./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call2_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call2_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2797de73b923a7fbf0f091cb97be1331c2699e2c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:44:37,240 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:44:37,241 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:44:37,247 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:44:37,248 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:44:37,248 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:44:37,249 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:44:37,250 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:44:37,251 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:44:37,252 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:44:37,252 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:44:37,252 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:44:37,253 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:44:37,254 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:44:37,254 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:44:37,255 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:44:37,255 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:44:37,256 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:44:37,257 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:44:37,258 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:44:37,259 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:44:37,260 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:44:37,261 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:44:37,261 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:44:37,262 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:44:37,262 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:44:37,263 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:44:37,263 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:44:37,264 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:44:37,264 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:44:37,264 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:44:37,265 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:44:37,265 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:44:37,265 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:44:37,266 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:44:37,266 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:44:37,267 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 09:44:37,275 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:44:37,276 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:44:37,277 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:44:37,277 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:44:37,277 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:44:37,277 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 09:44:37,277 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 09:44:37,277 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 09:44:37,277 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 09:44:37,277 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 09:44:37,278 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 09:44:37,278 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:44:37,278 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:44:37,278 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 09:44:37,278 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:44:37,278 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:44:37,278 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:44:37,279 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 09:44:37,279 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 09:44:37,279 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 09:44:37,279 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:44:37,279 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:44:37,279 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 09:44:37,279 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:44:37,279 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 09:44:37,280 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:44:37,280 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:44:37,280 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 09:44:37,280 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:44:37,280 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:44:37,280 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 09:44:37,281 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 09:44:37,281 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_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2797de73b923a7fbf0f091cb97be1331c2699e2c [2018-11-18 09:44:37,304 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:44:37,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:44:37,315 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:44:37,316 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:44:37,317 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:44:37,317 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call2_true-termination.i [2018-11-18 09:44:37,362 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/data/eb0bed4ed/681fe93591f84751930892a7b8ced3e1/FLAG083753b9f [2018-11-18 09:44:37,758 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:44:37,759 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call2_true-termination.i [2018-11-18 09:44:37,763 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/data/eb0bed4ed/681fe93591f84751930892a7b8ced3e1/FLAG083753b9f [2018-11-18 09:44:37,773 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/data/eb0bed4ed/681fe93591f84751930892a7b8ced3e1 [2018-11-18 09:44:37,776 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:44:37,777 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:44:37,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:44:37,778 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:44:37,781 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:44:37,782 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:44:37" (1/1) ... [2018-11-18 09:44:37,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da0b297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:44:37, skipping insertion in model container [2018-11-18 09:44:37,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:44:37" (1/1) ... [2018-11-18 09:44:37,790 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:44:37,801 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:44:37,907 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:44:37,910 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:44:37,922 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:44:37,931 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:44:37,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:44:37 WrapperNode [2018-11-18 09:44:37,932 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:44:37,932 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:44:37,933 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:44:37,933 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:44:37,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:44:37" (1/1) ... [2018-11-18 09:44:37,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:44:37" (1/1) ... [2018-11-18 09:44:37,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:44:37,955 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:44:37,955 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:44:37,955 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:44:37,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:44:37" (1/1) ... [2018-11-18 09:44:37,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:44:37" (1/1) ... [2018-11-18 09:44:37,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:44:37" (1/1) ... [2018-11-18 09:44:37,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:44:37" (1/1) ... [2018-11-18 09:44:37,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:44:37" (1/1) ... [2018-11-18 09:44:37,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:44:37" (1/1) ... [2018-11-18 09:44:37,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:44:37" (1/1) ... [2018-11-18 09:44:37,967 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:44:37,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:44:37,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:44:37,967 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:44:37,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:44:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:44:38,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:44:38,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:44:38,124 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:44:38,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:44:38 BoogieIcfgContainer [2018-11-18 09:44:38,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:44:38,125 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 09:44:38,125 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 09:44:38,127 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 09:44:38,128 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:44:38,128 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 09:44:37" (1/3) ... [2018-11-18 09:44:38,129 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76cb088f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:44:38, skipping insertion in model container [2018-11-18 09:44:38,129 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:44:38,129 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:44:37" (2/3) ... [2018-11-18 09:44:38,129 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76cb088f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 09:44:38, skipping insertion in model container [2018-11-18 09:44:38,129 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 09:44:38,129 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:44:38" (3/3) ... [2018-11-18 09:44:38,130 INFO L375 chiAutomizerObserver]: Analyzing ICFG underapprox_true-unreach-call2_true-termination.i [2018-11-18 09:44:38,165 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:44:38,166 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 09:44:38,166 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 09:44:38,166 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 09:44:38,166 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:44:38,166 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:44:38,166 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 09:44:38,166 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:44:38,167 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 09:44:38,175 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-18 09:44:38,190 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-18 09:44:38,190 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:44:38,190 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:44:38,194 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-18 09:44:38,194 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-18 09:44:38,194 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 09:44:38,194 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-18 09:44:38,195 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-18 09:44:38,195 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 09:44:38,195 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 09:44:38,196 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-18 09:44:38,196 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-18 09:44:38,200 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-3true [2018-11-18 09:44:38,201 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 9#L11-3true [2018-11-18 09:44:38,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:44:38,204 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-18 09:44:38,205 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:44:38,206 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:44:38,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:38,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:44:38,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:44:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:44:38,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:44:38,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 1 times [2018-11-18 09:44:38,261 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:44:38,262 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:44:38,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:38,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:44:38,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:38,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:44:38,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:44:38,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:44:38,274 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 1 times [2018-11-18 09:44:38,274 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:44:38,274 