./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call1_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_76abf0f7-f9da-4121-b193-8d95aed0cb57/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_76abf0f7-f9da-4121-b193-8d95aed0cb57/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_76abf0f7-f9da-4121-b193-8d95aed0cb57/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_76abf0f7-f9da-4121-b193-8d95aed0cb57/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call1_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_76abf0f7-f9da-4121-b193-8d95aed0cb57/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_76abf0f7-f9da-4121-b193-8d95aed0cb57/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 6a0edfd90480f917557019c272eaa2ec2221428a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:44:37,408 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:44:37,409 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:44:37,415 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:44:37,415 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:44:37,416 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:44:37,417 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:44:37,418 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:44:37,419 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:44:37,420 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:44:37,420 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:44:37,421 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:44:37,422 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:44:37,422 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:44:37,423 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:44:37,423 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:44:37,424 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:44:37,425 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:44:37,426 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:44:37,428 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:44:37,429 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:44:37,429 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:44:37,431 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:44:37,431 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:44:37,431 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:44:37,432 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:44:37,432 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:44:37,433 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:44:37,433 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:44:37,434 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:44:37,434 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:44:37,434 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:44:37,434 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:44:37,435 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:44:37,435 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:44:37,435 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:44:37,436 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_76abf0f7-f9da-4121-b193-8d95aed0cb57/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-23 07:44:37,445 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:44:37,446 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:44:37,446 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 07:44:37,447 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 07:44:37,447 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 07:44:37,447 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 07:44:37,447 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 07:44:37,447 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 07:44:37,448 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 07:44:37,448 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 07:44:37,448 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 07:44:37,448 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:44:37,448 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:44:37,448 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 07:44:37,448 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:44:37,449 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:44:37,449 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:44:37,449 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 07:44:37,449 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 07:44:37,449 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 07:44:37,450 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:44:37,451 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:44:37,451 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 07:44:37,451 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:44:37,451 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 07:44:37,451 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:44:37,451 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:44:37,451 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 07:44:37,452 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:44:37,452 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 07:44:37,452 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 07:44:37,452 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 07:44:37,453 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_76abf0f7-f9da-4121-b193-8d95aed0cb57/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 -> 6a0edfd90480f917557019c272eaa2ec2221428a [2018-11-23 07:44:37,477 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:44:37,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:44:37,489 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:44:37,490 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:44:37,490 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:44:37,491 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_76abf0f7-f9da-4121-b193-8d95aed0cb57/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call1_true-termination.i [2018-11-23 07:44:37,531 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_76abf0f7-f9da-4121-b193-8d95aed0cb57/bin-2019/uautomizer/data/602f0238b/804b3ca6c10b470ba7ab0e5f8286b21b/FLAG7c7093bd6 [2018-11-23 07:44:37,936 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:44:37,936 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_76abf0f7-f9da-4121-b193-8d95aed0cb57/sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call1_true-termination.i [2018-11-23 07:44:37,940 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_76abf0f7-f9da-4121-b193-8d95aed0cb57/bin-2019/uautomizer/data/602f0238b/804b3ca6c10b470ba7ab0e5f8286b21b/FLAG7c7093bd6 [2018-11-23 07:44:37,951 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_76abf0f7-f9da-4121-b193-8d95aed0cb57/bin-2019/uautomizer/data/602f0238b/804b3ca6c10b470ba7ab0e5f8286b21b [2018-11-23 07:44:37,954 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:44:37,954 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:44:37,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:44:37,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:44:37,958 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:44:37,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:44:37" (1/1) ... [2018-11-23 07:44:37,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45707243 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:44:37, skipping insertion in model container [2018-11-23 07:44:37,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:44:37" (1/1) ... [2018-11-23 07:44:37,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:44:37,980 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:44:38,087 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:44:38,090 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:44:38,101 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:44:38,108 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:44:38,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:44:38 WrapperNode [2018-11-23 07:44:38,109 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:44:38,109 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:44:38,109 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:44:38,110 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:44:38,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:44:38" (1/1) ... [2018-11-23 07:44:38,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:44:38" (1/1) ... [2018-11-23 07:44:38,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:44:38,130 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:44:38,130 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:44:38,130 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:44:38,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:44:38" (1/1) ... [2018-11-23 07:44:38,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:44:38" (1/1) ... [2018-11-23 07:44:38,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:44:38" (1/1) ... [2018-11-23 07:44:38,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:44:38" (1/1) ... [2018-11-23 07:44:38,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:44:38" (1/1) ... [2018-11-23 07:44:38,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:44:38" (1/1) ... [2018-11-23 07:44:38,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:44:38" (1/1) ... [2018-11-23 07:44:38,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:44:38,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:44:38,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:44:38,176 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:44:38,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:44:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76abf0f7-f9da-4121-b193-8d95aed0cb57/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 [2018-11-23 07:44:38,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:44:38,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:44:38,291 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:44:38,291 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 07:44:38,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:44:38 BoogieIcfgContainer [2018-11-23 07:44:38,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:44:38,292 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 07:44:38,292 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 07:44:38,294 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 07:44:38,295 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 07:44:38,295 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 07:44:37" (1/3) ... [2018-11-23 07:44:38,296 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f73856c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 07:44:38, skipping insertion in model container [2018-11-23 07:44:38,296 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 07:44:38,296 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:44:38" (2/3) ... [2018-11-23 07:44:38,296 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f73856c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 07:44:38, skipping insertion in model container [2018-11-23 07:44:38,296 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 07:44:38,297 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:44:38" (3/3) ... [2018-11-23 07:44:38,298 INFO L375 chiAutomizerObserver]: Analyzing ICFG underapprox_true-unreach-call1_true-termination.i [2018-11-23 07:44:38,342 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 07:44:38,342 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 07:44:38,342 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 07:44:38,342 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 07:44:38,342 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:44:38,342 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:44:38,343 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 07:44:38,343 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:44:38,343 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 07:44:38,352 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-23 07:44:38,365 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-23 07:44:38,365 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 07:44:38,365 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 07:44:38,370 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-23 07:44:38,370 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-23 07:44:38,370 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 07:44:38,370 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-23 07:44:38,371 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-23 07:44:38,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 07:44:38,371 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 07:44:38,372 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-23 07:44:38,372 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-23 07:44:38,378 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-2true [2018-11-23 07:44:38,378 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-2true 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#L11-2true [2018-11-23 07:44:38,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:44:38,383 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-23 07:44:38,384 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:44:38,385 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:44:38,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:44:38,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:44:38,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:44:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:44:38,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:44:38,444 