./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bc157475d6c321934f68f6b441d83c0582720461 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 22:29:46,717 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 22:29:46,718 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 22:29:46,727 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 22:29:46,727 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 22:29:46,728 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 22:29:46,728 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 22:29:46,729 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 22:29:46,731 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 22:29:46,731 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 22:29:46,732 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 22:29:46,732 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 22:29:46,733 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 22:29:46,733 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 22:29:46,734 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 22:29:46,734 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 22:29:46,735 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 22:29:46,736 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 22:29:46,738 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 22:29:46,739 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 22:29:46,739 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 22:29:46,740 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 22:29:46,742 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 22:29:46,742 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 22:29:46,742 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 22:29:46,743 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 22:29:46,744 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 22:29:46,744 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 22:29:46,745 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 22:29:46,746 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 22:29:46,746 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 22:29:46,746 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 22:29:46,747 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 22:29:46,747 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 22:29:46,747 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 22:29:46,748 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 22:29:46,748 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-12-01 22:29:46,758 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 22:29:46,758 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 22:29:46,759 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 22:29:46,759 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 22:29:46,760 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 22:29:46,760 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-01 22:29:46,760 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-01 22:29:46,760 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-01 22:29:46,760 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-01 22:29:46,760 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-01 22:29:46,760 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-01 22:29:46,761 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 22:29:46,761 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-01 22:29:46,761 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 22:29:46,761 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 22:29:46,761 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-01 22:29:46,761 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-01 22:29:46,761 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-01 22:29:46,762 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 22:29:46,762 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-01 22:29:46,762 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 22:29:46,762 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-01 22:29:46,762 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 22:29:46,762 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 22:29:46,762 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-01 22:29:46,763 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 22:29:46,763 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 22:29:46,763 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-01 22:29:46,763 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-01 22:29:46,764 INFO L133 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc157475d6c321934f68f6b441d83c0582720461 [2018-12-01 22:29:46,788 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 22:29:46,798 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 22:29:46,800 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 22:29:46,801 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 22:29:46,802 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 22:29:46,802 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c [2018-12-01 22:29:46,847 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer/data/f172a9ee0/9312214346a84494928254d0f0c6541b/FLAGd2f3745b9 [2018-12-01 22:29:47,310 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 22:29:47,311 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c [2018-12-01 22:29:47,314 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer/data/f172a9ee0/9312214346a84494928254d0f0c6541b/FLAGd2f3745b9 [2018-12-01 22:29:47,322 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer/data/f172a9ee0/9312214346a84494928254d0f0c6541b [2018-12-01 22:29:47,324 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 22:29:47,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 22:29:47,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 22:29:47,325 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 22:29:47,327 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 22:29:47,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:29:47" (1/1) ... [2018-12-01 22:29:47,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2817da2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:29:47, skipping insertion in model container [2018-12-01 22:29:47,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:29:47" (1/1) ... [2018-12-01 22:29:47,333 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 22:29:47,341 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 22:29:47,421 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:29:47,425 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 22:29:47,433 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:29:47,441 INFO L195 MainTranslator]: Completed translation [2018-12-01 22:29:47,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:29:47 WrapperNode [2018-12-01 22:29:47,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 22:29:47,442 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 22:29:47,442 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 22:29:47,442 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 22:29:47,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:29:47" (1/1) ... [2018-12-01 22:29:47,449 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:29:47" (1/1) ... [2018-12-01 22:29:47,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 22:29:47,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 22:29:47,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 22:29:47,460 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 22:29:47,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:29:47" (1/1) ... [2018-12-01 22:29:47,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:29:47" (1/1) ... [2018-12-01 22:29:47,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:29:47" (1/1) ... [2018-12-01 22:29:47,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:29:47" (1/1) ... [2018-12-01 22:29:47,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:29:47" (1/1) ... [2018-12-01 22:29:47,470 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:29:47" (1/1) ... [2018-12-01 22:29:47,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:29:47" (1/1) ... [2018-12-01 22:29:47,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 22:29:47,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 22:29:47,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 22:29:47,471 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 22:29:47,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:29:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:29:47,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 22:29:47,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 22:29:47,614 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 22:29:47,615 INFO L280 CfgBuilder]: Removed 5 assue(true) statements. [2018-12-01 22:29:47,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:29:47 BoogieIcfgContainer [2018-12-01 22:29:47,615 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 22:29:47,615 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-01 22:29:47,615 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-01 22:29:47,619 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-01 22:29:47,619 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 22:29:47,620 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 10:29:47" (1/3) ... [2018-12-01 22:29:47,621 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b1195c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 10:29:47, skipping insertion in model container [2018-12-01 22:29:47,621 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 22:29:47,621 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:29:47" (2/3) ... [2018-12-01 22:29:47,621 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b1195c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 10:29:47, skipping insertion in model container [2018-12-01 22:29:47,621 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-01 22:29:47,622 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:29:47" (3/3) ... [2018-12-01 22:29:47,623 INFO L375 chiAutomizerObserver]: Analyzing ICFG KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c [2018-12-01 22:29:47,665 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 22:29:47,665 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-01 22:29:47,665 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-01 22:29:47,665 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-01 22:29:47,665 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 22:29:47,665 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 22:29:47,665 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-01 22:29:47,665 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 22:29:47,665 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-01 22:29:47,673 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-12-01 22:29:47,685 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-12-01 22:29:47,685 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 22:29:47,686 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 22:29:47,689 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-01 22:29:47,689 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-12-01 22:29:47,689 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-01 22:29:47,689 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-12-01 22:29:47,690 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-12-01 22:29:47,690 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 22:29:47,690 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 22:29:47,690 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-01 22:29:47,690 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-12-01 22:29:47,695 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 7#L23-1true [2018-12-01 22:29:47,695 INFO L796 eck$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 [2018-12-01 22:29:47,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:29:47,698 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-12-01 22:29:47,700 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:29:47,700 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:29:47,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:29:47,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:29:47,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:29:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:29:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:29:47,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:29:47,756 INFO L82 PathProgramCache]: Analyzing trace with hash 39823, now seen corresponding path program 1 times [2018-12-01 22:29:47,756 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:29:47,756 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:29:47,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:29:47,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:29:47,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:29:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:29:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:29:47,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:29:47,772 INFO L82 PathProgramCache]: Analyzing trace with hash 963344, now seen corresponding path program 1 times [2018-12-01 22:29:47,772 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:29:47,772 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:29:47,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:29:47,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:29:47,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:29:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:29:47,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:29:47,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:29:47,802 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-12-01 22:29:47,861 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 22:29:47,861 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 22:29:47,861 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 22:29:47,861 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 22:29:47,861 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-01 22:29:47,862 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:29:47,862 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 22:29:47,862 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 22:29:47,862 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration1_Loop [2018-12-01 22:29:47,862 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 22:29:47,862 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 22:29:47,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:47,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:47,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:47,956 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 22:29:47,956 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:29:47,959 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 22:29:47,960 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:29:47,978 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-01 22:29:47,978 