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:44:38,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:38,275 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:44:38,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:44:38,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:44:38,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:44:38,344 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 09:44:38,345 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 09:44:38,345 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 09:44:38,345 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 09:44:38,345 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 09:44:38,346 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:44:38,346 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 09:44:38,346 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 09:44:38,346 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-18 09:44:38,346 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 09:44:38,346 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 09:44:38,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:44:38,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:44:38,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:44:38,522 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 09:44:38,523 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:44:38,527 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:44:38,527 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:44:38,532 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 09:44:38,532 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:44:38,548 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:44:38,548 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:44:38,551 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 09:44:38,551 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:44:38,567 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:44:38,567 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:44:38,586 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 09:44:38,586 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:44:54,859 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-18 09:44:54,862 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 09:44:54,862 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 09:44:54,862 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 09:44:54,862 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 09:44:54,863 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 09:44:54,863 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:44:54,863 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 09:44:54,863 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 09:44:54,863 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-18 09:44:54,863 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 09:44:54,863 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 09:44:54,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:44:54,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:44:54,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:44:54,938 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 09:44:54,941 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 09:44:54,942 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 [2018-11-18 09:44:54,943 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:44:54,943 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:54,945 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:54,946 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:54,946 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:44:54,947 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 09:44:54,947 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:54,949 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:54,950 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:44:54,950 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:44:54,950 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:54,950 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:54,950 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:54,951 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:44:54,951 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 09:44:54,951 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:54,953 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:54,953 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:44:54,954 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:44:54,954 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:54,954 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:54,954 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:54,955 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:44:54,956 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 09:44:54,956 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:54,963 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:54,963 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-18 09:44:54,963 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:44:54,964 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:44:54,964 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:54,965 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:54,965 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:54,965 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:44:54,965 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:44:54,965 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:54,966 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:54,966 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:44:54,967 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:44:54,967 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:54,967 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:54,967 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:54,967 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:44:54,968 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:44:54,968 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:54,969 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:54,970 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:44:54,970 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:44:54,971 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:54,971 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:54,971 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:54,971 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:44:54,972 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:44:54,973 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:54,980 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:54,980 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-18 09:44:54,981 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:44:54,981 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:44:54,981 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:54,981 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:54,982 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:54,982 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:44:54,982 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:44:54,982 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:54,983 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:54,983 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:44:54,984 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:44:54,984 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:54,984 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:54,984 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:54,984 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:44:54,985 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:44:54,985 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:54,986 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:54,987 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:44:54,987 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:44:54,987 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:54,987 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:54,987 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:54,987 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:44:54,990 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:44:54,990 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:55,000 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:55,000 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-18 09:44:55,000 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:44:55,001 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:44:55,001 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:55,001 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:55,001 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:55,001 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:44:55,002 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:44:55,002 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:55,003 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:55,004 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:44:55,006 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:44:55,006 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:55,006 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:55,006 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:55,007 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:44:55,007 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:44:55,007 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:55,008 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:55,009 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:44:55,009 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:44:55,009 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:55,009 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:55,009 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:55,009 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:44:55,010 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:44:55,011 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:55,020 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:55,020 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-18 09:44:55,021 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:44:55,021 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:44:55,022 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:44:55,022 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:55,022 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:55,022 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:55,022 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:44:55,023 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:44:55,023 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:55,026 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:55,026 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:44:55,027 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:44:55,027 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:44:55,027 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:55,028 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:55,028 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:55,028 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:44:55,029 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:44:55,030 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:55,032 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:55,033 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:44:55,033 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:44:55,033 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:44:55,034 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:55,034 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:55,034 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:55,034 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:44:55,035 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:44:55,035 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:55,057 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:55,057 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-18 09:44:55,057 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:44:55,058 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:44:55,060 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:44:55,060 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:55,060 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:55,061 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:55,061 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:44:55,062 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:44:55,062 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:55,065 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:55,066 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:44:55,066 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:44:55,066 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:44:55,067 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:55,067 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:55,067 