513 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:15:22,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:22,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:15:22,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:22,681 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:15:22,681 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:15:22,681 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:15:22,681 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:15:22,682 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:15:22,682 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:22,682 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:15:22,682 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:15:22,682 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Loop [2018-11-28 23:15:22,682 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:15:22,683 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:15:22,684 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 23:15:22,706 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 23:15:22,710 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 23:15:23,122 WARN L180 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 20 [2018-11-28 23:15:23,174 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:15:23,175 INFO L412 LassoAnalysis]: Checking for nontermination... 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 23:15:23,177 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:15:23,177 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 23:15:23,200 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:15:23,201 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:15:23,376 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:15:23,378 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:15:23,378 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:15:23,378 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:15:23,378 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:15:23,378 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:15:23,378 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:23,378 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:15:23,379 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:15:23,379 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Loop [2018-11-28 23:15:23,379 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:15:23,379 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:15:23,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:15:23,414 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 23:15:23,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:15:23,572 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 20 [2018-11-28 23:15:23,605 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:15:23,606 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:15:23,606 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 23:15:23,609 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:23,609 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,610 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,610 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,610 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:15:23,610 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:15:23,611 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,614 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,615 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:23,615 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:23,616 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,616 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,616 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,616 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:15:23,616 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:15:23,617 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,620 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,620 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 23:15:23,621 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:23,621 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,621 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,621 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,621 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:15:23,624 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:15:23,624 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,625 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,625 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:15:23,626 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:23,627 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:23,627 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,628 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,628 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,628 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:23,628 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:23,629 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,635 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,635 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:23,636 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:23,636 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,636 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,636 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,639 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:23,639 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:23,639 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,641 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,642 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:23,642 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:23,642 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,642 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,643 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,643 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:23,643 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:23,644 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,644 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,644 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:15:23,645 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:23,645 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:23,650 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,650 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,650 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,650 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:23,651 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:23,651 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,657 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,657 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:23,660 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:23,660 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,660 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,660 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,660 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:23,661 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:23,661 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,662 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,662 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:23,665 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:23,666 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,666 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,666 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,666 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:23,667 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:23,667 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,668 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,669 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:15:23,670 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:23,670 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:23,671 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,673 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,673 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,673 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:23,674 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:23,674 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,680 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,681 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:23,682 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:23,682 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,682 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,682 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,682 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:23,685 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:23,685 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,686 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,687 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:23,688 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:23,688 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,688 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,689 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,691 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:23,691 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:23,692 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,693 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,693 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:15:23,694 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:23,694 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:23,695 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:23,697 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,697 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,697 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,697 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:23,700 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:23,700 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,715 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,716 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:23,716 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:23,716 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:23,717 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,719 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,719 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,719 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:23,721 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:23,721 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,723 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,723 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:23,724 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:23,724 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:23,724 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,724 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,724 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,727 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:23,728 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:23,728 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,729 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,729 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:15:23,731 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:23,732 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:23,732 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:15:23,732 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,734 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,735 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,735 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:23,737 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:23,737 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,767 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,767 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:23,768 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:23,768 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:15:23,768 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,768 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,769 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,769 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:23,773 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:23,773 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,774 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,776 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:23,776 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:23,777 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:15:23,777 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,777 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,777 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,780 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:23,781 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:23,781 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,784 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,784 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:15:23,784 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:23,785 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:23,785 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:23,785 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,786 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,786 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,786 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:23,792 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:23,792 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,841 