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:44:38,444 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-11-23 07:44:38,444 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:44:38,444 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:44:38,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:44:38,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:44:38,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:44:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:44:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:44:38,453 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:44:38,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-11-23 07:44:38,454 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:44:38,454 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:44:38,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:44:38,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:44:38,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:44:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:44:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:44:38,504 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 07:44:38,505 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 07:44:38,505 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 07:44:38,505 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 07:44:38,505 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 07:44:38,506 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:44:38,506 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 07:44:38,506 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 07:44:38,506 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-23 07:44:38,506 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 07:44:38,506 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 07:44:38,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:44:38,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:44:38,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:44:38,639 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 07:44:38,640 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76abf0f7-f9da-4121-b193-8d95aed0cb57/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 [2018-11-23 07:44:38,648 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 07:44:38,648 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 07:44:38,658 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 07:44:38,658 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_76abf0f7-f9da-4121-b193-8d95aed0cb57/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 [2018-11-23 07:44:38,675 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 07:44:38,675 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 07:44:38,679 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 07:44:38,679 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_76abf0f7-f9da-4121-b193-8d95aed0cb57/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 [2018-11-23 07:44:38,694 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 07:44:38,694 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76abf0f7-f9da-4121-b193-8d95aed0cb57/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 [2018-11-23 07:44:38,711 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 07:44:38,711 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 07:44:40,209 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-23 07:44:40,214 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 07:44:40,214 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 07:44:40,214 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 07:44:40,214 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 07:44:40,214 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 07:44:40,214 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:44:40,214 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 07:44:40,214 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 07:44:40,214 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-23 07:44:40,214 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 07:44:40,215 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 07:44:40,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:44:40,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:44:40,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:44:40,281 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 07:44:40,284 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 07:44:40,285 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:40,286 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:40,286 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,287 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,287 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,287 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:44:40,289 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:44:40,289 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,291 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,292 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:40,292 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:40,292 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,292 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,292 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,293 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:44:40,293 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:44:40,293 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,294 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,295 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:40,295 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:40,295 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,295 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,295 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,296 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:44:40,296 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:44:40,297 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,304 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,304 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-23 07:44:40,304 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:40,305 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:40,305 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,305 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,305 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,305 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:44:40,306 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 07:44:40,306 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,307 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,307 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:40,308 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:40,308 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,308 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,308 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,308 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:44:40,309 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 07:44:40,309 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,310 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,311 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:40,311 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:40,311 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,312 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,312 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,312 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:44:40,313 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 07:44:40,313 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,322 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,322 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-23 07:44:40,322 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:40,323 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:40,323 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,323 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,323 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,323 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:40,324 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:44:40,324 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,325 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,325 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:40,326 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:40,326 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,326 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,326 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,326 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:40,327 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:44:40,327 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,329 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,329 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:40,329 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:40,329 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,330 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,330 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,330 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:40,331 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:44:40,331 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,342 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,342 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-23 07:44:40,342 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:40,343 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:40,343 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,343 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,343 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,343 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:44:40,344 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 07:44:40,344 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,345 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,345 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 [2018-11-23 07:44:40,346 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:40,346 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,346 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,346 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,346 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:44:40,347 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 07:44:40,347 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,348 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,349 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:40,349 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:40,349 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,349 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,350 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,350 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:44:40,351 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 07:44:40,351 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,363 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,363 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-23 07:44:40,363 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:40,364 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:40,364 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:44:40,364 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,364 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,365 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,365 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:44:40,366 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 07:44:40,366 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,367 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,367 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:40,368 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:40,368 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:44:40,368 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,368 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,369 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,369 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:44:40,370 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 07:44:40,371 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,373 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,374 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:40,374 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:40,374 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:44:40,375 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,375 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,375 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,375 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:44:40,376 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 07:44:40,376 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,398 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,399 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-23 07:44:40,399 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:40,400 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:40,400 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 07:44:40,400 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,400 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,400 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,400 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:40,402 