./Ultimate.py --spec ../../sv-benchmarks/c/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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/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_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/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 0.1.23-1dbac8b [2018-11-10 05:19:59,393 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:19:59,395 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:19:59,400 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:19:59,401 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:19:59,401 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:19:59,402 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:19:59,403 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:19:59,404 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:19:59,405 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:19:59,405 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:19:59,406 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:19:59,407 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:19:59,407 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:19:59,408 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:19:59,408 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:19:59,409 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:19:59,410 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:19:59,411 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:19:59,411 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:19:59,412 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:19:59,413 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:19:59,414 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:19:59,415 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:19:59,415 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:19:59,415 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:19:59,416 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:19:59,417 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:19:59,417 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:19:59,418 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:19:59,421 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:19:59,421 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:19:59,422 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:19:59,422 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:19:59,422 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:19:59,422 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:19:59,423 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 05:19:59,430 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:19:59,430 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:19:59,431 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 05:19:59,431 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 05:19:59,431 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 05:19:59,431 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 05:19:59,431 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 05:19:59,432 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 05:19:59,432 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 05:19:59,432 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 05:19:59,432 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 05:19:59,432 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:19:59,432 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 05:19:59,432 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 05:19:59,432 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:19:59,433 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 05:19:59,433 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:19:59,433 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 05:19:59,433 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 05:19:59,433 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 05:19:59,435 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 05:19:59,435 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:19:59,435 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 05:19:59,435 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 05:19:59,435 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:19:59,435 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:19:59,436 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 05:19:59,436 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:19:59,436 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 05:19:59,436 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 05:19:59,437 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 05:19:59,437 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_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/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 [2018-11-10 05:19:59,460 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:19:59,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:19:59,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:19:59,472 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:19:59,472 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:19:59,473 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call1_true-termination.i [2018-11-10 05:19:59,518 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/bin-2019/uautomizer/data/db3f73431/8be47a90bc234bcfa26829e9b8b93a24/FLAG142980f5a [2018-11-10 05:19:59,919 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:19:59,919 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call1_true-termination.i [2018-11-10 05:19:59,923 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/bin-2019/uautomizer/data/db3f73431/8be47a90bc234bcfa26829e9b8b93a24/FLAG142980f5a [2018-11-10 05:19:59,934 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/bin-2019/uautomizer/data/db3f73431/8be47a90bc234bcfa26829e9b8b93a24 [2018-11-10 05:19:59,937 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:19:59,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:19:59,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:19:59,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:19:59,942 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:19:59,943 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:19:59" (1/1) ... [2018-11-10 05:19:59,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cb7591c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:19:59, skipping insertion in model container [2018-11-10 05:19:59,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:19:59" (1/1) ... [2018-11-10 05:19:59,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:19:59,968 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:20:00,074 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:20:00,076 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:20:00,084 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:20:00,092 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:20:00,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:00 WrapperNode [2018-11-10 05:20:00,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:20:00,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:20:00,093 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:20:00,093 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:20:00,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:00" (1/1) ... [2018-11-10 05:20:00,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:00" (1/1) ... [2018-11-10 05:20:00,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:20:00,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:20:00,111 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:20:00,111 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:20:00,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:00" (1/1) ... [2018-11-10 05:20:00,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:00" (1/1) ... [2018-11-10 05:20:00,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:00" (1/1) ... [2018-11-10 05:20:00,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:00" (1/1) ... [2018-11-10 05:20:00,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:00" (1/1) ... [2018-11-10 05:20:00,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:00" (1/1) ... [2018-11-10 05:20:00,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:00" (1/1) ... [2018-11-10 05:20:00,121 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:20:00,122 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:20:00,122 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:20:00,122 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:20:00,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/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 [2018-11-10 05:20:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:20:00,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:20:00,276 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:20:00,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:20:00 BoogieIcfgContainer [2018-11-10 05:20:00,277 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:20:00,277 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 05:20:00,277 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 05:20:00,280 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 05:20:00,281 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 05:20:00,281 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 05:19:59" (1/3) ... [2018-11-10 05:20:00,281 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@25e7c241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 05:20:00, skipping insertion in model container [2018-11-10 05:20:00,282 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 05:20:00,282 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:00" (2/3) ... [2018-11-10 05:20:00,282 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@25e7c241 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 05:20:00, skipping insertion in model container [2018-11-10 05:20:00,282 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 05:20:00,282 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:20:00" (3/3) ... [2018-11-10 05:20:00,283 INFO L375 chiAutomizerObserver]: Analyzing ICFG underapprox_true-unreach-call1_true-termination.i [2018-11-10 05:20:00,327 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 05:20:00,328 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 05:20:00,328 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 05:20:00,328 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 05:20:00,328 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 05:20:00,328 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 05:20:00,328 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 05:20:00,329 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 05:20:00,329 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 05:20:00,337 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-10 05:20:00,349 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-10 05:20:00,349 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 05:20:00,350 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 05:20:00,353 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-10 05:20:00,354 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-10 05:20:00,354 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 05:20:00,354 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-10 05:20:00,355 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-10 05:20:00,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 05:20:00,355 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 05:20:00,355 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-10 05:20:00,355 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-10 05:20:00,359 INFO L793 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-3true [2018-11-10 05:20:00,360 INFO L795 eck$LassoCheckResult]: Loop: 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := main_#t~post0 + 1;havoc main_#t~post0;main_~y~0 := main_~y~0 * 2; 9#L11-3true [2018-11-10 05:20:00,363 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:20:00,364 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-10 05:20:00,365 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:20:00,365 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:20:00,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:20:00,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:20:00,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:20:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:20:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:20:00,427 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:20:00,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 1 times [2018-11-10 05:20:00,427 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:20:00,427 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:20:00,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:20:00,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:20:00,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:20:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:20:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:20:00,436 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:20:00,437 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 1 times [2018-11-10 05:20:00,437 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:20:00,437 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:20:00,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:20:00,438 