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 22:29:48,658 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-01 22:29:48,660 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 22:29:48,660 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 22:29:48,660 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 22:29:48,660 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 22:29:48,660 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-01 22:29:48,660 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:29:48,660 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 22:29:48,660 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 22:29:48,660 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration1_Loop [2018-12-01 22:29:48,660 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 22:29:48,660 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 22:29:48,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:48,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:48,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:48,720 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 22:29:48,725 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-01 22:29:48,726 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:48,727 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:48,727 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,728 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,728 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:48,728 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 22:29:48,730 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 22:29:48,730 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,737 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,737 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:48,738 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:48,738 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,738 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,738 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-01 22:29:48,738 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 22:29:48,739 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:48,739 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,740 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,741 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:48,741 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:48,741 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,741 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,742 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:48,742 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 22:29:48,742 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 22:29:48,742 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,743 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,743 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-01 22:29:48,744 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:48,744 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:48,744 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,745 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,745 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:48,745 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:48,746 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 22:29:48,746 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,754 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,754 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:48,755 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:48,755 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,755 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,755 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-01 22:29:48,755 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:48,756 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 22:29:48,756 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,759 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,759 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:48,760 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:48,760 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,760 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,760 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:48,760 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:48,761 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 22:29:48,761 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,762 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,762 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-01 22:29:48,762 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:48,763 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:48,763 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,763 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,763 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:48,764 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:48,765 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:48,765 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,772 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,772 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:48,772 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:48,773 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,773 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,773 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-01 22:29:48,773 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:48,774 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-01 22:29:48,774 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,775 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,775 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:48,775 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:48,776 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,776 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,776 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:48,776 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:48,776 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:48,776 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,777 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,777 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-01 22:29:48,778 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:48,778 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:48,778 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,778 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,778 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:48,778 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:48,779 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 22:29:48,779 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,787 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,787 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:48,788 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:48,788 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,788 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,788 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-01 22:29:48,788 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:48,789 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-12-01 22:29:48,789 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,790 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,790 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:48,790 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:48,790 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,791 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,791 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:48,791 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:48,791 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 22:29:48,791 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,792 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,792 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-01 22:29:48,793 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:48,793 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:48,793 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:48,793 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,793 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,793 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:48,794 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:48,795 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 22:29:48,795 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,801 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,802 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:48,802 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:48,802 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:48,802 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,802 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,802 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-01 22:29:48,802 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:48,803 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 22:29:48,803 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,808 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,808 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:48,809 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:48,809 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:48,809 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,809 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,809 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:48,809 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:48,810 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 22:29:48,810 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,810 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,811 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-01 22:29:48,811 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:48,811 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:48,811 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-01 22:29:48,811 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,811 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,812 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:48,812 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:48,813 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:48,813 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,822 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,822 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 [2018-12-01 22:29:48,823 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:48,823 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-01 22:29:48,823 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,823 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,823 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-01 22:29:48,823 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:48,825 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-01 22:29:48,825 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,832 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,833 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:48,833 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:48,833 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-01 22:29:48,833 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,833 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,834 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:48,834 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:48,834 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:48,834 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,836 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,836 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-01 22:29:48,836 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:48,837 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:48,837 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:48,837 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,837 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,837 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:48,837 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:48,838 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 22:29:48,838 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,850 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,850 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 [2018-12-01 22:29:48,850 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:48,851 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:48,851 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,851 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,851 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-01 22:29:48,851 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:48,853 INFO L402 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2018-12-01 22:29:48,853 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,862 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,862 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:48,862 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:48,862 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:48,863 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,863 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,863 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:48,863 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:48,864 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 22:29:48,864 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,864 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,864 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-01 22:29:48,865 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:48,865 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:48,865 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:48,865 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,865 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,865 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:48,866 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:48,866 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:48,866 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,872 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,872 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 [2018-12-01 22:29:48,873 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:48,873 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:48,873 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,873 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,873 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-01 22:29:48,873 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:48,873 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-12-01 22:29:48,874 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,876 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,877 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:48,877 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:48,877 