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:44:40,402 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,404 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,405 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:40,405 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:40,405 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 07:44:40,405 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,406 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,406 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,406 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:40,409 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:44:40,409 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,413 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,414 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:40,415 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:40,415 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 07:44:40,415 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,415 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,415 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,415 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:40,417 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:44:40,417 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,448 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,448 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-23 07:44:40,448 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:40,449 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:40,449 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:44:40,449 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,449 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,449 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,450 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:44:40,452 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 07:44:40,452 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,453 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,453 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:40,454 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:40,454 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:44:40,454 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,455 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,455 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,455 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:44:40,459 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 07:44:40,460 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,461 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,462 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:40,463 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:40,463 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:44:40,464 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,464 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,464 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,464 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:44:40,467 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 07:44:40,467 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,496 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,496 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-23 07:44:40,497 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:40,497 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:40,497 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:44:40,497 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,498 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,498 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,498 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:40,499 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:44:40,499 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,501 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,501 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:40,502 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:40,502 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:44:40,502 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,502 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,502 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,502 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:40,503 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:44:40,503 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,507 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,507 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:40,508 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:40,508 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:44:40,508 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,508 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,508 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,508 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:40,509 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:44:40,509 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,515 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,515 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-23 07:44:40,515 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:40,516 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:40,516 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:44:40,516 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,516 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,516 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,516 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 07:44:40,517 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:44:40,517 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,521 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,521 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 [2018-11-23 07:44:40,521 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:40,522 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:44:40,522 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,522 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,522 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,522 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 07:44:40,524 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:44:40,524 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,533 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,533 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 [2018-11-23 07:44:40,534 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:40,534 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:44:40,534 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:40,534 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:40,535 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:40,535 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 07:44:40,536 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:44:40,536 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:40,544 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:40,578 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 07:44:40,578 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 07:44:40,578 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 07:44:40,578 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 07:44:40,578 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 07:44:40,578 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:44:40,578 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 07:44:40,579 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 07:44:40,579 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-23 07:44:40,579 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 07:44:40,579 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 07:44:40,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:44:40,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:44:40,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:44:40,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:44:40,668 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 07:44:40,669 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76abf0f7-f9da-4121-b193-8d95aed0cb57/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 [2018-11-23 07:44:40,672 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 07:44:40,672 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 07:44:40,675 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 07:44:40,675 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_76abf0f7-f9da-4121-b193-8d95aed0cb57/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 [2018-11-23 07:44:40,696 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 07:44:40,696 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 07:44:40,699 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 07:44:40,699 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_76abf0f7-f9da-4121-b193-8d95aed0cb57/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 [2018-11-23 07:44:40,719 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 07:44:40,719 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76abf0f7-f9da-4121-b193-8d95aed0cb57/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 [2018-11-23 07:44:40,736 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 07:44:40,736 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 07:44:40,757 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 07:44:40,757 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_76abf0f7-f9da-4121-b193-8d95aed0cb57/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 [2018-11-23 07:44:40,772 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 07:44:40,772 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76abf0f7-f9da-4121-b193-8d95aed0cb57/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 [2018-11-23 07:44:40,791 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 07:44:40,791 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 07:44:52,842 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-23 07:44:52,848 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 07:44:52,848 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 07:44:52,848 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 07:44:52,848 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 07:44:52,848 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 07:44:52,848 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:44:52,848 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 07:44:52,849 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 07:44:52,849 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-23 07:44:52,849 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 07:44:52,849 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 07:44:52,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:44:52,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:44:52,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:44:52,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:44:52,905 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 07:44:52,905 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 07:44:52,906 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:52,906 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:52,906 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:52,907 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:52,907 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:44:52,908 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:44:52,908 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:44:52,914 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:52,914 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:52,914 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:52,915 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:52,915 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:52,915 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:52,915 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:44:52,915 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:44:52,915 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:52,915 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:52,916 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:52,916 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:52,916 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:52,916 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:52,916 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:44:52,917 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:44:52,918 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:44:52,921 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:52,922 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 [2018-11-23 07:44:52,922 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:52,922 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:52,922 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:52,922 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:52,923 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:44:52,923 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:44:52,923 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:52,924 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:52,924 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-23 07:44:52,924 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 [2018-11-23 07:44:52,924 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:52,924 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:52,925 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:52,925 