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,845 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:23,847 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:23,848 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:23,848 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,849 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,849 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,849 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:23,852 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:23,852 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,853 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,854 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:23,859 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:23,859 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:23,859 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,860 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,860 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,860 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:23,863 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:23,864 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,865 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,865 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:15:23,867 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:23,870 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:23,870 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:23,870 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,871 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,872 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,872 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:23,873 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:23,873 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,884 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,885 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:23,888 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:23,888 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:23,888 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,889 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,889 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,890 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:23,890 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:23,890 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,894 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,894 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:23,897 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:23,897 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:23,897 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,898 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,898 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,899 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:23,899 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:23,899 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,903 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,903 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:15:23,904 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:23,906 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:23,907 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:23,907 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,907 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,907 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,908 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:15:23,913 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:15:23,913 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,927 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,928 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:23,929 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:23,929 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:23,929 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,929 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,929 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,932 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:15:23,933 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:15:23,933 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,937 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:23,938 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:23,939 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:23,939 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:23,939 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:23,939 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:23,942 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:23,942 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:15:23,944 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:15:23,944 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:23,948 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:24,065 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:15:24,065 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:15:24,065 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:15:24,065 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:15:24,065 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:15:24,065 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:24,066 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:15:24,067 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:15:24,067 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Lasso [2018-11-28 23:15:24,067 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:15:24,068 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:15:24,070 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 23:15:24,095 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 23:15:24,123 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 23:15:24,136 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 23:15:24,138 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 23:15:24,318 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 20 [2018-11-28 23:15:24,359 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:15:24,359 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 23:15:24,364 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:15:24,364 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:15:24,370 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:15:24,370 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:24,392 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:15:24,392 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:15:24,410 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:15:24,411 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) [2018-11-28 23:15:24,464 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:15:24,464 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:24,480 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:15:24,480 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~debug~0=0} Honda state: {ULTIMATE.start_main_~debug~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /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) [2018-11-28 23:15:24,515 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:15:24,515 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:24,541 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:15:24,541 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1=0} Honda state: {ULTIMATE.start_main_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:24,590 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:15:24,590 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2018-11-28 23:15:24,637 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:15:24,638 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:24,844 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:15:24,847 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:15:24,847 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:15:24,847 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:15:24,847 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:15:24,847 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:15:24,847 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:24,848 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:15:24,848 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:15:24,848 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Lasso [2018-11-28 23:15:24,848 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:15:24,848 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:15:24,850 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 23:15:24,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:15:24,864 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 23:15:24,868 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 23:15:24,875 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 23:15:25,057 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 20 [2018-11-28 23:15:25,287 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:15:25,287 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:15:25,288 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,290 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:25,290 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,290 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,290 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,291 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:15:25,291 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:15:25,291 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,293 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,294 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,294 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:25,294 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,294 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,294 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:15:25,296 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:15:25,296 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:15:25,298 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,299 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:25,299 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:25,299 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,299 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,308 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,308 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:15:25,308 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:15:25,308 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,310 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,311 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,314 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:25,314 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,314 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,314 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,314 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:15:25,315 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:15:25,315 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,318 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,318 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,320 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:25,320 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,320 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,320 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,321 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:15:25,321 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:15:25,321 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,328 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,328 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:15:25,329 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,329 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:25,330 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,330 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,330 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,330 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:25,330 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:25,334 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,335 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,336 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,336 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:25,337 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,337 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,337 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:25,341 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:15:25,341 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:15:25,344 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,345 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,345 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:25,348 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,348 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,348 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,349 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:25,349 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:25,349 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,350 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,350 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:25,353 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:25,353 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,353 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,353 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,354 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:25,354 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:25,354 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,358 