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:20:00,438 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:20:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:20:00,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:20:00,491 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 05:20:00,492 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 05:20:00,492 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 05:20:00,492 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 05:20:00,492 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 05:20:00,492 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 05:20:00,492 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 05:20:00,492 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 05:20:00,492 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-10 05:20:00,493 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 05:20:00,493 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 05:20:00,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:00,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:00,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:00,614 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 05:20:00,615 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/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 [2018-11-10 05:20:00,627 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 05:20:00,627 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 05:20:00,634 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 05:20:00,635 INFO L446 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_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/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 [2018-11-10 05:20:00,650 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 05:20:00,650 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 05:20:00,653 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 05:20:00,653 INFO L446 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_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/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 [2018-11-10 05:20:00,668 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 05:20:00,669 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/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 [2018-11-10 05:20:00,686 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 05:20:00,687 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 05:20:12,717 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-10 05:20:12,720 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 05:20:12,720 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 05:20:12,720 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 05:20:12,720 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 05:20:12,720 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 05:20:12,720 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 05:20:12,720 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 05:20:12,720 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 05:20:12,720 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-10 05:20:12,720 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 05:20:12,720 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 05:20:12,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:12,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:12,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:12,786 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 05:20:12,791 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 05:20:12,792 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:12,793 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:12,793 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:12,794 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:12,794 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:12,794 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:20:12,796 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:20:12,796 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:12,799 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:12,799 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:12,799 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:12,799 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:12,800 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:12,800 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:12,800 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:20:12,800 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:20:12,800 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:12,802 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:12,802 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:12,803 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:12,803 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:12,803 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:12,803 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:12,803 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:20:12,804 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:20:12,804 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:12,812 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:12,812 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-11-10 05:20:12,813 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:12,813 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:12,813 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:12,814 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:12,814 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:12,814 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:12,814 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 05:20:12,814 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:12,815 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:12,816 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:12,816 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:12,816 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:12,816 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:12,817 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:12,817 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:12,818 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 05:20:12,818 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:12,821 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:12,821 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:12,821 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:12,821 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:12,822 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:12,822 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:12,822 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:12,823 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 05:20:12,823 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:12,831 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:12,831 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-11-10 05:20:12,831 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:12,832 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:12,832 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:12,832 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:12,832 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:12,832 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:12,833 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:12,833 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:12,836 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:12,836 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:12,836 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:12,837 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:12,837 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:12,837 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:12,837 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:12,838 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:12,838 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:12,839 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:12,839 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:12,840 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:12,840 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:12,840 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:12,840 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:12,840 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:12,841 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:12,841 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:12,851 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:12,852 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-11-10 05:20:12,852 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:12,853 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:12,853 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:12,853 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:12,853 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:12,853 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:12,854 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 05:20:12,854 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:12,855 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:12,856 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:12,856 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:12,856 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:12,856 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:12,856 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:12,856 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:12,857 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 05:20:12,857 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:12,862 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:12,862 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:12,863 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:12,863 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:12,864 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:12,864 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:12,864 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:12,865 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 05:20:12,865 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:12,878 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:12,879 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-11-10 05:20:12,879 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:12,880 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:12,880 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:12,880 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:12,880 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:12,880 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:12,880 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:12,881 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 05:20:12,881 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:12,885 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:12,885 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:12,886 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:12,886 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:12,886 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:12,886 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:12,886 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:12,886 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:12,887 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 05:20:12,888 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:12,893 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:12,893 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:12,894 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:12,894 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:12,894 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:12,894 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:12,894 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:12,895 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:12,896 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 05:20:12,896 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:12,918 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:12,919 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-11-10 05:20:12,919 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:12,920 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:12,920 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 05:20:12,920 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:12,920 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:12,920 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:12,920 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:12,921 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:12,921 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:12,926 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:12,926 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:12,927 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:12,927 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 05:20:12,927 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:12,927 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:12,927 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:12,927 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:12,930 