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:44:52,926 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 07:44:52,926 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 07:44:52,934 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:52,935 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:52,935 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:52,935 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:52,936 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:52,936 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:52,936 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:44:52,936 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 07:44:52,936 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:52,937 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:52,937 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:52,937 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:52,937 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:52,937 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:52,937 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:44:52,938 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 07:44:52,938 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 07:44:52,948 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:52,948 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:52,949 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:52,949 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:52,949 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:52,949 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:52,949 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:44:52,950 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 07:44:52,950 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:52,950 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:52,951 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-23 07:44:52,951 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:52,951 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:52,952 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:52,952 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:52,952 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:52,953 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 07:44:52,953 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 07:44:52,963 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:52,964 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:52,964 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:52,964 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:52,965 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:52,965 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:52,965 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:52,965 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:44:52,965 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:52,966 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:52,966 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 [2018-11-23 07:44:52,966 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:52,967 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:52,967 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:52,967 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:52,969 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 07:44:52,969 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 07:44:52,991 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:52,991 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:52,992 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:52,992 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:52,992 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:52,992 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:52,992 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:52,993 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:44:52,993 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:52,993 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:52,993 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-23 07:44:52,994 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:52,994 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:52,994 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:52,994 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:52,995 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:44:52,997 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 07:44:52,997 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 07:44:53,006 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:53,006 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:53,007 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:53,007 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:53,007 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:53,007 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:53,007 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:44:53,008 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 07:44:53,008 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:53,008 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:53,009 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 [2018-11-23 07:44:53,009 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:53,009 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:53,009 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:53,009 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:44:53,011 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 07:44:53,011 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 07:44:53,036 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:53,037 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:53,037 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:53,037 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:53,038 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:53,038 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:53,038 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:44:53,038 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 07:44:53,038 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:53,039 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:53,039 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-23 07:44:53,039 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:53,040 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:53,040 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:44:53,040 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:53,040 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:53,040 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:44:53,042 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 07:44:53,042 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 07:44:53,054 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:53,054 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:53,054 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:53,054 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:44:53,055 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:53,055 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:53,055 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:53,055 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:44:53,055 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 07:44:53,056 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:53,056 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:53,056 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:53,057 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:53,057 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:44:53,057 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:53,057 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:53,057 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:44:53,059 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 07:44:53,059 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 07:44:53,118 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:53,119 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:53,119 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:53,119 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:44:53,119 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:53,119 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:53,120 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:53,120 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:44:53,120 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 07:44:53,120 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:53,121 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:53,121 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-23 07:44:53,121 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:53,122 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:53,122 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 07:44:53,122 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:53,122 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:53,122 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:53,124 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 07:44:53,124 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 07:44:53,169 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:53,170 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:53,171 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:53,171 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 07:44:53,171 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:53,171 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:53,171 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:53,171 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:53,172 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:44:53,172 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:53,173 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:53,173 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:53,173 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:53,174 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 07:44:53,174 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:53,174 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:53,174 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:53,176 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 07:44:53,177 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 07:44:53,434 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:53,434 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:53,435 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:53,435 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 07:44:53,435 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:53,435 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:53,436 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:53,436 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:53,436 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:44:53,436 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:53,438 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:53,438 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-23 07:44:53,439 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:53,439 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:53,439 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:44:53,439 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:53,439 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:53,439 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:44:53,442 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 07:44:53,442 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 07:44:53,468 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:53,468 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:53,469 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:53,469 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:44:53,469 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:53,469 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:53,469 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:53,469 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:44:53,470 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 07:44:53,470 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:53,471 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:53,471 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 [2018-11-23 07:44:53,471 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:53,472 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:44:53,472 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:53,472 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:53,472 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:44:53,476 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 07:44:53,476 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 07:44:54,223 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:54,224 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:54,224 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:54,225 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:44:54,225 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:54,225 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:54,225 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:54,225 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:44:54,226 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 07:44:54,226 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:54,227 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:54,227 