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:48,877 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,877 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,878 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:48,878 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:48,878 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:48,878 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,879 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,880 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-01 22:29:48,880 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 [2018-12-01 22:29:48,880 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:48,880 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:48,880 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,880 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,881 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:48,881 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-01 22:29:48,881 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 22:29:48,881 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,892 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,893 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:48,893 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:48,893 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:48,893 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,893 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,894 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-12-01 22:29:48,894 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-01 22:29:48,894 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-01 22:29:48,894 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,898 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,899 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:48,899 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:48,899 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:48,899 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:48,899 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:48,899 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:48,899 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-01 22:29:48,900 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 22:29:48,900 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:48,902 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:48,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:29:48,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:29:48,913 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2018-12-01 22:29:48,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:29:48,922 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-12-01 22:29:48,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:29:48,923 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 8 states and 9 transitions. [2018-12-01 22:29:48,924 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-12-01 22:29:48,926 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 8 states to 4 states and 5 transitions. [2018-12-01 22:29:48,927 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2018-12-01 22:29:48,927 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2018-12-01 22:29:48,927 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 5 transitions. [2018-12-01 22:29:48,928 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 22:29:48,928 INFO L705 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2018-12-01 22:29:48,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states and 5 transitions. [2018-12-01 22:29:48,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2018-12-01 22:29:48,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-01 22:29:48,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 5 transitions. [2018-12-01 22:29:48,945 INFO L728 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2018-12-01 22:29:48,945 INFO L608 BuchiCegarLoop]: Abstraction has 4 states and 5 transitions. [2018-12-01 22:29:48,945 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-01 22:29:48,945 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 4 states and 5 transitions. [2018-12-01 22:29:48,945 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-12-01 22:29:48,945 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 22:29:48,945 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 22:29:48,945 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-01 22:29:48,945 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-12-01 22:29:48,946 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 28#L23-1 [2018-12-01 22:29:48,946 INFO L796 eck$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 [2018-12-01 22:29:48,946 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:29:48,946 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 2 times [2018-12-01 22:29:48,946 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:29:48,946 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:29:48,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:29:48,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:29:48,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:29:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:29:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:29:48,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:29:48,949 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 1 times [2018-12-01 22:29:48,949 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:29:48,949 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:29:48,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:29:48,950 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 22:29:48,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:29:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:29:48,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:29:48,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:29:48,955 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 1 times [2018-12-01 22:29:48,955 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:29:48,955 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:29:48,955 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:29:48,955 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:29:48,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:29:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:29:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:29:48,988 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 22:29:48,988 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 22:29:48,988 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 22:29:48,989 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 22:29:48,989 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-01 22:29:48,989 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:29:48,989 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 22:29:48,989 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 22:29:48,989 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Loop [2018-12-01 22:29:48,989 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 22:29:48,989 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 22:29:48,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:48,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:49,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:49,050 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 22:29:49,051 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:29:49,052 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 22:29:49,052 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:29:49,069 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-01 22:29:49,069 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 22:29:49,189 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-01 22:29:49,191 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 22:29:49,191 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 22:29:49,191 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 22:29:49,191 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 22:29:49,191 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-01 22:29:49,191 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:29:49,191 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 22:29:49,191 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 22:29:49,191 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Loop [2018-12-01 22:29:49,191 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 22:29:49,191 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 22:29:49,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:49,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:49,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:49,261 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 22:29:49,261 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-01 22:29:49,262 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,262 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,262 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,262 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,262 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,262 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 22:29:49,263 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 22:29:49,263 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,264 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,265 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,265 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,265 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,265 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,265 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,265 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 22:29:49,265 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 22:29:49,265 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,266 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,266 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,266 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,266 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,266 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,267 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,267 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 22:29:49,267 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 22:29:49,267 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,267 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,267 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-01 22:29:49,268 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,268 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,268 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,268 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,268 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,268 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:49,269 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 22:29:49,269 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,270 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,271 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 [2018-12-01 22:29:49,271 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,271 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,271 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,271 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,271 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:49,272 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 22:29:49,272 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,272 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,272 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,273 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,273 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,273 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,273 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,273 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:49,273 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 22:29:49,273 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,274 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,274 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-01 22:29:49,274 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,274 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,274 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,274 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,275 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,275 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:49,275 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:49,275 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,277 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,277 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,278 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,278 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,278 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,278 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,278 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:49,278 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:49,279 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,279 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,279 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,279 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,279 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,280 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,280 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,280 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:49,280 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:49,280 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,280 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,281 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-01 22:29:49,281 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,281 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,281 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,281 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,281 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,281 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:49,282 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 22:29:49,282 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,284 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,285 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,285 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,285 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,285 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,285 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,285 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:49,286 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 22:29:49,286 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,286 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,286 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,287 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,287 