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:12,930 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:12,937 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:12,937 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 [2018-11-10 05:20:12,938 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:12,938 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 05:20:12,938 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:12,938 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:12,938 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:12,939 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:12,940 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:12,940 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:12,969 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:12,970 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-11-10 05:20:12,970 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:12,971 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:12,972 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:12,972 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:12,972 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:12,972 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:12,972 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:12,974 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 05:20:12,974 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:12,977 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:12,977 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:12,978 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:12,978 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:12,978 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:12,979 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:12,979 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:12,979 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:12,984 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 05:20:12,984 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:12,986 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:12,986 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:12,987 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:12,987 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:12,987 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:12,988 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:12,988 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:12,988 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:12,992 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 05:20:12,992 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:13,021 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:13,021 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-11-10 05:20:13,022 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:13,023 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:13,024 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:13,024 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:13,024 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:13,024 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:13,024 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:13,025 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:13,025 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:13,027 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:13,028 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:13,028 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:13,028 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:13,029 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:13,029 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:13,029 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:13,030 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:13,030 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:13,031 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:13,039 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:13,040 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:13,040 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:13,040 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:13,040 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:13,041 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:13,041 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:13,041 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:13,042 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:13,042 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:13,048 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:13,048 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-11-10 05:20:13,049 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:13,049 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:13,049 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:13,050 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:13,050 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:13,050 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:13,050 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 05:20:13,051 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 05:20:13,051 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:13,054 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:13,054 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 [2018-11-10 05:20:13,055 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:13,055 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:13,055 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:13,056 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:13,056 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:13,056 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 05:20:13,058 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 05:20:13,058 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:13,067 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:13,068 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:13,068 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:13,069 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:13,069 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:13,069 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:13,069 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:13,069 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 05:20:13,072 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 05:20:13,072 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:13,083 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:13,117 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 05:20:13,117 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 05:20:13,117 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 05:20:13,117 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 05:20:13,117 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 05:20:13,117 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 05:20:13,117 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 05:20:13,117 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 05:20:13,118 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-10 05:20:13,118 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 05:20:13,118 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 05:20:13,119 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:13,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:13,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:13,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:13,225 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 05:20:13,225 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/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 [2018-11-10 05:20:13,235 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 05:20:13,235 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 05:20:13,239 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 05:20:13,239 INFO L446 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_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/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 [2018-11-10 05:20:13,270 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 05:20:13,270 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 05:20:13,272 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 05:20:13,272 INFO L446 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_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/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 [2018-11-10 05:20:13,295 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 05:20:13,295 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/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 [2018-11-10 05:20:13,314 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 05:20:13,314 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 05:20:13,337 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 05:20:13,337 INFO L446 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=5}, {ULTIMATE.start_main_~y~0=2}, {ULTIMATE.start_main_~y~0=-6}] Lambdas: [2, 5, 2] Nus: [0, 1] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/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 [2018-11-10 05:20:13,353 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 05:20:13,353 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/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 [2018-11-10 05:20:13,374 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 05:20:13,374 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 05:20:25,403 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-10 05:20:25,407 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 05:20:25,407 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 05:20:25,407 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 05:20:25,407 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 05:20:25,407 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 05:20:25,407 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 05:20:25,407 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 05:20:25,407 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 05:20:25,407 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-10 05:20:25,407 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 05:20:25,407 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 05:20:25,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:25,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:25,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:25,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:25,460 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 05:20:25,460 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 05:20:25,460 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:25,461 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:25,461 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:25,461 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:25,461 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:20:25,462 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 05:20:25,463 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 05:20:25,467 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:25,467 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:25,468 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:25,468 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:25,468 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:25,468 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:25,468 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:20:25,468 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:20:25,469 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:25,469 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:25,469 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:25,470 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:25,470 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:25,470 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:25,470 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:20:25,471 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 05:20:25,471 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 05:20:25,475 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:25,476 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:25,476 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:25,476 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:25,476 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:25,477 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:25,477 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:20:25,477 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:20:25,477 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:25,477 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:25,477 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-11-10 05:20:25,477 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:25,478 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:25,478 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:25,478 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:25,478 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:25,482 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 05:20:25,482 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 05:20:25,491 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:25,491 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:25,492 