./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call2_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call2_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2797de73b923a7fbf0f091cb97be1331c2699e2c ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 12:07:29,578 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 12:07:29,579 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 12:07:29,588 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 12:07:29,588 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 12:07:29,589 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 12:07:29,590 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 12:07:29,591 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 12:07:29,592 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 12:07:29,592 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 12:07:29,593 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 12:07:29,593 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 12:07:29,594 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 12:07:29,595 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 12:07:29,596 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 12:07:29,596 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 12:07:29,597 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 12:07:29,598 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 12:07:29,600 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 12:07:29,601 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 12:07:29,602 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 12:07:29,603 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 12:07:29,605 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 12:07:29,605 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 12:07:29,605 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 12:07:29,606 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 12:07:29,607 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 12:07:29,607 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 12:07:29,608 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 12:07:29,609 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 12:07:29,609 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 12:07:29,610 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 12:07:29,610 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 12:07:29,610 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 12:07:29,611 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 12:07:29,612 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 12:07:29,612 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-10 12:07:29,623 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 12:07:29,623 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 12:07:29,624 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 12:07:29,624 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 12:07:29,624 INFO L133 SettingsManager]: * Use SBE=true [2018-11-10 12:07:29,624 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-10 12:07:29,624 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-10 12:07:29,625 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-10 12:07:29,625 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-10 12:07:29,625 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-10 12:07:29,625 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-10 12:07:29,625 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 12:07:29,625 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 12:07:29,626 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 12:07:29,626 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 12:07:29,626 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 12:07:29,626 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 12:07:29,626 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-10 12:07:29,626 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-10 12:07:29,626 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-10 12:07:29,627 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 12:07:29,627 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 12:07:29,627 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-10 12:07:29,627 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-10 12:07:29,627 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 12:07:29,627 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 12:07:29,627 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-10 12:07:29,627 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 12:07:29,628 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-10 12:07:29,628 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-10 12:07:29,628 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-10 12:07:29,628 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_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2797de73b923a7fbf0f091cb97be1331c2699e2c [2018-11-10 12:07:29,652 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 12:07:29,661 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 12:07:29,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 12:07:29,665 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 12:07:29,665 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 12:07:29,666 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call2_true-termination.i [2018-11-10 12:07:29,700 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/bin-2019/uautomizer/data/4fb9546d7/d71f1a6c41834ab7bf494a8e8b6107ff/FLAG9562c17c1 [2018-11-10 12:07:29,990 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 12:07:29,990 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call2_true-termination.i [2018-11-10 12:07:29,994 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/bin-2019/uautomizer/data/4fb9546d7/d71f1a6c41834ab7bf494a8e8b6107ff/FLAG9562c17c1 [2018-11-10 12:07:30,002 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/bin-2019/uautomizer/data/4fb9546d7/d71f1a6c41834ab7bf494a8e8b6107ff [2018-11-10 12:07:30,004 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 12:07:30,004 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 12:07:30,005 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 12:07:30,005 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 12:07:30,007 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 12:07:30,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:07:30" (1/1) ... [2018-11-10 12:07:30,009 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12305cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:30, skipping insertion in model container [2018-11-10 12:07:30,009 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:07:30" (1/1) ... [2018-11-10 12:07:30,015 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 12:07:30,025 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 12:07:30,111 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:07:30,113 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 12:07:30,121 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 12:07:30,129 INFO L193 MainTranslator]: Completed translation [2018-11-10 12:07:30,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:30 WrapperNode [2018-11-10 12:07:30,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 12:07:30,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 12:07:30,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 12:07:30,130 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 12:07:30,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:30" (1/1) ... [2018-11-10 12:07:30,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:30" (1/1) ... [2018-11-10 12:07:30,154 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 12:07:30,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 12:07:30,154 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 12:07:30,154 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 12:07:30,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:30" (1/1) ... [2018-11-10 12:07:30,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:30" (1/1) ... [2018-11-10 12:07:30,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:30" (1/1) ... [2018-11-10 12:07:30,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:30" (1/1) ... [2018-11-10 12:07:30,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:30" (1/1) ... [2018-11-10 12:07:30,167 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:30" (1/1) ... [2018-11-10 12:07:30,167 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:30" (1/1) ... [2018-11-10 12:07:30,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 12:07:30,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 12:07:30,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 12:07:30,168 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 12:07:30,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/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 12:07:30,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 12:07:30,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 12:07:30,363 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 12:07:30,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:07:30 BoogieIcfgContainer [2018-11-10 12:07:30,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 12:07:30,364 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-10 12:07:30,364 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-10 12:07:30,368 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-10 12:07:30,368 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 12:07:30,368 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 10.11 12:07:30" (1/3) ... [2018-11-10 12:07:30,369 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7100a96c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 12:07:30, skipping insertion in model container [2018-11-10 12:07:30,369 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 12:07:30,370 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:07:30" (2/3) ... [2018-11-10 12:07:30,370 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7100a96c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 10.11 12:07:30, skipping insertion in model container [2018-11-10 12:07:30,370 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-10 12:07:30,370 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:07:30" (3/3) ... [2018-11-10 12:07:30,371 INFO L375 chiAutomizerObserver]: Analyzing ICFG underapprox_true-unreach-call2_true-termination.i [2018-11-10 12:07:30,420 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 12:07:30,421 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-10 12:07:30,421 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-10 12:07:30,421 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-10 12:07:30,421 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 12:07:30,421 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 12:07:30,421 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-10 12:07:30,421 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 12:07:30,421 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-10 12:07:30,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-10 12:07:30,451 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-10 12:07:30,451 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 12:07:30,451 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 12:07:30,457 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-10 12:07:30,457 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-10 12:07:30,457 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-10 12:07:30,457 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-10 12:07:30,458 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-10 12:07:30,458 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-10 12:07:30,458 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-10 12:07:30,459 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-10 12:07:30,459 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-10 