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,358 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,359 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:25,359 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,359 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,359 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,360 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:25,362 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:25,362 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,369 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,369 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:15:25,370 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,370 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:25,370 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,370 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,371 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,371 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:25,371 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:25,371 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,375 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,375 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,376 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:25,376 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,376 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,376 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:25,380 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:15:25,381 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:15:25,386 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,388 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,389 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:25,389 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,389 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,389 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,393 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:25,393 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:25,393 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,394 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,394 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,395 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:25,395 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,395 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,395 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,398 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:25,399 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:25,399 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,400 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,403 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,403 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:25,404 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,404 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,404 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,404 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:25,405 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:25,405 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,411 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,412 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:15:25,412 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,412 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:25,415 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,415 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,416 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,416 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:25,416 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:25,416 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,417 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,417 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,419 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:25,419 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,419 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,419 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:25,421 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:15:25,421 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:15:25,424 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,424 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,425 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:25,425 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,425 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,425 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,425 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:25,426 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:25,426 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,427 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,427 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,428 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:25,428 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,428 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,428 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,429 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:25,429 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:25,429 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,430 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,430 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 23:15:25,431 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:25,431 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,431 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,431 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,432 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:25,433 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:25,433 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,437 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,437 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:15:25,437 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,438 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:25,438 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:25,438 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,438 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,439 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,439 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:25,439 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:25,439 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,440 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,448 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,449 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:25,449 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:25,452 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,452 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,452 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:25,454 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:15:25,454 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:15:25,457 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,458 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,458 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:25,459 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:25,459 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,459 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,459 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,459 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:25,460 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:25,460 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,461 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,461 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,461 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:25,462 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:25,462 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,462 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,462 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,462 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:25,463 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:25,463 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,464 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,464 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:25,465 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:25,465 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:25,465 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,465 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,465 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,465 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:25,466 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:25,467 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,475 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,475 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:15:25,475 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:25,477 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:25,477 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:15:25,477 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,478 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,478 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,478 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:25,479 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:25,479 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,480 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,480 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,481 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:25,481 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:15:25,481 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,481 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,481 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:25,485 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:15:25,485 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:15:25,490 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,491 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:25,491 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:25,491 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:15:25,492 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,492 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,492 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,492 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:25,493 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:25,493 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,494 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,494 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:25,495 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:25,495 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:15:25,495 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,496 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,496 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,496 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:25,497 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:25,498 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,499 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,499 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:25,500 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:25,500 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:15:25,500 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,500 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,501 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,501 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:25,507 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:25,507 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,558 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,558 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:15:25,558 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,565 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:25,565 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:25,565 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,566 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,566 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,566 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:25,567 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:25,567 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,571 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,571 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,575 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:25,575 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:25,575 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,576 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,576 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:25,581 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:15:25,582 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:15:25,667 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,668 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:25,669 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:25,672 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:25,672 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,673 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,673 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,673 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:25,674 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:25,676 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,677 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,677 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:25,678 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:25,678 