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,287 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,287 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,287 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:49,287 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 22:29:49,287 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,288 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,288 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-01 22:29:49,288 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 [2018-12-01 22:29:49,288 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,288 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:49,289 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,289 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,289 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,289 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:49,289 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 22:29:49,289 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,297 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,297 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,298 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,298 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:49,298 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,298 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,298 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,298 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:49,299 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 22:29:49,299 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,299 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,299 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 [2018-12-01 22:29:49,300 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,300 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:49,300 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,300 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,300 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,300 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:49,301 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 22:29:49,301 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,301 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,301 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-01 22:29:49,301 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,302 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,302 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-01 22:29:49,302 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,302 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,302 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,302 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:49,303 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:49,303 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,319 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,320 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,320 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,320 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-01 22:29:49,320 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,320 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,320 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,320 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:49,321 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:49,321 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,322 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,322 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,322 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,323 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-01 22:29:49,323 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,323 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,323 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,323 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:49,323 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:49,323 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,324 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,324 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-01 22:29:49,325 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,325 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,325 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:49,325 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,325 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,325 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,325 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:49,326 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 22:29:49,327 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,347 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,347 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,347 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,348 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:49,348 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,348 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,348 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,348 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:49,349 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 22:29:49,349 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,349 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,349 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,350 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,350 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:49,350 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,350 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,350 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,350 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:49,351 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 22:29:49,351 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,351 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,351 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-01 22:29:49,352 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,352 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,352 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:49,352 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,352 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,352 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,352 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:49,353 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:49,353 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,357 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,357 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 [2018-12-01 22:29:49,357 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,358 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:49,358 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,358 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,358 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,358 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:49,358 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:49,358 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,359 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,360 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,360 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,360 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:49,360 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,360 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,360 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,360 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:49,361 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:49,361 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,362 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,362 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-01 22:29:49,362 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,362 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,363 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:49,363 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,363 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,363 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,363 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-01 22:29:49,364 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 22:29:49,364 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,370 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,370 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 [2018-12-01 22:29:49,371 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,371 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:49,371 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,371 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,371 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,371 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-01 22:29:49,372 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 22:29:49,372 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,373 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,373 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,374 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,374 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:49,374 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,374 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,374 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,374 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-01 22:29:49,375 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 22:29:49,375 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,376 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,395 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 22:29:49,395 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 22:29:49,395 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 22:29:49,395 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 22:29:49,395 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-01 22:29:49,395 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:29:49,396 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 22:29:49,396 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 22:29:49,396 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Lasso [2018-12-01 22:29:49,396 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 22:29:49,396 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 22:29:49,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:49,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:49,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:49,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:49,403 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:49,459 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 22:29:49,459 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:29:49,461 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 22:29:49,461 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 22:29:49,465 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 22:29:49,465 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:29:49,480 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 22:29:49,481 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 22:29:49,483 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 22:29:49,483 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:29:49,499 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 22:29:49,499 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 22:29:49,502 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 22:29:49,502 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~debug~0=0} Honda state: {ULTIMATE.start_main_~debug~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:29:49,527 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 22:29:49,527 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 22:29:49,530 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 22:29:49,530 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1=0} Honda state: {ULTIMATE.start_main_#t~post1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:29:49,555 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 22:29:49,556 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:29:49,583 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-01 22:29:49,583 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 22:29:49,710 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-01 22:29:49,711 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 22:29:49,712 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 22:29:49,712 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 22:29:49,712 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 22:29:49,712 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-01 22:29:49,712 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:29:49,712 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 22:29:49,712 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 22:29:49,712 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Lasso [2018-12-01 22:29:49,712 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 22:29:49,712 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 22:29:49,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:49,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:49,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:49,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:49,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:49,795 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 22:29:49,795 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-01 22:29:49,796 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,797 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,797 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,797 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,797 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,797 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 22:29:49,798 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 22:29:49,798 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,798 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,799 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,799 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,799 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,799 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,799 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 22:29:49,800 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 22:29:49,800 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-01 22:29:49,801 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,802 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,802 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,802 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,802 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,802 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,802 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 