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:55,067 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:44:55,072 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:44:55,072 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:55,078 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:55,078 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:44:55,079 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:44:55,079 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:44:55,079 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:55,079 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:55,079 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:55,080 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:44:55,082 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:44:55,082 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:55,112 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:55,112 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-18 09:44:55,113 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:44:55,115 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:44:55,115 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:44:55,115 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:55,115 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:55,115 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:55,116 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:44:55,117 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:44:55,117 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:55,118 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:55,118 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:44:55,119 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:44:55,119 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:44:55,119 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:55,119 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:55,120 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:55,120 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:44:55,126 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:44:55,126 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:55,128 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:55,129 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:44:55,129 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:44:55,130 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:44:55,130 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:55,130 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:55,130 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:55,130 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:44:55,132 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:44:55,133 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:55,165 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:55,165 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-18 09:44:55,165 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:44:55,166 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:44:55,166 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:44:55,166 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:55,166 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:55,166 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:55,166 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:44:55,167 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:44:55,167 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:55,171 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:55,172 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:44:55,172 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:44:55,172 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:44:55,172 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:55,173 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:55,173 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:55,173 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:44:55,173 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:44:55,174 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:55,177 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:55,178 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:44:55,178 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:44:55,178 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:44:55,178 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:55,179 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:55,179 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:55,179 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:44:55,182 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:44:55,182 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:55,188 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:55,189 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-18 09:44:55,189 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:44:55,190 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:44:55,190 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:44:55,190 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:55,190 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:55,190 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:55,190 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:44:55,191 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:44:55,191 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:55,197 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:55,197 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:44:55,199 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:44:55,199 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:44:55,199 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:55,199 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:55,199 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:55,200 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:44:55,201 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:44:55,201 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:55,210 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:55,210 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:44:55,211 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:44:55,211 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:44:55,211 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:44:55,211 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:44:55,211 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:44:55,211 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:44:55,214 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:44:55,215 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:44:55,224 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:44:55,255 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 09:44:55,256 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 09:44:55,256 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 09:44:55,256 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 09:44:55,256 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 09:44:55,257 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:44:55,257 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 09:44:55,257 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 09:44:55,257 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-18 09:44:55,257 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 09:44:55,257 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 09:44:55,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:44:55,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:44:55,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:44:55,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:44:55,341 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 09:44:55,341 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:44:55,349 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:44:55,349 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:44:55,352 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 09:44:55,353 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:44:55,373 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:44:55,373 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:44:55,390 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 09:44:55,390 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:44:55,411 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 09:44:55,411 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=1} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=4}, {ULTIMATE.start_main_~y~0=5}, {ULTIMATE.start_main_~y~0=-8}] Lambdas: [2, 2, 2] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:44:55,433 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:44:55,433 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:44:55,436 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 09:44:55,437 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_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:44:55,452 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:44:55,452 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:44:55,471 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 09:44:55,471 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:45:08,488 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-18 09:45:08,492 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 09:45:08,492 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 09:45:08,492 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 09:45:08,492 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 09:45:08,492 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 09:45:08,492 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:45:08,492 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 09:45:08,492 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 09:45:08,492 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-18 09:45:08,492 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 09:45:08,492 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 09:45:08,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:45:08,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:45:08,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:45:08,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:45:08,550 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 09:45:08,550 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 09:45:08,551 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:08,551 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:08,551 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:08,551 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:08,552 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:45:08,553 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:45:08,553 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 09:45:08,557 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:08,557 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:08,559 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:08,559 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:08,559 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:08,559 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:08,559 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:45:08,559 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 09:45:08,559 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:08,560 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:08,560 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:08,560 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:08,560 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:08,561 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:08,561 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:45:08,562 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:45:08,562 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 09:45:08,567 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:08,568 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:08,568 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:08,568 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:08,569 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:08,569 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:08,569 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:45:08,569 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 09:45:08,569 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:08,570 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:08,570 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-18 09:45:08,570 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:08,571 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:08,571 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:08,571 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:08,571 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:45:08,576 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 09:45:08,576 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 09:45:08,586 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:08,587 