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-23 07:44:54,227 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:54,227 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:54,227 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:44:54,228 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:54,228 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:54,228 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:54,229 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 07:44:54,229 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 07:44:54,241 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:54,241 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:54,242 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:54,242 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:44:54,242 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:54,242 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:54,242 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:54,242 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:54,242 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:44:54,243 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:54,243 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:54,244 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:54,244 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:54,244 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:44:54,244 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:54,244 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:54,244 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:54,246 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 07:44:54,246 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 07:44:54,274 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:54,274 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:54,274 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:54,275 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:44:54,275 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:54,275 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:54,275 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:54,275 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:54,275 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:44:54,275 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:54,276 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:54,277 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-23 07:44:54,277 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:54,277 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:54,277 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:44:54,277 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:54,278 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:54,278 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 07:44:54,280 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-23 07:44:54,280 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-23 07:44:54,301 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:54,302 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:54,302 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:54,302 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:44:54,302 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:54,303 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:54,303 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:54,303 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 07:44:54,303 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:44:54,303 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:54,305 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:54,305 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:54,305 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:54,306 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:44:54,306 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:54,306 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:54,306 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 07:44:54,309 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-23 07:44:54,309 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-23 07:44:54,517 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:54,518 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:54,518 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:54,518 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:44:54,518 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:54,518 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:54,519 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:54,519 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 07:44:54,519 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:44:54,519 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:54,521 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:54,522 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-23 07:44:54,522 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 9#L11-2true [2018-11-23 07:44:54,522 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-2true 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#L11-2true [2018-11-23 07:44:54,522 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:44:54,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2018-11-23 07:44:54,523 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:44:54,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:44:54,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:44:54,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:44:54,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:44:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:44:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:44:54,529 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:44:54,529 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2018-11-23 07:44:54,530 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:44:54,530 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:44:54,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:44:54,530 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 07:44:54,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:44:54,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:44:54,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:44:54,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:44:54,534 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2018-11-23 07:44:54,534 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:44:54,534 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:44:54,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:44:54,535 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 07:44:54,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:44:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:44:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 07:44:54,599 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 07:44:54,599 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 07:44:54,600 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 07:44:54,600 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 07:44:54,600 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 07:44:54,600 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:44:54,600 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 07:44:54,600 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 07:44:54,600 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-23 07:44:54,600 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 07:44:54,600 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 07:44:54,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:44:54,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:44:54,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:44:54,708 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 07:44:54,708 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76abf0f7-f9da-4121-b193-8d95aed0cb57/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 [2018-11-23 07:44:54,717 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 07:44:54,717 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 07:44:54,728 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 07:44:54,728 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_76abf0f7-f9da-4121-b193-8d95aed0cb57/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 [2018-11-23 07:44:54,756 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 07:44:54,756 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 07:44:54,759 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 07:44:54,759 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_76abf0f7-f9da-4121-b193-8d95aed0cb57/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 [2018-11-23 07:44:54,788 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 07:44:54,788 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76abf0f7-f9da-4121-b193-8d95aed0cb57/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 [2018-11-23 07:44:54,816 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 07:44:54,816 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 07:44:55,946 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-23 07:44:55,950 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 07:44:55,950 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 07:44:55,950 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 07:44:55,950 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 07:44:55,950 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 07:44:55,950 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:44:55,950 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 07:44:55,950 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 07:44:55,950 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-23 07:44:55,951 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 07:44:55,951 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 07:44:55,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:44:55,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:44:55,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:44:56,004 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 07:44:56,004 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 07:44:56,004 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 [2018-11-23 07:44:56,005 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:56,005 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,005 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,005 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,005 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:44:56,005 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:44:56,005 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,006 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,006 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:56,007 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:56,007 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,007 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,007 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,007 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:44:56,007 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:44:56,007 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,008 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,008 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:56,008 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:56,008 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,008 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,008 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,008 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:44:56,009 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:44:56,009 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,010 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,010 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-23 07:44:56,011 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:56,011 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:56,011 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,021 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,021 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,021 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:44:56,022 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 07:44:56,022 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,022 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,023 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:56,023 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:56,023 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,023 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,023 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,023 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:44:56,024 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 07:44:56,024 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,024 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,024 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 [2018-11-23 07:44:56,025 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:56,025 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,025 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,025 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,025 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:44:56,025 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 07:44:56,025 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,027 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,027 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-23 