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:25,492 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:25,492 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:25,492 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:25,492 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:25,493 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 05:20:25,493 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:25,493 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:25,494 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:25,494 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:25,494 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:25,494 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:25,494 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:25,496 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 05:20:25,496 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 05:20:25,506 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:25,506 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:25,507 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:25,507 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:25,507 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:25,507 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:25,507 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:25,508 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 05:20:25,508 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:25,510 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:25,510 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-11-10 05:20:25,511 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:25,511 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:25,511 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:25,511 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:25,511 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:25,513 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 05:20:25,513 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 05:20:25,522 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:25,523 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:25,523 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:25,523 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:25,524 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:25,524 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:25,524 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:25,524 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:25,524 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:25,525 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:25,525 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:25,525 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:25,525 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:25,526 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:25,526 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:25,527 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 05:20:25,527 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 05:20:25,549 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:25,550 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:25,550 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:25,551 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:25,551 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:25,551 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:25,551 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:25,552 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:25,552 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:25,552 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:25,552 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-11-10 05:20:25,553 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:25,553 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:25,553 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:25,554 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:25,554 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:25,556 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 05:20:25,556 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 05:20:25,563 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:25,564 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:25,564 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:25,564 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:25,565 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:25,565 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:25,565 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:25,565 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 05:20:25,565 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:25,566 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:25,566 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:25,567 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:25,567 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:25,567 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:25,567 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:25,569 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 05:20:25,569 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 05:20:25,594 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:25,595 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:25,595 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:25,595 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:25,596 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:25,596 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:25,596 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:25,596 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 05:20:25,596 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:25,597 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:25,597 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-11-10 05:20:25,597 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:25,598 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:25,598 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:25,598 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:25,598 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:25,598 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:25,600 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 05:20:25,600 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 05:20:25,613 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:25,613 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 [2018-11-10 05:20:25,614 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:25,614 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:25,614 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:25,614 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:25,614 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:25,614 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:25,615 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 05:20:25,615 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:25,615 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:25,616 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:25,616 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:25,616 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:25,616 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:25,616 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:25,616 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:25,618 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 05:20:25,618 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 05:20:25,677 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:25,678 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:25,678 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:25,678 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:25,679 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:25,679 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:25,679 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:25,679 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:25,679 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 05:20:25,680 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:25,680 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:25,680 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-11-10 05:20:25,681 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:25,681 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:25,681 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 05:20:25,681 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:25,681 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:25,681 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:25,684 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 05:20:25,684 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 05:20:25,701 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:25,701 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:25,702 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:25,702 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 05:20:25,702 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:25,702 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:25,702 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:25,703 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:25,703 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:25,703 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:25,704 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:25,705 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:25,705 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:25,705 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 05:20:25,705 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:25,705 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:25,706 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:25,708 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 05:20:25,708 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 05:20:26,106 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:26,107 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:26,109 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:26,109 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 05:20:26,109 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:26,109 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:26,109 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:26,109 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:26,110 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:26,110 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:26,112 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:26,112 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-11-10 05:20:26,112 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:26,113 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:26,113 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:26,113 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:26,113 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:26,113 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:26,116 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 05:20:26,116 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 05:20:26,151 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:26,151 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:26,151 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:26,152 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:26,152 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:26,152 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:26,152 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:26,152 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:26,153 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 05:20:26,153 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:26,153 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:26,154 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:26,154 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:26,154 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:26,154 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:26,154 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:26,154 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:26,159 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 05:20:26,159 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 05:20:27,216 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:27,216 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:27,217 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:27,217 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:27,217 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:27,217 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:27,217 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:27,217 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:27,218 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 05:20:27,218 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:27,219 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:27,219 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-11-10 05:20:27,219 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:27,219 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:27,219 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:27,220 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:27,220 