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:25,678 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,683 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,683 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,683 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:25,686 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:25,686 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,687 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,688 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,689 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:25,691 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:25,691 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,692 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,692 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,692 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:25,697 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:25,697 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,722 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,722 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:15:25,724 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,724 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:25,725 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:25,725 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,725 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,725 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,725 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:25,725 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:25,726 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,737 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,738 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,738 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:25,739 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:25,739 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,739 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,739 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:25,745 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:15:25,745 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:15:25,751 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,751 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:25,751 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:25,752 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:25,755 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,755 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,755 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,755 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:25,756 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:25,756 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,757 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,758 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,758 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:25,758 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:25,758 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,759 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,764 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,764 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:25,765 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:25,765 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,770 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,770 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,771 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:25,773 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:25,773 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,773 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,774 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,774 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:25,776 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:25,776 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,795 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,795 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:15:25,795 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:25,796 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:25,796 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:25,796 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,796 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,796 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,797 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:15:25,804 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:15:25,804 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,812 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,812 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:25,813 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:25,813 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:25,813 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,813 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,813 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:15:25,821 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 23:15:25,821 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 23:15:25,840 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,840 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:25,841 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:25,841 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:25,841 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,841 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,841 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,841 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:15:25,847 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:15:25,847 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,849 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,853 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:25,853 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:25,853 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:25,854 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,854 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,854 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,854 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:15:25,859 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:15:25,859 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,864 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,864 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:25,867 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:25,867 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:25,867 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:25,868 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:25,868 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:25,868 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:15:25,869 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:15:25,869 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:25,883 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:25,883 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-28 23:15:25,883 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2018-11-28 23:15:25,884 INFO L796 eck$LassoCheckResult]: Loop: 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2018-11-28 23:15:25,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:15:25,887 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 2 times [2018-11-28 23:15:25,887 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:15:25,887 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:15:25,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:25,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:15:25,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:25,909 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:15:25,912 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 2 times [2018-11-28 23:15:25,912 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:15:25,912 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:15:25,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:25,913 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:15:25,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:25,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:15:25,926 INFO L82 PathProgramCache]: Analyzing trace with hash -1365720352, now seen corresponding path program 3 times [2018-11-28 23:15:25,926 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:15:25,927 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:15:25,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:25,930 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:15:25,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:15:26,090 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:15:26,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 23:15:26,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 23:15:26,215 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-11-28 23:15:26,344 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-11-28 23:15:26,357 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:15:26,357 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:15:26,358 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:15:26,358 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:15:26,358 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:15:26,358 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:26,358 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:15:26,358 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:15:26,358 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Loop [2018-11-28 23:15:26,358 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:15:26,358 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:15:26,363 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 23:15:26,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:15:26,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:15:26,760 WARN L180 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 20 [2018-11-28 23:15:26,791 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:15:26,792 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2018-11-28 23:15:26,801 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:15:26,801 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:26,827 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:15:26,828 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:15:27,012 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:15:27,015 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:15:27,015 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:15:27,015 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:15:27,015 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:15:27,015 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:15:27,015 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:27,015 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:15:27,015 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:15:27,016 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Loop [2018-11-28 23:15:27,016 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:15:27,016 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:15:27,017 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 23:15:27,129 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 23:15:27,154 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 23:15:27,356 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:15:27,357 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:15:27,357 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:27,357 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:27,358 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,358 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,358 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,358 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:15:27,358 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:15:27,359 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,361 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,361 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 23:15:27,361 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:27,362 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,362 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,362 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,362 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:15:27,362 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:15:27,362 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,363 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,363 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:27,364 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:27,364 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,364 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,364 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,364 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:15:27,364 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:15:27,365 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,365 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,365 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:15:27,366 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:27,366 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:27,366 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,366 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,366 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,366 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:27,367 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:27,367 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,369 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,370 