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:08,587 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:08,587 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:08,588 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:08,588 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:08,588 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:45:08,590 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:45:08,590 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:08,590 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:08,591 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:08,591 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:08,591 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:08,591 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:08,592 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:45:08,593 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 09:45:08,593 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 09:45:08,599 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:08,599 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:08,600 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:08,600 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:08,600 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:08,600 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:08,600 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:45:08,600 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:45:08,601 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:08,601 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:08,601 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-18 09:45:08,601 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:08,602 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:08,602 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:08,602 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:08,602 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:08,604 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 09:45:08,604 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 09:45:08,622 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:08,622 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:08,622 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:08,623 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:08,623 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:08,623 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:08,623 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:08,623 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:45:08,624 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:08,624 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:08,627 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:08,627 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:08,627 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:08,627 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:08,629 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:08,631 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 09:45:08,631 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 09:45:08,640 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:08,640 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:08,641 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:08,641 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:08,641 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:08,641 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:08,641 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:08,642 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:45:08,642 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:08,642 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:08,642 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-18 09:45:08,643 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:08,643 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:08,643 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:08,643 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:08,643 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:45:08,645 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 09:45:08,646 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 09:45:08,669 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:08,669 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:08,670 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:08,670 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:08,670 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:08,670 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:08,671 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:45:08,671 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:45:08,671 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:08,671 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:08,672 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:08,672 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:08,672 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:08,672 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:08,673 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:45:08,674 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 09:45:08,674 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 09:45:08,682 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:08,682 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:08,682 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:08,682 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:08,683 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:08,683 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:08,683 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:45:08,683 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:45:08,683 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:08,684 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:08,684 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-18 09:45:08,684 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:08,685 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:08,685 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:45:08,685 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:08,685 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:08,685 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:45:08,687 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 09:45:08,687 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 09:45:08,736 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:08,736 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:08,736 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:08,736 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:45:08,737 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:08,737 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:08,737 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:08,737 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:45:08,737 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:45:08,738 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:08,741 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:08,741 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 [2018-11-18 09:45:08,742 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:08,742 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:45:08,742 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:08,742 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:08,742 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:45:08,744 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 09:45:08,744 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 09:45:08,755 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:08,756 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:08,756 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:08,756 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:45:08,756 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:08,756 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:08,757 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:08,757 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:45:08,757 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:45:08,757 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:08,758 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:08,758 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-18 09:45:08,758 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:08,759 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:08,759 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:45:08,759 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:08,759 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:08,759 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:08,762 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 09:45:08,762 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 09:45:08,976 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:08,977 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:08,977 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:08,977 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:45:08,977 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:08,977 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:08,977 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:08,978 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:08,978 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:45:08,978 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:08,979 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:08,979 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:08,979 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:08,980 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:45:08,980 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:08,980 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:08,980 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:08,981 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 09:45:08,982 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 09:45:08,995 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:08,996 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:08,996 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:08,996 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:45:08,996 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:08,996 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:08,997 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:08,997 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:08,997 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:45:08,997 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:08,998 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:08,998 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-18 09:45:08,998 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:08,999 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:08,999 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:45:08,999 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:08,999 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:08,999 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:45:09,002 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 09:45:09,003 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 09:45:09,827 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:09,828 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:09,828 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:09,828 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:45:09,828 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:09,829 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:09,829 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:09,829 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:45:09,830 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:45:09,830 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:09,830 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:09,830 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 [2018-11-18 09:45:09,831 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:09,831 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:45:09,831 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:09,831 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:09,831 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:45:09,833 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 09:45:09,834 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 09:45:09,853 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:09,854 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:09,854 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:09,854 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:45:09,854 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:09,854 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:09,855 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:09,855 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:45:09,855 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:45:09,855 