07:44:56,027 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:56,028 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:56,028 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,028 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,028 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,028 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:56,028 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:44:56,029 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,029 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,029 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:56,029 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:56,029 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,030 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,030 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,030 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:56,030 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:44:56,030 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,031 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,031 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:56,031 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:56,031 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,031 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,031 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,031 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:56,032 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:44:56,032 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,034 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,034 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-23 07:44:56,034 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:56,035 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:56,035 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,035 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,035 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,035 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:44:56,035 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 07:44:56,035 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,036 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,036 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:56,036 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:56,037 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,037 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,037 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,037 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:44:56,037 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 07:44:56,037 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,038 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,038 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:56,038 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:44:56,038 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,039 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,039 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,039 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:44:56,039 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 07:44:56,039 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,042 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,042 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-23 07:44:56,042 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:56,042 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:56,043 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:44:56,043 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,043 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,043 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,043 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:44:56,043 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 07:44:56,043 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,044 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,044 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 [2018-11-23 07:44:56,044 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:56,045 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:44:56,045 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,045 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,045 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,045 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:44:56,046 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 07:44:56,046 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,046 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,047 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:56,047 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:56,047 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:44:56,047 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,047 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,047 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,047 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:44:56,048 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 07:44:56,048 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,053 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,053 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-23 07:44:56,053 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:56,053 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:56,053 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 07:44:56,054 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,054 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,054 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,054 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:56,054 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:44:56,055 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,055 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,056 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:56,056 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:56,056 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 07:44:56,056 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,056 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,056 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,056 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:56,058 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:44:56,058 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,059 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,060 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:56,060 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:56,060 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 07:44:56,060 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,060 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,061 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,061 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:56,062 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:44:56,062 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,072 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,072 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-23 07:44:56,072 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:56,073 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:56,073 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:44:56,073 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,073 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,073 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,073 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:44:56,074 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 07:44:56,074 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,075 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,075 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:56,076 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:56,076 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:44:56,076 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,076 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,076 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,076 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:44:56,080 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 07:44:56,080 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,081 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,081 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:56,082 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:56,082 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:44:56,082 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,082 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,082 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,082 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:44:56,084 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 07:44:56,084 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,102 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,102 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-23 07:44:56,102 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:56,102 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:56,103 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:44:56,103 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,103 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,103 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,103 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:56,103 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:44:56,104 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,105 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,105 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:56,105 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:56,106 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:44:56,106 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,106 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,106 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,106 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:56,107 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:44:56,107 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,109 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,109 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:56,110 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:56,110 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:44:56,110 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,110 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,110 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,110 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:44:56,111 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:44:56,111 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,114 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,115 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-23 07:44:56,115 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:56,115 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:56,116 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:44:56,116 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,116 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,116 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,116 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 07:44:56,117 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:44:56,117 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,119 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,119 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:56,120 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:56,120 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:44:56,120 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,120 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,120 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,120 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 07:44:56,122 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:44:56,122 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,128 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,128 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:44:56,129 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:44:56,129 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:44:56,129 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:44:56,129 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:44:56,129 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:44:56,130 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 07:44:56,130 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:44:56,131 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:44:56,138 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:44:56,181 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 07:44:56,181 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 07:44:56,182 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 07:44:56,182 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 07:44:56,182 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 07:44:56,182 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:44:56,182 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 07:44:56,182 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 07:44:56,182 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-23 07:44:56,182 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 07:44:56,182 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 