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:27,220 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:27,221 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 05:20:27,222 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 05:20:27,233 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:27,233 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:27,234 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:27,234 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:27,234 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:27,234 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:27,234 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:27,234 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:27,234 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:27,235 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:27,235 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:27,236 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:27,236 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:27,236 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:27,236 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:27,236 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:27,237 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:27,238 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 05:20:27,239 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 05:20:27,264 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:27,264 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:27,265 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:27,265 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:27,265 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:27,265 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:27,265 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:27,265 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:27,266 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:27,266 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:27,267 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:27,267 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-11-10 05:20:27,268 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:27,268 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:27,268 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:27,268 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:27,268 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:27,268 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 05:20:27,271 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-10 05:20:27,271 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-10 05:20:27,289 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:27,290 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:27,290 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:27,290 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:27,290 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:27,291 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:27,291 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:27,291 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 05:20:27,291 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 05:20:27,291 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:27,292 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:27,293 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:27,293 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:27,293 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:27,293 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:27,293 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:27,293 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 05:20:27,296 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-10 05:20:27,296 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-10 05:20:27,468 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:27,468 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 [2018-11-10 05:20:27,469 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:27,469 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:27,469 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:27,469 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:27,469 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:27,469 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 05:20:27,470 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 05:20:27,470 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:27,472 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:27,472 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-10 05:20:27,473 INFO L793 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := main_#t~post0 + 1;havoc main_#t~post0;main_~y~0 := main_~y~0 * 2; 9#L11-3true [2018-11-10 05:20:27,473 INFO L795 eck$LassoCheckResult]: Loop: 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := main_#t~post0 + 1;havoc main_#t~post0;main_~y~0 := main_~y~0 * 2; 9#L11-3true [2018-11-10 05:20:27,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:20:27,473 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 2 times [2018-11-10 05:20:27,473 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:20:27,473 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:20:27,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:20:27,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:20:27,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:20:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:20:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:20:27,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:20:27,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 2 times [2018-11-10 05:20:27,480 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:20:27,480 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:20:27,480 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:20:27,481 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 05:20:27,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:20:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:20:27,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:20:27,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:20:27,486 INFO L82 PathProgramCache]: Analyzing trace with hash 889541199, now seen corresponding path program 3 times [2018-11-10 05:20:27,487 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 05:20:27,487 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 05:20:27,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:20:27,487 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 05:20:27,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:20:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:20:27,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:20:27,543 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 05:20:27,543 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 05:20:27,543 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 05:20:27,543 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 05:20:27,544 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 05:20:27,544 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 05:20:27,544 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 05:20:27,544 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 05:20:27,544 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-10 05:20:27,544 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 05:20:27,544 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 05:20:27,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:27,548 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:27,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:27,623 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 05:20:27,623 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/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 [2018-11-10 05:20:27,627 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 05:20:27,627 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 05:20:27,631 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 05:20:27,631 INFO L446 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_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/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 [2018-11-10 05:20:27,647 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 05:20:27,647 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 05:20:27,649 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 05:20:27,649 INFO L446 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_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/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 [2018-11-10 05:20:27,664 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 05:20:27,664 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/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 [2018-11-10 05:20:27,683 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 05:20:27,683 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 05:20:39,711 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-10 05:20:39,714 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 05:20:39,714 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 05:20:39,714 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 05:20:39,715 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 05:20:39,715 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 05:20:39,715 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 05:20:39,715 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 05:20:39,715 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 05:20:39,715 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-10 05:20:39,715 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 05:20:39,715 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 05:20:39,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:39,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:39,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:39,757 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 05:20:39,757 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 05:20:39,757 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 [2018-11-10 05:20:39,758 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:39,758 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,758 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,758 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,758 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:20:39,759 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:20:39,759 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,759 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,759 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 [2018-11-10 05:20:39,760 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:39,760 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,760 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,760 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,760 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:20:39,760 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:20:39,760 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,761 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,761 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 [2018-11-10 05:20:39,761 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:39,761 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,761 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,762 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,762 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:20:39,762 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:20:39,762 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,771 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,771 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-11-10 05:20:39,771 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:39,771 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:39,771 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,772 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,772 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,772 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:39,772 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 05:20:39,772 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,772 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,773 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:39,773 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:39,773 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,773 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,773 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,773 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:39,773 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 05:20:39,773 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,774 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,774 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:39,774 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:39,774 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,774 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,774 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,774 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:39,775 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 05:20:39,775 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,776 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,776 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-11-10 