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:09,856 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:09,856 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-18 09:45:09,856 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:09,857 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:09,857 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:45:09,857 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:09,857 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:09,857 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:09,859 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 09:45:09,859 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 09:45:09,875 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:09,875 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:09,875 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:09,876 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:45:09,876 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:09,876 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:09,876 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:09,876 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:09,876 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:45:09,876 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:09,877 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:09,877 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 [2018-11-18 09:45:09,878 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:09,878 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:45:09,878 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:09,878 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:09,878 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:09,879 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 09:45:09,879 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 09:45:09,887 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:09,888 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:09,888 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:09,888 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:45:09,888 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:09,889 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:09,889 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:09,889 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:09,889 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:45:09,889 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:09,890 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:09,890 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-18 09:45:09,890 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:09,890 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:09,890 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:45:09,891 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:09,891 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:09,891 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:45:09,897 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-18 09:45:09,897 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-18 09:45:10,165 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:10,166 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:10,166 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:10,166 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:45:10,166 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:10,167 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:10,167 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:10,167 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:45:10,167 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:45:10,167 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:10,169 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:10,169 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:10,169 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:10,169 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:45:10,169 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:10,170 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:10,170 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:45:10,172 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-18 09:45:10,172 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-18 09:45:10,200 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:10,201 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:10,201 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:10,201 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:45:10,202 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:10,202 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:10,202 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:10,202 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:45:10,202 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:45:10,202 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:10,204 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:10,205 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-18 09:45:10,205 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 9#L11-3true [2018-11-18 09:45:10,205 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 9#L11-3true [2018-11-18 09:45:10,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:45:10,206 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 2 times [2018-11-18 09:45:10,206 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:45:10,206 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:45:10,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:45:10,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:45:10,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:45:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:45:10,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:45:10,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:45:10,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 2 times [2018-11-18 09:45:10,213 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:45:10,213 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:45:10,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:45:10,213 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:45:10,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:45:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:45:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:45:10,223 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:45:10,223 INFO L82 PathProgramCache]: Analyzing trace with hash 889541199, now seen corresponding path program 3 times [2018-11-18 09:45:10,223 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:45:10,224 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:45:10,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:45:10,224 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 09:45:10,224 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:45:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:45:10,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:45:10,281 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 09:45:10,281 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 09:45:10,281 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 09:45:10,281 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 09:45:10,281 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 09:45:10,281 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:45:10,281 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 09:45:10,281 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 09:45:10,281 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-18 09:45:10,282 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 09:45:10,282 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 09:45:10,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:45:10,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:45:10,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:45:10,350 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 09:45:10,350 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:45:10,362 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:45:10,362 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:45:10,373 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 09:45:10,373 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:45:10,398 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:45:10,398 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:45:10,409 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 09:45:10,409 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:45:10,439 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:45:10,439 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:45:10,469 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 09:45:10,469 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:45:23,355 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-18 09:45:23,359 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 09:45:23,359 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 09:45:23,360 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 09:45:23,360 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 09:45:23,360 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 09:45:23,360 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:45:23,360 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 09:45:23,360 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 09:45:23,360 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-18 09:45:23,360 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 09:45:23,360 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 09:45:23,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:45:23,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:45:23,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:45:23,416 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 09:45:23,416 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 09:45:23,416 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,417 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:23,417 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,417 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,417 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,417 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:45:23,417 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 09:45:23,417 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,418 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,418 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,418 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:23,419 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,419 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,419 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,419 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:45:23,419 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 09:45:23,419 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,420 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,420 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,420 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:23,420 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,421 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,421 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,421 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:45:23,421 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 09:45:23,421 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,423 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,423 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-18 09:45:23,423 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,424 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:23,424 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,424 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,424 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,424 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:45:23,424 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:45:23,424 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,425 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,425 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,425 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:23,425 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,425 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,426 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,426 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:45:23,426 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:45:23,426 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,427 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,427 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,427 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:23,427 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,427 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,427 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,427 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:45:23,428 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:45:23,428 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,430 