12:07:30,465 INFO L793 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-3true [2018-11-10 12:07:30,466 INFO L795 eck$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 12:07:30,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:07:30,471 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-10 12:07:30,472 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:07:30,473 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:07:30,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:07:30,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:07:30,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:07:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:07:30,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:07:30,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:07:30,539 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 1 times [2018-11-10 12:07:30,540 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:07:30,540 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:07:30,540 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:07:30,541 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:07:30,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:07:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:07:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:07:30,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:07:30,552 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 1 times [2018-11-10 12:07:30,552 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:07:30,552 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:07:30,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:07:30,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:07:30,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:07:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:07:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:07:30,613 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 12:07:30,614 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 12:07:30,614 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 12:07:30,614 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 12:07:30,614 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 12:07:30,614 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 12:07:30,614 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 12:07:30,614 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 12:07:30,615 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-10 12:07:30,615 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 12:07:30,615 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 12:07:30,634 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 12:07:30,639 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 12:07:30,644 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 12:07:30,738 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 12:07:30,738 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/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 12:07:30,751 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 12:07:30,751 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 12:07:30,761 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 12:07:30,761 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_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/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 12:07:30,779 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 12:07:30,779 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 12:07:30,782 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 12:07:30,782 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_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/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 12:07:30,797 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 12:07:30,797 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/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 12:07:30,815 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 12:07:30,815 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 12:07:36,638 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-10 12:07:36,640 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 12:07:36,641 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 12:07:36,641 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 12:07:36,641 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 12:07:36,641 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 12:07:36,641 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 12:07:36,641 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 12:07:36,641 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 12:07:36,641 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-10 12:07:36,641 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 12:07:36,642 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 12:07:36,642 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 12:07:36,644 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 12:07:36,646 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 12:07:36,737 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 12:07:36,740 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 12:07:36,741 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:07:36,742 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:36,743 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,743 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,743 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,743 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:07:36,745 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 12:07:36,745 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:36,747 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:36,748 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:36,748 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:36,748 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,748 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,749 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,749 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:07:36,749 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 12:07:36,749 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:36,751 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:36,751 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:07:36,752 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:36,752 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,752 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,752 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,752 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:07:36,753 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 12:07:36,753 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:36,760 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:36,760 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-11-10 12:07:36,760 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:36,761 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:36,761 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,761 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,761 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,762 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:07:36,762 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 12:07:36,762 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:36,763 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:36,763 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:36,764 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:36,764 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,764 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,764 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,765 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:07:36,765 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 12:07:36,765 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:36,767 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:36,767 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:07:36,768 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:36,768 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,768 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,768 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,768 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:07:36,769 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 12:07:36,770 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:36,778 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:36,778 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-11-10 12:07:36,779 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:36,779 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:36,779 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,781 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,781 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,781 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:07:36,781 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:07:36,782 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:36,782 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:36,783 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 12:07:36,783 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:36,783 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,783 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,783 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,783 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:07:36,784 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:07:36,784 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:36,785 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:36,785 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:36,786 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:36,786 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,786 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,786 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,786 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:07:36,788 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:07:36,788 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:36,797 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:36,797 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-11-10 12:07:36,797 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:36,798 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:36,798 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,798 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,798 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,799 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:07:36,799 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 12:07:36,799 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:36,800 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:36,801 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 12:07:36,801 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:36,801 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,801 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,802 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,802 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:07:36,802 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 12:07:36,802 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:36,804 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:36,804 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 12:07:36,805 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:36,805 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,805 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,806 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,806 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:07:36,807 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 12:07:36,807 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:36,819 