05:20:39,776 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:39,776 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:39,777 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,777 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,777 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,777 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:39,777 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:39,777 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,777 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,777 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:39,778 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:39,778 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,778 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,778 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,778 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:39,782 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:39,783 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,783 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,783 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:39,784 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:39,784 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,784 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,784 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,784 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:39,784 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:39,784 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,790 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,790 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-11-10 05:20:39,790 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:39,790 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:39,790 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,791 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,791 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,791 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:39,791 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 05:20:39,791 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,792 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,792 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:39,792 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:39,792 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,792 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,792 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,793 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:39,793 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 05:20:39,793 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,793 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,794 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:39,794 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:39,794 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,794 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,795 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,795 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:39,796 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 05:20:39,796 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,798 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,798 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-11-10 05:20:39,799 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:39,799 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:39,799 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:39,799 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,799 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,799 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,799 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:39,800 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 05:20:39,800 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,800 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,801 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:39,801 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:39,801 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:39,801 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,801 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,801 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,801 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:39,802 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 05:20:39,802 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,803 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,804 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:39,804 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:39,804 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:39,804 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,804 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,804 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,804 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:39,805 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 05:20:39,805 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,809 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,809 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-11-10 05:20:39,810 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:39,810 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:39,817 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 05:20:39,817 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,818 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,818 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,818 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:39,818 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:39,818 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,819 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,819 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:39,820 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:39,820 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 05:20:39,820 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,820 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,820 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,820 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:39,822 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:39,822 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,823 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,824 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:39,824 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:39,824 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 05:20:39,824 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,824 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,824 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,824 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:39,825 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:39,825 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,836 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,836 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-11-10 05:20:39,836 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:39,837 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:39,837 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:39,837 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,837 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,837 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,837 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:39,838 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 05:20:39,838 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,839 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,839 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:39,840 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:39,840 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:39,840 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,840 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,840 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,840 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:39,843 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 05:20:39,843 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,844 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,844 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:39,845 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:39,845 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:39,845 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,845 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,845 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,845 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:39,847 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 05:20:39,847 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,859 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,859 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-11-10 05:20:39,859 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:39,860 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:39,860 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:39,860 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,860 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,860 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,860 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:39,861 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:39,861 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,862 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,862 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:39,863 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:39,863 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:39,863 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,863 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,863 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,863 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:39,864 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:39,864 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,866 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,866 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:39,867 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:39,867 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:39,867 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,867 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,867 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,867 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:39,868 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:39,868 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,871 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,871 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-11-10 05:20:39,872 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:39,872 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:39,872 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:39,872 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,873 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,873 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,873 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 05:20:39,873 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 05:20:39,873 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,875 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,876 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:39,876 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:39,876 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:39,876 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,877 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,877 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,877 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 05:20:39,878 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 05:20:39,878 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,883 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,884 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:39,884 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:39,884 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:39,884 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:39,885 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:39,885 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:39,885 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 05:20:39,886 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 05:20:39,886 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:39,892 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:39,931 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 05:20:39,931 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 05:20:39,932 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 05:20:39,932 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 05:20:39,932 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 05:20:39,932 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 05:20:39,932 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 05:20:39,932 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 05:20:39,932 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-10 05:20:39,932 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 05:20:39,932 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 