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,430 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-18 09:45:23,430 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,430 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:23,431 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,431 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,431 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,431 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:23,431 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:45:23,431 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,432 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,432 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,435 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:23,435 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,436 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,436 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,436 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:23,436 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:45:23,436 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,437 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,437 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,443 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:23,444 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,444 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,444 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,444 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:23,444 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:45:23,444 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,446 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,447 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-18 09:45:23,447 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,447 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:23,447 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,448 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,448 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,448 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:45:23,448 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:45:23,448 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,449 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,449 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,449 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:23,449 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,449 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,449 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,449 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:45:23,450 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:45:23,450 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,450 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,451 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,451 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:23,451 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,451 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,451 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,451 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:45:23,452 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:45:23,452 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,457 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,457 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-18 09:45:23,458 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,458 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:23,458 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:45:23,458 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,459 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,459 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,459 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:45:23,459 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:45:23,459 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,460 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,460 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,461 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:23,461 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:45:23,461 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,461 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,461 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,461 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:45:23,462 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:45:23,462 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,463 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,463 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,464 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:23,464 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:45:23,464 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,464 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,464 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,464 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:45:23,465 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:45:23,465 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,471 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,471 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-18 09:45:23,471 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,472 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:23,476 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:45:23,476 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,476 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,477 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,477 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:23,477 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:45:23,477 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,478 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,479 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,479 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:23,480 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:45:23,480 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,480 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,481 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,481 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:23,482 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:45:23,482 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,484 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,484 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,485 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:23,485 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:45:23,485 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,485 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,485 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,485 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:23,486 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:45:23,486 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,497 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,497 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-18 09:45:23,498 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,498 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:23,498 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:45:23,498 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,498 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,498 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,498 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:45:23,499 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:45:23,499 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,500 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,500 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,501 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:23,501 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:45:23,501 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,501 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,501 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,501 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:45:23,504 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:45:23,504 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,505 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,506 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,506 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:23,506 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:45:23,506 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,506 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,507 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,507 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:45:23,508 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:45:23,508 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,521 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,521 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-18 09:45:23,521 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,521 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:23,522 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:45:23,522 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,522 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,522 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,522 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:23,522 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:45:23,522 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,523 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,524 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,524 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:23,524 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:45:23,524 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,524 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,524 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,525 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:23,525 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:45:23,525 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,527 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,528 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,528 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:23,528 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:45:23,528 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,528 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,528 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,529 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:23,529 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:45:23,529 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,533 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,533 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-18 09:45:23,533 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,533 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:23,534 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:45:23,534 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,534 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,534 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,534 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:45:23,534 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:45:23,535 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,537 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,537 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,537 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:23,537 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:45:23,537 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,538 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,538 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,538 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:45:23,539 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:45:23,539 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,545 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,545 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:23,546 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:23,546 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:45:23,546 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:23,546 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:23,546 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:23,546 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:45:23,547 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:45:23,547 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:23,554 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:23,586 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 09:45:23,586 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 09:45:23,586 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 09:45:23,586 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 09:45:23,587 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 09:45:23,587 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:45:23,587 