22:29:49,803 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 22:29:49,803 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,803 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,803 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,803 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,804 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,804 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,804 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,804 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 22:29:49,804 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 22:29:49,804 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,804 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,805 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,805 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,805 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,805 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,805 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,805 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 22:29:49,806 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 22:29:49,806 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,807 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,807 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-01 22:29:49,807 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,808 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,808 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,808 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,808 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,808 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:49,808 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 22:29:49,808 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,809 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,809 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,809 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,809 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,809 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,810 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:49,810 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-01 22:29:49,810 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-01 22:29:49,811 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,812 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 [2018-12-01 22:29:49,812 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,812 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,812 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,812 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,812 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:49,812 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 22:29:49,813 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,813 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,813 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,813 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,814 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,814 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,814 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,814 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:49,814 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 22:29:49,814 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,814 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,815 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,815 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,815 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,815 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,815 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,815 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:49,816 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 22:29:49,816 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,817 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,817 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-01 22:29:49,817 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,818 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,818 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,818 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,818 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,818 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:49,818 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:49,818 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,819 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,819 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,819 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,819 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,819 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,819 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:49,820 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-01 22:29:49,820 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-01 22:29:49,822 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,822 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 [2018-12-01 22:29:49,822 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,822 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,823 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,823 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,823 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:49,823 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:49,823 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,823 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,824 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,824 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,824 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,824 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,824 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,824 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:49,824 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:49,824 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,825 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,825 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,825 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,825 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,825 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,825 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,826 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:49,826 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:49,826 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,828 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,828 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-01 22:29:49,828 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,828 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,828 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,829 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,829 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,829 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:49,829 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 22:29:49,829 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,829 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,830 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,830 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,830 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,830 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,830 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:49,831 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-01 22:29:49,831 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-01 22:29:49,832 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,833 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,833 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,833 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,833 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,833 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,833 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:49,833 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 22:29:49,834 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,834 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,834 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,834 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,834 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,834 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,835 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,835 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:49,835 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 22:29:49,835 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,835 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,836 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,836 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:49,836 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,836 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,836 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,836 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:49,836 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 22:29:49,837 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,838 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,838 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-01 22:29:49,839 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,839 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,839 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:49,839 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,839 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,839 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,839 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:49,840 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 22:29:49,840 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,840 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,840 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 [2018-12-01 22:29:49,841 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,841 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:49,841 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,841 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,841 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:49,841 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-01 22:29:49,842 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-01 22:29:49,843 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,844 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 [2018-12-01 22:29:49,844 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,844 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:49,844 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,844 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,844 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,844 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:49,845 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 22:29:49,845 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,845 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,845 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 [2018-12-01 22:29:49,846 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,846 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:49,846 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,846 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,846 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,846 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:49,846 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 22:29:49,846 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,847 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,847 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,847 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,847 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:49,847 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,847 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,848 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,848 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:49,848 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 22:29:49,848 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,852 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,852 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-01 22:29:49,852 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,853 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,853 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-01 22:29:49,853 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,853 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,853 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,853 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:49,854 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:49,854 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,854 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,855 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,855 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,855 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-01 22:29:49,855 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,855 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,855 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:49,856 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-01 22:29:49,856 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-01 22:29:49,858 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,858 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,859 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,859 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-01 22:29:49,859 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,859 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,859 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,859 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:49,859 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:49,860 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,860 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,860 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,861 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,861 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-01 22:29:49,861 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,861 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,861 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,861 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:49,862 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:49,862 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,862 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,863 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,863 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,863 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-01 22:29:49,863 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,863 