05:20:39,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:39,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:39,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:39,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:39,996 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 05:20:39,996 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/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 [2018-11-10 05:20:40,007 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 05:20:40,008 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/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 [2018-11-10 05:20:40,037 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 05:20:40,037 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 05:20:40,056 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 05:20:40,056 INFO L446 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=5}, {ULTIMATE.start_main_~y~0=-5}, {ULTIMATE.start_main_~y~0=2}] Lambdas: [3, 2, 2] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/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 [2018-11-10 05:20:40,109 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 05:20:40,109 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 05:20:40,114 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 05:20:40,115 INFO L446 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_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/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 [2018-11-10 05:20:40,133 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 05:20:40,133 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3dc0447a-aaeb-4d22-b3e1-c0ef3e1045aa/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 [2018-11-10 05:20:40,157 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 05:20:40,157 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 05:20:52,188 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-10 05:20:52,190 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 05:20:52,190 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 05:20:52,191 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 05:20:52,191 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 05:20:52,191 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 05:20:52,191 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 05:20:52,191 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 05:20:52,191 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 05:20:52,191 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-10 05:20:52,191 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 05:20:52,191 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 05:20:52,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:52,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:52,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:52,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 05:20:52,253 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 05:20:52,254 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 05:20:52,254 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:52,254 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:52,254 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:52,255 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:52,255 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:20:52,259 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 05:20:52,259 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 05:20:52,263 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:52,263 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:52,263 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:52,264 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:52,264 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:52,264 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:20:52,264 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 05:20:52,264 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 05:20:52,272 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:52,273 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:52,273 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:52,273 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:52,273 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:52,273 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:52,273 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:20:52,274 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:20:52,274 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:52,274 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:52,274 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 [2018-11-10 05:20:52,275 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:52,275 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:52,275 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:52,275 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:52,275 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 05:20:52,275 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 05:20:52,275 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:52,275 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:52,276 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-11-10 05:20:52,276 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:52,276 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:52,276 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:52,276 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:52,276 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:52,277 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 05:20:52,277 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 05:20:52,283 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:52,284 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:52,284 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:52,284 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:52,284 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:52,284 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:52,285 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 05:20:52,285 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 05:20:52,291 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:52,291 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:52,292 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:52,292 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:52,292 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:52,292 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:52,292 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:52,292 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 05:20:52,292 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:52,293 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:52,293 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:52,293 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:52,293 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:52,293 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:52,293 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:52,294 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:52,294 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 05:20:52,294 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:52,294 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:52,294 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-11-10 05:20:52,294 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:52,295 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:52,295 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:52,295 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:52,295 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:52,296 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 05:20:52,296 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 05:20:52,314 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:52,315 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:52,315 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:52,315 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:52,315 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:52,315 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:52,316 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 05:20:52,316 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 05:20:52,322 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:52,323 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:52,323 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:52,323 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:52,323 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:52,323 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:52,323 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:52,324 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:52,324 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:52,324 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:52,324 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:52,325 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:52,325 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:52,325 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:52,325 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:52,325 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:52,325 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:52,325 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:52,326 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:52,326 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-11-10 05:20:52,326 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:52,326 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:52,327 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:52,327 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:52,327 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:52,328 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 05:20:52,328 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 05:20:52,349 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:52,349 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 [2018-11-10 05:20:52,350 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:52,350 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:52,350 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:52,350 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:52,351 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 05:20:52,351 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 05:20:52,359 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:52,359 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:52,359 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:52,360 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:52,360 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:52,360 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:52,360 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:52,360 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 05:20:52,360 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:52,361 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:52,361 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:52,361 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 05:20:52,361 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:52,361 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:52,361 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:52,361 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:52,362 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 05:20:52,362 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:52,362 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:52,362 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-11-10 05:20:52,362 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:52,363 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:52,363 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:52,363 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:52,363 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:52,363 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:52,364 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 05:20:52,364 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 05:20:52,414 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:52,414 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 [2018-11-10 05:20:52,415 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:52,415 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:52,415 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:52,415 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:52,415 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:52,416 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 05:20:52,416 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 05:20:52,429 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:52,429 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:52,429 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:52,429 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:52,429 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:52,430 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:52,430 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:52,430 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:52,430 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 05:20:52,430 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:52,431 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:52,431 