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:27,370 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:27,370 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,370 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,371 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,371 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:27,371 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:27,371 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,372 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,372 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:27,372 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:27,373 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,373 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,373 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,373 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:27,374 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:27,374 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,374 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,374 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:15:27,375 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:27,375 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:27,375 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,375 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,375 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,376 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:27,376 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:27,376 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,379 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,379 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:27,380 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:27,380 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,380 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,380 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,380 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:27,381 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:27,381 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,381 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,382 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:27,382 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:27,382 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,382 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,382 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,383 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:27,383 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:27,383 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,384 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,384 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:15:27,384 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:27,384 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:27,385 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,385 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,385 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,385 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:27,386 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:27,386 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,389 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,389 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:27,392 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:27,392 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,392 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,392 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,392 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:27,393 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:27,393 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,394 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,394 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:27,394 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:27,400 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,400 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,400 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,400 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:27,401 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:27,401 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,401 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,401 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:15:27,402 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:27,402 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:27,402 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:27,402 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,402 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,402 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,406 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:27,407 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:27,407 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,418 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,418 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:27,422 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:27,422 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:27,422 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,423 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,423 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,423 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:27,423 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:27,424 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,427 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,428 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:27,428 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:27,428 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:27,428 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,431 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,431 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,431 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:15:27,431 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:15:27,431 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,432 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,432 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:15:27,434 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:27,434 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:27,435 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:15:27,435 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,435 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,435 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,435 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:27,440 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:27,440 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,468 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,472 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:27,473 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:27,473 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:15:27,473 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,473 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,473 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,473 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:27,476 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:27,476 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,478 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,478 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:27,482 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:27,482 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:15:27,482 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,483 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,483 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,483 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:27,486 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:27,486 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,487 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,488 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:15:27,490 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:27,491 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:27,491 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:27,491 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,491 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,491 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,491 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:27,496 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:27,496 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,552 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,553 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:27,553 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:27,553 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:27,553 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,553 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,560 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,560 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:27,561 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:27,561 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,565 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,565 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:27,566 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:27,566 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:27,566 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,566 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,566 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,566 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:15:27,570 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:15:27,570 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,571 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,571 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:15:27,571 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:27,577 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:27,577 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:27,577 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,577 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,577 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,577 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:27,578 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:27,578 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,588 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,588 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:27,588 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:27,588 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:27,589 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,589 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,589 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,589 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:27,589 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:27,589 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,591 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,591 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:27,591 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:27,591 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:15:27,592 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,592 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,592 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,592 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:15:27,592 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:15:27,592 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,595 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,595 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:15:27,595 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:27,596 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:27,596 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:27,596 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,596 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,596 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,596 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:15:27,597 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:15:27,598 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,606 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,606 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 23:15:27,607 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:27,607 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:27,607 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,607 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,607 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,607 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:15:27,608 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:15:27,608 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,610 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,611 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:27,611 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:15:27,611 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:15:27,611 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:27,611 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:27,611 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:27,612 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:15:27,612 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:15:27,612 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:27,623 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:27,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 23:15:27,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 23:15:27,624 INFO L87 Difference]: Start difference. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand 3 states. [2018-11-28 23:15:27,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 23:15:27,687 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2018-11-28 23:15:27,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 23:15:27,688 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. [2018-11-28 23:15:27,688 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 23:15:27,690 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 7 transitions. [2018-11-28 23:15:27,690 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2018-11-28 23:15:27,690 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2018-11-28 23:15:27,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2018-11-28 23:15:27,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:15:27,690 INFO L705 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2018-11-28 23:15:27,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2018-11-28 23:15:27,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-11-28 23:15:27,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-11-28 23:15:27,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2018-11-28 23:15:27,693 INFO L728 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2018-11-28 23:15:27,693 INFO L608 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2018-11-28 23:15:27,693 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 23:15:27,693 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2018-11-28 23:15:27,693 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-11-28 23:15:27,694 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:15:27,694 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:15:27,695 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-28 23:15:27,695 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-28 23:15:27,695 INFO L794 eck$LassoCheckResult]: Stem: 54#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 55#L23-1 assume !!(main_~x~0 < 255); 57#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 52#L18-2 [2018-11-28 23:15:27,695 INFO L796 eck$LassoCheckResult]: Loop: 52#L18-2 assume !(0 != main_~debug~0); 53#L23-1 assume !!(main_~x~0 < 255); 56#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 52#L18-2 [2018-11-28 23:15:27,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:15:27,695 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2018-11-28 23:15:27,695 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:15:27,696 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:15:27,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:27,696 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:15:27,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:27,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:15:27,701 INFO L82 PathProgramCache]: Analyzing trace with hash 50297, now seen corresponding path program 1 times [2018-11-28 23:15:27,701 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:15:27,702 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:15:27,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:27,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:15:27,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:27,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:15:27,708 INFO L82 PathProgramCache]: Analyzing trace with hash 925835413, now seen corresponding path program 1 times [2018-11-28 23:15:27,708 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:15:27,708 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:15:27,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:27,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:15:27,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:15:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:15:27,846 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-28 23:15:27,959 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-28 23:15:27,978 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:15:27,978 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:15:27,978 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:15:27,978 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:15:27,979 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:15:27,979 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:27,979 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:15:27,979 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:15:27,979 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration3_Loop [2018-11-28 23:15:27,979 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:15:27,979 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:15:27,980 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 23:15:28,005 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 23:15:28,125 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-28 23:15:28,342 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 19 [2018-11-28 23:15:28,362 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:15:28,363 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:28,368 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:15:28,368 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:15:28,376 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:15:28,376 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~debug~0=0} Honda state: {ULTIMATE.start_main_~debug~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:28,406 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:15:28,406 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:28,438 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:15:28,438 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:15:28,488 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-28 23:15:28,491 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:15:28,492 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:15:28,492 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:15:28,492 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:15:28,492 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:15:28,492 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:15:28,492 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:15:28,492 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:15:28,492 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration3_Loop [2018-11-28 23:15:28,492 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:15:28,493 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:15:28,501 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 23:15:28,513 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 23:15:28,680 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 18 [2018-11-28 23:15:28,699 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:15:28,700 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:15:28,700 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:15:28,701 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:28,701 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:28,701 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:28,702 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:28,702 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:15:28,702 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:15:28,702 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:28,703 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:15:28,703 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 23:15:28,704 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:15:28,704 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:15:28,704 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:15:28,704 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:15:28,704 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:15:28,705 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:15:28,705 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:15:28,707 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-28 23:15:28,708 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-28 23:15:28,709 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-11-28 23:15:28,711 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-28 23:15:28,711 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-11-28 23:15:28,711 INFO L518 LassoAnalysis]: Proved termination. [2018-11-28 23:15:28,712 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~x~0 + 255 Supporting invariants [] [2018-11-28 23:15:28,713 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-11-28 23:15:29,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:15:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:15:29,047 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:15:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 23:15:29,071 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 23:15:29,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 23:15:29,246 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2018-11-28 23:15:29,247 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand 4 states. [2018-11-28 23:15:29,345 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand 4 states. Result 12 states and 14 transitions. Complement of second has 6 states. [2018-11-28 23:15:29,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2018-11-28 23:15:29,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-11-28 23:15:29,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2018-11-28 23:15:29,348 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2018-11-28 23:15:29,349 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:15:29,349 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2018-11-28 23:15:29,350 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:15:29,350 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2018-11-28 23:15:29,350 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-28 23:15:29,350 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2018-11-28 23:15:29,351 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:15:29,351 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2018-11-28 23:15:29,351 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-28 23:15:29,352 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-28 23:15:29,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-28 23:15:29,352 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 23:15:29,352 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:15:29,352 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:15:29,352 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 23:15:29,352 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-11-28 23:15:29,352 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-28 23:15:29,352 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-28 23:15:29,352 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-28 23:15:29,360 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:15:29 BoogieIcfgContainer [2018-11-28 23:15:29,360 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:15:29,361 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:15:29,361 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:15:29,361 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:15:29,362 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:15:19" (3/4) ... [2018-11-28 23:15:29,366 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:15:29,366 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:15:29,367 INFO L168 Benchmark]: Toolchain (without parser) took 10978.29 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 222.3 MB). Free memory was 952.7 MB in the beginning and 1.0 GB in the end (delta: -53.0 MB). Peak memory consumption was 169.3 MB. Max. memory is 11.5 GB. [2018-11-28 23:15:29,368 INFO L168 Benchmark]: CDTParser took 0.17 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 23:15:29,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.17 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:15:29,369 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.60 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:15:29,370 INFO L168 Benchmark]: Boogie Preprocessor took 25.63 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:15:29,370 INFO L168 Benchmark]: RCFGBuilder took 418.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -159.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:15:29,371 INFO L168 Benchmark]: BuchiAutomizer took 10171.03 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 1.0 GB in the end (delta: 95.9 MB). Peak memory consumption was 196.1 MB. Max. memory is 11.5 GB. [2018-11-28 23:15:29,372 INFO L168 Benchmark]: Witness Printer took 5.12 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:15:29,376 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 313.17 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 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 39.60 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.63 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 418.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -159.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 10171.03 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 1.0 GB in the end (delta: 95.9 MB). Peak memory consumption was 196.1 MB. Max. memory is 11.5 GB. * Witness Printer took 5.12 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * x + 255 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 9.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 12 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital29 mio100 ax100 hnf100 lsp86 ukn100 mio100 lsp100 div266 bol100 ite112 ukn100 eq149 hnf58 smp59 dnf99 smp100 tf105 neg98 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 22ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 1.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...