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 09:45:23,587 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 09:45:23,587 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-18 09:45:23,587 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 09:45:23,587 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 09:45:23,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:45:23,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:45:23,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:45:23,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:45:23,659 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 09:45:23,660 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:45:23,669 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 09:45:23,669 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e38e273-2416-4fef-933f-f2befc385651/bin-2019/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:45:23,701 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 09:45:23,702 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 09:45:35,743 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-18 09:45:35,747 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 09:45:35,747 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 09:45:35,747 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 09:45:35,747 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 09:45:35,747 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 09:45:35,747 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 09:45:35,747 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 09:45:35,747 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 09:45:35,747 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-18 09:45:35,747 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 09:45:35,747 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 09:45:35,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:45:35,757 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:45:35,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:45:35,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 09:45:35,845 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 09:45:35,845 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 09:45:35,846 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:35,846 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:35,846 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:35,846 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:35,847 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:45:35,847 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:45:35,847 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 09:45:35,852 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:35,852 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:35,853 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:35,853 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:35,853 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:35,853 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:35,853 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:45:35,854 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 09:45:35,854 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:35,854 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:35,854 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:35,855 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:35,855 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:35,855 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:35,855 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:45:35,856 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:45:35,856 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 09:45:35,859 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:35,859 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:35,860 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:35,860 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:35,860 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:35,860 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:35,860 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 09:45:35,860 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 09:45:35,861 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:35,861 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:35,861 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-18 09:45:35,861 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:35,861 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:35,862 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:35,862 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:35,862 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:45:35,863 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 09:45:35,863 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 09:45:35,869 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:35,869 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:35,870 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:35,870 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:35,870 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:35,870 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:35,870 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:45:35,870 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:45:35,871 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:35,871 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:35,871 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:35,871 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:35,872 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:35,872 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:35,872 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:45:35,873 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 09:45:35,873 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 09:45:35,880 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:35,880 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:35,880 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:35,881 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:35,881 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:35,881 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:35,881 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:45:35,881 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:45:35,881 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:35,882 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:35,882 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-18 09:45:35,882 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 [2018-11-18 09:45:35,882 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:35,883 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:35,883 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:35,883 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:35,884 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 09:45:35,884 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 09:45:35,891 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:35,891 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:35,891 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:35,891 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:35,892 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:35,892 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:35,892 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:35,892 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:45:35,892 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:35,893 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:35,893 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 [2018-11-18 09:45:35,893 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:35,893 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:35,893 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:35,893 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:35,895 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 09:45:35,895 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 09:45:35,908 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:35,908 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:35,909 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:35,909 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:35,909 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:35,909 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:35,909 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:35,909 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:45:35,910 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:35,910 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:35,910 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-18 09:45:35,910 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:35,911 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:35,911 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:35,911 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:35,911 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:45:35,912 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 09:45:35,912 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 09:45:35,922 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:35,922 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:35,922 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:35,922 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:35,923 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:35,923 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:35,923 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:45:35,923 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:45:35,923 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:35,924 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:35,924 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:35,924 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:35,925 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:35,925 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:35,925 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:45:35,926 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 09:45:35,927 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 09:45:35,951 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:35,952 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 [2018-11-18 09:45:35,952 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 09:45:35,953 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:35,953 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:35,953 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:35,953 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:45:35,953 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:45:35,953 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:35,954 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:35,954 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-18 09:45:35,954 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:35,955 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:35,955 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:45:35,955 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:35,955 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:35,955 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:45:35,956 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 09:45:35,957 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 09:45:35,975 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:35,975 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:35,975 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:35,975 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:45:35,976 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:35,976 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:35,976 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:35,976 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:45:35,976 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:45:35,976 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:35,977 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:35,977 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:35,977 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:35,978 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:45:35,978 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:35,978 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:35,978 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:45:35,979 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 09:45:35,979 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 09:45:36,024 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:36,024 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:36,025 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:36,025 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:45:36,025 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:36,025 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:36,025 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:36,025 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 