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,863 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,863 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:49,864 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:49,864 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,872 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,872 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-01 22:29:49,872 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 [2018-12-01 22:29:49,872 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,873 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:49,873 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,873 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,873 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,873 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:49,873 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 22:29:49,873 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,874 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,874 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,874 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,874 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:49,875 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,875 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,875 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:49,876 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-01 22:29:49,876 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-01 22:29:49,879 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,880 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 [2018-12-01 22:29:49,880 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,880 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:49,880 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,880 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,880 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,881 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:49,881 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 22:29:49,881 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,882 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,882 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,882 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,882 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:49,882 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,882 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,882 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,883 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:49,883 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 22:29:49,883 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,884 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,884 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,884 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,884 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:49,884 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,884 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,917 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,917 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:49,918 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 22:29:49,918 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,929 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,929 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-01 22:29:49,929 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,930 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,930 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:49,930 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,930 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,930 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,930 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:49,930 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:49,930 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,931 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,931 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,932 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,932 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:49,932 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,932 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,932 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:49,933 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-01 22:29:49,933 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-01 22:29:49,934 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,935 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,935 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,935 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:49,935 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,935 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,935 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,935 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:49,935 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:49,935 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,936 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,936 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,936 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,937 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:49,937 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,937 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,937 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,937 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:49,937 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:49,937 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,938 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,938 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 [2018-12-01 22:29:49,938 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,938 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:49,938 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,938 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,938 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,938 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:49,939 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:49,939 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,941 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,941 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-01 22:29:49,942 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,942 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,942 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:49,942 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,942 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,942 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,942 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-01 22:29:49,942 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 22:29:49,942 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,943 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,943 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,944 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,944 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:49,944 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,944 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,944 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-01 22:29:49,945 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-12-01 22:29:49,945 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-01 22:29:49,948 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,948 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,948 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,948 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:49,948 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,948 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,948 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,948 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-01 22:29:49,949 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 22:29:49,949 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,950 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,950 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,950 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,950 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:49,950 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,950 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,950 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,950 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-01 22:29:49,951 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 22:29:49,951 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,952 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,952 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:49,953 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:49,953 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:49,953 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:49,953 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:49,953 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:49,953 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-01 22:29:49,953 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 22:29:49,954 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:49,958 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:49,958 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-12-01 22:29:49,958 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 28#L23-1 assume !!(main_~x~0 < 255); 30#L18 assume 0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2);main_#t~post1 := main_~x~0;main_~x~0 := main_#t~post1 - 1;havoc main_#t~post1; 29#L18-2 assume !(0 != main_~debug~0); 28#L23-1 [2018-12-01 22:29:49,958 INFO L796 eck$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 [2018-12-01 22:29:49,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:29:49,959 INFO L82 PathProgramCache]: Analyzing trace with hash 963346, now seen corresponding path program 2 times [2018-12-01 22:29:49,959 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:29:49,959 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:29:49,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:29:49,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:29:49,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:29:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:29:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:29:49,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:29:49,963 INFO L82 PathProgramCache]: Analyzing trace with hash 39825, now seen corresponding path program 2 times [2018-12-01 22:29:49,964 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:29:49,964 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:29:49,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:29:49,964 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 22:29:49,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:29:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:29:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:29:49,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:29:49,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1365720352, now seen corresponding path program 3 times [2018-12-01 22:29:49,967 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:29:49,967 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:29:49,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:29:49,968 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 22:29:49,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:29:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:29:50,003 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:29:50,003 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:29:50,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:29:50,015 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 22:29:50,015 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 22:29:50,015 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 22:29:50,015 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 22:29:50,016 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-01 22:29:50,016 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:29:50,016 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 22:29:50,016 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 22:29:50,016 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Loop [2018-12-01 22:29:50,016 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 22:29:50,016 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 22:29:50,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:50,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:50,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:50,074 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 22:29:50,074 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:29:50,077 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 22:29:50,077 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:29:50,095 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-01 22:29:50,095 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 22:29:50,256 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-01 22:29:50,258 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 22:29:50,258 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 22:29:50,258 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 22:29:50,259 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 22:29:50,259 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-01 22:29:50,259 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:29:50,259 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 22:29:50,259 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 22:29:50,259 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration2_Loop [2018-12-01 22:29:50,259 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 22:29:50,259 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 22:29:50,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:50,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:50,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:50,306 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 22:29:50,306 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-01 22:29:50,306 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 [2018-12-01 22:29:50,306 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:50,307 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,307 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,307 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,307 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 22:29:50,307 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 22:29:50,307 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,308 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,309 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:50,309 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:50,309 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,309 