07:44:56,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:44:56,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:44:56,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:44:56,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:44:56,240 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 07:44:56,240 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76abf0f7-f9da-4121-b193-8d95aed0cb57/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 [2018-11-23 07:44:56,253 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 07:44:56,253 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76abf0f7-f9da-4121-b193-8d95aed0cb57/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 [2018-11-23 07:44:56,280 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 07:44:56,281 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 07:44:56,290 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 07:44:56,290 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=2} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=7}, {ULTIMATE.start_main_~y~0=3}, {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_76abf0f7-f9da-4121-b193-8d95aed0cb57/bin-2019/uautomizer/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:44:56,308 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 07:44:56,308 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 07:44:56,311 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 07:44:56,311 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_76abf0f7-f9da-4121-b193-8d95aed0cb57/bin-2019/uautomizer/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:44:56,332 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 07:44:56,332 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_76abf0f7-f9da-4121-b193-8d95aed0cb57/bin-2019/uautomizer/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:44:56,390 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 07:44:56,390 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 07:45:08,432 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-23 07:45:08,436 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 07:45:08,437 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 07:45:08,437 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 07:45:08,437 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 07:45:08,437 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 07:45:08,437 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 07:45:08,437 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 07:45:08,437 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 07:45:08,437 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-23 07:45:08,437 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 07:45:08,437 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 07:45:08,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:45:08,451 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:45:08,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:45:08,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 07:45:08,541 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 07:45:08,541 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 07:45:08,541 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:08,542 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:45:08,542 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:08,542 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:08,542 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:45:08,543 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:45:08,543 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:45:08,546 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:08,546 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:08,547 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:45:08,547 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:08,553 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:08,553 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:45:08,554 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:45:08,554 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 07:45:08,558 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:08,558 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:08,558 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:45:08,559 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:45:08,559 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:08,559 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:08,559 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:45:08,559 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:45:08,559 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:45:08,559 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:08,560 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 [2018-11-23 07:45:08,560 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:45:08,560 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:45:08,560 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:08,560 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:08,560 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 07:45:08,561 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 07:45:08,561 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:45:08,561 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:08,561 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-23 07:45:08,561 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:08,562 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:45:08,562 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:08,562 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:08,562 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:45:08,563 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 07:45:08,563 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 07:45:08,570 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:08,570 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 [2018-11-23 07:45:08,570 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:45:08,571 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:08,571 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:08,571 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:45:08,572 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 07:45:08,572 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 07:45:08,577 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:08,578 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:08,578 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:45:08,578 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:45:08,578 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:08,579 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:08,579 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:45:08,579 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 07:45:08,579 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:45:08,579 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:08,580 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:08,580 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:45:08,580 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:45:08,580 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:08,580 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:08,580 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:45:08,581 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 07:45:08,581 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:45:08,581 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:08,581 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-23 07:45:08,581 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:08,582 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:45:08,582 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:08,582 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:08,582 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:45:08,583 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 07:45:08,583 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 07:45:08,601 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:08,601 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 [2018-11-23 07:45:08,602 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:45:08,602 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:08,602 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:08,602 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:45:08,603 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 07:45:08,603 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 07:45:08,609 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:08,610 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:08,610 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:45:08,610 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:45:08,610 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:08,610 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:08,611 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:45:08,611 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:45:08,611 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:45:08,611 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:08,612 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:08,612 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:45:08,612 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:45:08,612 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:08,612 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:08,612 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:45:08,613 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:45:08,613 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:45:08,613 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:08,613 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-23 07:45:08,613 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:08,614 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:45:08,614 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:08,614 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:08,614 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:45:08,615 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 07:45:08,615 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 07:45:08,635 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:08,635 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:08,635 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:45:08,636 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:08,636 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:08,636 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:45:08,637 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 07:45:08,637 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 07:45:08,644 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:08,644 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:08,645 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:45:08,645 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:45:08,645 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:08,645 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:08,645 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:45:08,645 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 07:45:08,646 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:45:08,646 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:08,646 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:08,646 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 07:45:08,647 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:45:08,647 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:08,647 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:08,647 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:45:08,647 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 07:45:08,647 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:45:08,648 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:08,648 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-23 07:45:08,648 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:08,648 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:45:08,648 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:45:08,649 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:08,649 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:08,649 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:45:08,650 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 07:45:08,650 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 07:45:08,696 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:08,697 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:08,697 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:45:08,697 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:45:08,697 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:08,698 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:08,698 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:45:08,699 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 07:45:08,699 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 07:45:08,710 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:08,711 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:08,711 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:45:08,711 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:45:08,711 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:45:08,711 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:08,711 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:08,712 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:45:08,712 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 07:45:08,712 