09:45:36,026 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 09:45:36,026 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:36,026 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:36,026 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-18 09:45:36,026 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:36,027 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:36,027 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:45:36,027 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:36,027 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:36,027 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:36,029 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 09:45:36,029 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 09:45:36,056 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:36,057 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:36,057 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:36,057 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:45:36,057 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:36,058 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:36,101 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:36,101 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:36,102 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:45:36,102 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:36,104 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:36,104 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:36,104 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:36,105 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:45:36,105 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:36,105 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:36,105 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:36,109 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 09:45:36,110 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 09:45:36,344 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:36,345 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:36,345 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:36,345 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 09:45:36,346 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:36,346 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:36,346 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:36,346 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:36,347 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:45:36,347 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:36,348 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:36,348 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-18 09:45:36,348 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:36,349 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:36,349 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:45:36,349 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:36,349 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:36,349 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:45:36,352 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 09:45:36,352 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 09:45:36,405 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:36,406 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:36,406 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:36,406 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:45:36,406 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:36,406 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:36,406 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:36,407 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:45:36,407 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:45:36,407 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:36,408 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:36,408 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:36,409 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:36,409 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:45:36,409 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:36,409 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:36,409 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:45:36,413 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 09:45:36,413 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 09:45:37,040 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:37,041 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:37,041 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:37,041 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:45:37,041 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:37,041 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:37,042 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:37,042 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 09:45:37,042 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 09:45:37,043 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:37,043 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:37,043 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-18 09:45:37,044 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:37,044 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:37,044 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:45:37,044 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:37,044 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:37,044 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:37,046 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 09:45:37,046 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 09:45:37,063 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:37,063 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:37,064 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:37,064 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:45:37,064 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:37,064 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:37,064 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:37,064 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:37,064 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:45:37,064 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:37,065 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:37,066 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:37,066 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:37,066 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:45:37,066 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:37,066 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:37,066 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:37,068 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 09:45:37,068 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 09:45:37,086 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:37,086 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:37,087 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:37,087 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 09:45:37,087 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:37,087 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:37,087 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:37,087 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 09:45:37,087 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 09:45:37,088 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:37,088 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:37,088 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-18 09:45:37,089 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:37,089 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:37,089 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:45:37,089 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:37,089 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:37,090 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:45:37,091 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-18 09:45:37,092 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-18 09:45:37,132 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:37,132 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:37,133 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:37,133 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:45:37,133 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:37,133 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:37,133 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:37,133 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:45:37,134 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:45:37,134 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:37,136 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:37,136 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:37,136 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:37,136 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:45:37,137 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:37,137 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:37,137 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:45:37,139 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-18 09:45:37,139 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-18 09:45:37,319 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:37,320 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 09:45:37,320 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 09:45:37,320 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 09:45:37,320 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 09:45:37,321 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 09:45:37,321 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 09:45:37,321 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 09:45:37,321 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 09:45:37,321 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 09:45:37,322 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 09:45:37,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 09:45:37 BoogieIcfgContainer [2018-11-18 09:45:37,327 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 09:45:37,328 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:45:37,328 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:45:37,328 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:45:37,328 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:44:38" (3/4) ... [2018-11-18 09:45:37,331 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 09:45:37,331 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:45:37,332 INFO L168 Benchmark]: Toolchain (without parser) took 59555.23 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 396.4 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -92.6 MB). Peak memory consumption was 303.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:45:37,333 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:45:37,333 INFO L168 Benchmark]: CACSL2BoogieTranslator took 154.43 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:45:37,334 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.67 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:45:37,334 INFO L168 Benchmark]: Boogie Preprocessor took 11.62 ms. Allocated memory is still 1.0 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:45:37,334 INFO L168 Benchmark]: RCFGBuilder took 157.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -177.9 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:45:37,335 INFO L168 Benchmark]: BuchiAutomizer took 59202.13 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 260.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 71.9 MB). Peak memory consumption was 408.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:45:37,335 INFO L168 Benchmark]: Witness Printer took 3.46 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:45:37,338 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 154.43 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.67 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.62 ms. Allocated memory is still 1.0 GB. Free memory is still 946.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 157.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -177.9 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 59202.13 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 260.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 71.9 MB). Peak memory consumption was 408.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.46 ms. Allocated memory is still 1.4 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 59.1s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 59.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp65 ukn100 mio100 lsp100 div401 bol100 ite100 ukn100 eq146 hnf49 smp92 dnf100 smp100 tf103 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 43ms VariablesStem: 1 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 25.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1;" "assume true;" "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0;" Loop: "assume true;" "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...