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,309 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,309 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 22:29:50,309 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 22:29:50,309 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,310 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,310 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:50,310 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:50,310 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,310 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,310 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,310 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 22:29:50,311 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 22:29:50,311 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,311 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,311 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-01 22:29:50,311 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 [2018-12-01 22:29:50,311 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:50,311 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,311 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,311 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,312 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:50,312 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 22:29:50,312 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,313 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,313 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:50,313 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:50,313 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,314 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,314 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,314 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:50,314 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 22:29:50,314 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,314 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,314 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:50,315 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:50,315 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,315 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,315 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,315 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:50,315 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 22:29:50,315 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,315 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,315 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-01 22:29:50,315 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:50,316 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:50,316 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,316 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,316 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,316 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:50,316 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:50,316 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,317 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,318 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 [2018-12-01 22:29:50,318 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:50,318 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,318 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,318 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,318 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:50,318 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:50,318 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,319 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,319 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:50,319 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:50,319 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,319 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,319 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,319 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:50,320 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:50,320 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,320 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,320 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-01 22:29:50,320 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:50,320 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:50,320 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,320 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,321 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,321 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:50,321 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 22:29:50,321 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,322 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,323 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:50,323 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:50,323 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,323 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,323 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,323 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:50,323 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 22:29:50,324 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,324 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,324 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:50,324 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:50,324 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,324 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,324 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,324 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:50,325 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 22:29:50,325 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,325 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,325 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-01 22:29:50,325 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:50,325 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:50,325 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:50,326 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,326 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,326 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,326 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:50,326 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 22:29:50,326 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,329 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,329 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 [2018-12-01 22:29:50,330 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:50,330 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:50,330 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,330 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,330 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,330 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:50,330 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 22:29:50,330 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,331 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,331 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:50,331 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:50,331 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:50,331 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,331 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,331 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,331 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-01 22:29:50,332 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-01 22:29:50,332 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,332 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,332 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-01 22:29:50,332 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:50,332 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:50,333 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-01 22:29:50,333 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,333 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,333 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,333 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:50,333 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:50,333 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,341 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,341 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:50,341 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:50,341 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-01 22:29:50,341 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,341 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,342 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,342 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:50,342 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:50,342 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,343 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,343 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:50,343 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:50,343 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-01 22:29:50,343 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,343 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,343 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,343 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:50,344 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:50,344 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,344 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,344 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-01 22:29:50,345 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 [2018-12-01 22:29:50,345 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:50,345 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:50,345 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,345 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,345 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,345 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:50,346 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 22:29:50,346 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,356 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,356 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:50,357 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:50,357 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:50,357 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,357 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,357 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,357 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:50,357 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 22:29:50,357 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,358 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,358 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 [2018-12-01 22:29:50,358 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:50,358 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:50,358 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,358 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,359 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,359 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-01 22:29:50,359 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-01 22:29:50,359 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,359 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,360 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-01 22:29:50,360 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:50,360 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:50,360 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:50,360 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,360 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,360 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,360 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:50,361 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:50,361 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,363 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,363 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 [2018-12-01 22:29:50,363 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:50,363 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:50,363 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,364 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,364 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,364 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:50,364 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:50,364 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,365 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,365 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:50,365 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:50,365 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-01 22:29:50,365 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,365 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,365 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,365 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-01 22:29:50,365 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-01 22:29:50,366 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,366 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,366 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-01 22:29:50,366 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 [2018-12-01 22:29:50,367 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:50,367 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:50,367 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,367 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,367 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,367 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-01 22:29:50,367 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 22:29:50,368 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,371 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,372 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 [2018-12-01 22:29:50,372 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:50,372 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:50,372 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,372 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,372 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,372 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-01 22:29:50,373 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 22:29:50,373 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,374 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,374 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:50,374 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-01 22:29:50,374 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-01 22:29:50,374 