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:45:08,712 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:08,713 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:08,713 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:45:08,713 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:45:08,713 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:45:08,713 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:08,713 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:08,713 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 07:45:08,714 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 07:45:08,714 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:45:08,714 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:08,714 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-23 07:45:08,714 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:08,715 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:45:08,715 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 07:45:08,715 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:08,715 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:08,715 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:45:08,717 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 07:45:08,717 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 07:45:08,879 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:08,880 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 [2018-11-23 07:45:08,880 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:45:08,880 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 07:45:08,880 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:08,880 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:08,881 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:45:08,882 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 07:45:08,882 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 07:45:08,913 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:08,914 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:08,914 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:45:08,914 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 07:45:08,914 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:45:08,914 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:08,914 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:08,914 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:45:08,915 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:45:08,915 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:45:08,916 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:08,916 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:08,916 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:45:08,916 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 07:45:08,916 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:45:08,917 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:08,917 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:08,917 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:45:08,917 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:45:08,917 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:45:08,918 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:08,918 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-23 07:45:08,918 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:08,918 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:45:08,919 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:45:08,919 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:08,919 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:08,919 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:45:08,922 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 07:45:08,923 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 07:45:09,685 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:09,685 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:09,686 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:45:09,686 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:45:09,686 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:09,686 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:09,686 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:45:09,688 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 07:45:09,688 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 07:45:09,721 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:09,721 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:09,721 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:45:09,721 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:45:09,721 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:45:09,722 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:09,722 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:09,722 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:45:09,722 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 07:45:09,723 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:45:09,723 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:09,723 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:09,724 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:45:09,724 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:45:09,724 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:45:09,724 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:09,724 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:09,724 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 07:45:09,725 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 07:45:09,725 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:45:09,725 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:09,725 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-23 07:45:09,726 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:09,726 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:45:09,726 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:45:09,726 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:09,726 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:09,726 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:45:09,727 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 07:45:09,728 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 07:45:09,745 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:09,746 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:09,746 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:45:09,746 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:45:09,746 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:09,746 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:09,746 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:45:09,748 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 07:45:09,748 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 07:45:09,756 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:09,757 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:09,757 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:45:09,757 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:45:09,757 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:45:09,757 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:09,757 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:09,757 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:45:09,758 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:45:09,758 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:45:09,759 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:09,759 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:09,759 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:45:09,759 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 07:45:09,759 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:45:09,760 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:09,760 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:09,760 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 07:45:09,760 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 07:45:09,760 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:45:09,761 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:09,761 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-23 07:45:09,761 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:09,761 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:45:09,761 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:45:09,762 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:09,762 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:09,762 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 07:45:09,764 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-23 07:45:09,764 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-23 07:45:10,016 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:10,017 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:10,017 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:45:10,017 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:45:10,017 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:10,017 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:10,017 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 07:45:10,019 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-23 07:45:10,019 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-23 07:45:10,052 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:10,052 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:10,052 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:45:10,052 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:45:10,053 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:45:10,053 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:10,053 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:10,053 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 07:45:10,053 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:45:10,053 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:45:10,055 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:10,055 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 07:45:10,056 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 07:45:10,056 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 07:45:10,056 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 07:45:10,056 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 07:45:10,056 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 07:45:10,056 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 07:45:10,056 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 07:45:10,056 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 07:45:10,057 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 07:45:10,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 07:45:10 BoogieIcfgContainer [2018-11-23 07:45:10,062 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 07:45:10,063 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:45:10,063 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:45:10,063 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:45:10,063 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:44:38" (3/4) ... [2018-11-23 07:45:10,066 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 07:45:10,067 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:45:10,067 INFO L168 Benchmark]: Toolchain (without parser) took 32113.19 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 393.2 MB). Free memory was 961.9 MB in the beginning and 1.3 GB in the end (delta: -339.2 MB). Peak memory consumption was 54.0 MB. Max. memory is 11.5 GB. [2018-11-23 07:45:10,068 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:45:10,068 INFO L168 Benchmark]: CACSL2BoogieTranslator took 154.01 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 07:45:10,069 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.14 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:45:10,069 INFO L168 Benchmark]: Boogie Preprocessor took 45.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -192.7 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-23 07:45:10,070 INFO L168 Benchmark]: RCFGBuilder took 115.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-11-23 07:45:10,070 INFO L168 Benchmark]: BuchiAutomizer took 31770.79 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 252.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -184.6 MB). Peak memory consumption was 522.6 MB. Max. memory is 11.5 GB. [2018-11-23 07:45:10,071 INFO L168 Benchmark]: Witness Printer took 3.79 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:45:10,074 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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 154.01 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 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 20.14 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -192.7 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 115.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 31770.79 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 252.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -184.6 MB). Peak memory consumption was 522.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.79 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. 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 31.7s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 31.6s. 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: 255ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 13.3s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1;" "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 !!(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...