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:52,431 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:52,431 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:52,431 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:52,431 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:52,432 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:52,432 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 05:20:52,432 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 05:20:52,432 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:52,432 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:52,432 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-11-10 05:20:52,433 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:52,433 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:52,433 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 05:20:52,433 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:52,433 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:52,433 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:52,435 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 05:20:52,436 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 05:20:52,584 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:52,584 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:52,584 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:52,584 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 05:20:52,585 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:52,585 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:52,585 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:52,586 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 05:20:52,586 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 05:20:52,615 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:52,615 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:52,616 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:52,616 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 05:20:52,616 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:52,616 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:52,616 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:52,616 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:52,617 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:52,617 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:52,618 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:52,618 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:52,618 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:52,618 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 05:20:52,618 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:52,619 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:52,619 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:52,619 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:52,619 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:52,619 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:52,620 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:52,620 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-11-10 05:20:52,620 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:52,621 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:52,621 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:52,621 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:52,621 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:52,621 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:52,624 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 05:20:52,625 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 05:20:53,231 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:53,232 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:53,232 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:53,232 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:53,232 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:53,233 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:53,233 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:53,235 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 05:20:53,235 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 05:20:53,276 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:53,276 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:53,276 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:53,277 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:53,277 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:53,277 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:53,277 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:53,277 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:53,278 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 05:20:53,278 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:53,278 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:53,278 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:53,279 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:53,279 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:53,279 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:53,279 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:53,279 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:53,279 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 05:20:53,280 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 05:20:53,280 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:53,280 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:53,280 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-11-10 05:20:53,281 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:53,281 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:53,281 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:53,281 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:53,281 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:53,281 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:53,283 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 05:20:53,283 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 05:20:53,301 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:53,301 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:53,302 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:53,302 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:53,302 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:53,302 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:53,302 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:53,303 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 05:20:53,304 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 05:20:53,314 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:53,315 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:53,315 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:53,315 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:53,315 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:53,316 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:53,316 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:53,316 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:53,316 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:53,316 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:53,317 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:53,318 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:53,318 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:53,318 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 05:20:53,318 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:53,318 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:53,318 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:53,318 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 05:20:53,319 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 05:20:53,319 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:53,319 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:53,320 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-11-10 05:20:53,320 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:53,320 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:53,320 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:53,320 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:53,321 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:53,321 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 05:20:53,323 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-10 05:20:53,323 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-10 05:20:53,617 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:53,618 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:53,618 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:53,618 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:53,618 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:53,618 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:53,619 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 05:20:53,620 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-10 05:20:53,620 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-10 05:20:53,662 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:53,663 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:53,663 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:53,663 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:53,663 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:53,663 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:53,663 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:53,663 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 05:20:53,664 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 05:20:53,664 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:53,665 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:53,666 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 05:20:53,666 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 05:20:53,666 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 05:20:53,666 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 05:20:53,666 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 05:20:53,666 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 05:20:53,666 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 05:20:53,667 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 05:20:53,667 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 05:20:53,668 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 05:20:53,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 05:20:53 BoogieIcfgContainer [2018-11-10 05:20:53,673 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 05:20:53,673 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:20:53,673 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:20:53,673 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:20:53,673 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:20:00" (3/4) ... [2018-11-10 05:20:53,676 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 05:20:53,676 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:20:53,677 INFO L168 Benchmark]: Toolchain (without parser) took 53739.89 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 301.5 MB). Free memory was 960.3 MB in the beginning and 1.2 GB in the end (delta: -196.1 MB). Peak memory consumption was 105.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:20:53,678 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:20:53,678 INFO L168 Benchmark]: CACSL2BoogieTranslator took 154.46 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:20:53,679 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.92 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:20:53,679 INFO L168 Benchmark]: Boogie Preprocessor took 10.23 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:20:53,680 INFO L168 Benchmark]: RCFGBuilder took 155.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:20:53,680 INFO L168 Benchmark]: BuchiAutomizer took 53395.42 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 170.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -35.4 MB). Peak memory consumption was 455.9 MB. Max. memory is 11.5 GB. [2018-11-10 05:20:53,681 INFO L168 Benchmark]: Witness Printer took 3.50 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:20:53,683 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 154.46 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.92 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.23 ms. Allocated memory is still 1.0 GB. Free memory was 949.6 MB in the beginning and 946.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 155.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -174.1 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 53395.42 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 170.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -35.4 MB). Peak memory consumption was 455.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.50 ms. Allocated memory is still 1.3 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 53.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 53.3s. 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: 297ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 24.2s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1;" "assume true;" "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := main_#t~post0 + 1;havoc main_#t~post0;main_~y~0 := main_~y~0 * 2;" Loop: "assume true;" "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := main_#t~post0 + 1;havoc main_#t~post0;main_~y~0 := main_~y~0 * 2;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...