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,374 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,374 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,374 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-01 22:29:50,375 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-01 22:29:50,375 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,376 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:29:50,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:29:50,376 INFO L87 Difference]: Start difference. First operand 4 states and 5 transitions. cyclomatic complexity: 2 Second operand 3 states. [2018-12-01 22:29:50,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:29:50,389 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2018-12-01 22:29:50,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:29:50,390 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. [2018-12-01 22:29:50,390 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-12-01 22:29:50,390 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 6 states and 7 transitions. [2018-12-01 22:29:50,391 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2018-12-01 22:29:50,391 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2018-12-01 22:29:50,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2018-12-01 22:29:50,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 22:29:50,391 INFO L705 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2018-12-01 22:29:50,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2018-12-01 22:29:50,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-12-01 22:29:50,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-12-01 22:29:50,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2018-12-01 22:29:50,392 INFO L728 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2018-12-01 22:29:50,392 INFO L608 BuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2018-12-01 22:29:50,392 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-12-01 22:29:50,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2018-12-01 22:29:50,392 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2018-12-01 22:29:50,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-01 22:29:50,393 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-01 22:29:50,393 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-12-01 22:29:50,393 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-12-01 22:29:50,393 INFO L794 eck$LassoCheckResult]: Stem: 54#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~post1, main_~x~0, main_~debug~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~debug~0 := 0; 55#L23-1 assume !!(main_~x~0 < 255); 57#L18 assume !(0 != (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then main_~x~0 % 2 - 2 else main_~x~0 % 2));main_~x~0 := 2 + main_~x~0; 52#L18-2 [2018-12-01 22:29:50,393 INFO L796 eck$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 [2018-12-01 22:29:50,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:29:50,393 INFO L82 PathProgramCache]: Analyzing trace with hash 31077, now seen corresponding path program 1 times [2018-12-01 22:29:50,394 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:29:50,394 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:29:50,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:29:50,394 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-01 22:29:50,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:29:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:29:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:29:50,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:29:50,398 INFO L82 PathProgramCache]: Analyzing trace with hash 50297, now seen corresponding path program 1 times [2018-12-01 22:29:50,398 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:29:50,398 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:29:50,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:29:50,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:29:50,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:29:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:29:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:29:50,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:29:50,402 INFO L82 PathProgramCache]: Analyzing trace with hash 925835413, now seen corresponding path program 1 times [2018-12-01 22:29:50,402 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 22:29:50,402 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 22:29:50,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:29:50,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:29:50,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:29:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:29:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 22:29:50,423 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 22:29:50,423 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 22:29:50,423 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 22:29:50,423 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 22:29:50,423 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-01 22:29:50,423 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:29:50,423 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 22:29:50,423 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 22:29:50,424 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration3_Loop [2018-12-01 22:29:50,424 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 22:29:50,424 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 22:29:50,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:50,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:50,487 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 22:29:50,487 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:29:50,489 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 22:29:50,489 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 22:29:50,491 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-01 22:29:50,492 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~debug~0=0} Honda state: {ULTIMATE.start_main_~debug~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:29:50,508 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-01 22:29:50,508 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691481a1-72c7-4624-9799-df0f9af8187a/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:29:50,525 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-01 22:29:50,525 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-01 22:29:50,551 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-12-01 22:29:50,553 INFO L216 LassoAnalysis]: Preferences: [2018-12-01 22:29:50,553 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-01 22:29:50,553 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-01 22:29:50,553 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-01 22:29:50,553 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-01 22:29:50,553 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-01 22:29:50,553 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-01 22:29:50,553 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-01 22:29:50,553 INFO L131 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Fig1_true-termination_true-no-overflow.c_Iteration3_Loop [2018-12-01 22:29:50,553 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-01 22:29:50,553 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-01 22:29:50,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:50,556 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-01 22:29:50,630 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-01 22:29:50,630 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-01 22:29:50,630 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:50,630 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:50,630 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,630 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,631 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,631 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 22:29:50,631 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 22:29:50,631 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,631 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-01 22:29:50,632 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-01 22:29:50,632 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-01 22:29:50,632 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-01 22:29:50,632 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-01 22:29:50,632 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-01 22:29:50,632 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-01 22:29:50,632 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-01 22:29:50,632 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-01 22:29:50,633 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-12-01 22:29:50,634 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-12-01 22:29:50,634 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2018-12-01 22:29:50,636 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-12-01 22:29:50,636 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2018-12-01 22:29:50,636 INFO L518 LassoAnalysis]: Proved termination. [2018-12-01 22:29:50,636 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -1*ULTIMATE.start_main_~x~0 + 255 Supporting invariants [] [2018-12-01 22:29:50,637 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2018-12-01 22:29:50,649 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:29:50,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:29:50,655 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:29:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:29:50,660 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:29:50,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:29:50,669 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 [2018-12-01 22:29:50,669 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand 4 states. [2018-12-01 22:29:50,688 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. [2018-12-01 22:29:50,688 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 [2018-12-01 22:29:50,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-12-01 22:29:50,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2018-12-01 22:29:50,689 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2018-12-01 22:29:50,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 22:29:50,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2018-12-01 22:29:50,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 22:29:50,690 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2018-12-01 22:29:50,690 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-12-01 22:29:50,691 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 14 transitions. [2018-12-01 22:29:50,691 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-01 22:29:50,691 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2018-12-01 22:29:50,691 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-12-01 22:29:50,691 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-12-01 22:29:50,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-12-01 22:29:50,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-01 22:29:50,692 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 22:29:50,692 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 22:29:50,692 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 22:29:50,692 INFO L442 BuchiCegarLoop]: ======== Iteration 4============ [2018-12-01 22:29:50,692 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-12-01 22:29:50,692 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-12-01 22:29:50,692 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-12-01 22:29:50,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 10:29:50 BoogieIcfgContainer [2018-12-01 22:29:50,696 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-01 22:29:50,696 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 22:29:50,697 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 22:29:50,697 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 22:29:50,697 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:29:47" (3/4) ... [2018-12-01 22:29:50,699 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-01 22:29:50,699 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 22:29:50,700 INFO L168 Benchmark]: Toolchain (without parser) took 3376.03 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 226.0 MB). Free memory was 962.4 MB in the beginning and 1.0 GB in the end (delta: -57.5 MB). Peak memory consumption was 168.4 MB. Max. memory is 11.5 GB. [2018-12-01 22:29:50,701 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:29:50,701 INFO L168 Benchmark]: CACSL2BoogieTranslator took 116.39 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 22:29:50,702 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.04 ms. Allocated memory is still 1.0 GB. Free memory is still 951.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:29:50,702 INFO L168 Benchmark]: Boogie Preprocessor took 11.15 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-01 22:29:50,702 INFO L168 Benchmark]: RCFGBuilder took 143.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -137.0 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2018-12-01 22:29:50,703 INFO L168 Benchmark]: BuchiAutomizer took 3081.00 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 122.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.3 MB). Peak memory consumption was 185.5 MB. Max. memory is 11.5 GB. [2018-12-01 22:29:50,703 INFO L168 Benchmark]: Witness Printer took 3.03 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. [2018-12-01 22:29:50,706 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 116.39 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 951.7 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 18.04 ms. Allocated memory is still 1.0 GB. Free memory is still 951.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.15 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 946.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 143.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -137.0 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3081.00 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 122.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 63.3 MB). Peak memory consumption was 185.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.03 ms. Allocated memory is still 1.3 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (2 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * x + 255 and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 2. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 12 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital29 mio100 ax100 hnf100 lsp86 ukn100 mio100 lsp100 div266 bol100 ite112 ukn100 eq149 hnf58 smp59 dnf99 smp100 tf105 neg98 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 5ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 0 MotzkinApplications: 12 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...