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:36,819 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-11-10 12:07:36,819 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 12:07:36,820 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:36,820 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:07:36,820 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,820 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,820 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,821 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:07:36,822 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 12:07:36,822 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:36,823 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:36,823 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:36,824 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:36,824 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:07:36,824 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,824 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,825 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,825 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:07:36,827 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 12:07:36,827 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:36,830 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:36,830 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:07:36,831 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:36,831 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:07:36,831 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,832 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,832 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,832 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:07:36,833 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 12:07:36,833 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:36,856 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:36,856 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-11-10 12:07:36,856 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 12:07:36,857 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:36,857 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 12:07:36,857 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,857 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,857 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,857 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:07:36,859 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:07:36,859 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:36,860 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:36,861 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:07:36,861 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:36,861 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 12:07:36,862 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,862 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,862 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,862 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:07:36,865 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:07:36,865 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:36,870 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:36,870 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:36,871 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:36,871 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 12:07:36,871 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,872 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,872 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,872 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:07:36,873 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:07:36,874 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:36,901 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:36,901 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-11-10 12:07:36,901 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:36,903 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:36,904 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:07:36,904 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,904 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,904 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,904 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:07:36,906 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 12:07:36,906 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:36,907 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:36,908 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:07:36,908 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:36,908 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:07:36,909 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,909 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,909 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,909 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:07:36,913 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 12:07:36,913 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:36,915 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:36,916 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:07:36,916 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:36,916 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:07:36,917 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,917 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,917 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,917 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:07:36,919 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 12:07:36,919 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:36,953 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:36,953 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-11-10 12:07:36,953 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:07:36,954 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:36,954 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:07:36,954 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,955 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,955 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,955 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:07:36,955 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:07:36,956 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:36,958 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:36,958 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:07:36,958 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:36,958 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:07:36,959 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,959 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,959 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,959 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:07:36,960 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:07:36,960 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:36,963 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:36,964 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:07:36,964 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:36,964 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:07:36,964 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,965 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,965 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,965 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:07:36,965 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:07:36,966 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:36,972 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:36,972 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-11-10 12:07:36,973 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:36,973 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:36,973 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:07:36,973 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,974 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,974 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,974 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 12:07:36,974 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 12:07:36,975 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:36,978 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:36,979 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:07:36,979 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:36,979 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:07:36,979 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,979 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,980 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,980 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 12:07:36,981 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 12:07:36,981 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:36,992 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:36,992 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:36,993 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:36,993 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:07:36,993 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:36,993 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:36,993 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:36,993 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 12:07:36,994 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 12:07:36,995 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:37,008 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:37,034 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 12:07:37,035 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 12:07:37,035 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 12:07:37,035 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 12:07:37,035 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 12:07:37,035 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 12:07:37,035 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 12:07:37,035 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 12:07:37,035 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-10 12:07:37,035 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 12:07:37,035 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 12:07:37,037 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 12:07:37,052 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 12:07:37,056 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 12:07:37,058 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 12:07:37,154 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 12:07:37,154 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/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 12:07:37,157 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 12:07:37,157 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 12:07:37,160 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 12:07:37,160 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_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/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 12:07:37,180 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 12:07:37,180 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/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 12:07:37,203 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 12:07:37,203 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 12:07:37,231 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 12:07:37,231 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_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/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 12:07:37,250 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 12:07:37,250 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 12:07:37,252 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 12:07:37,252 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_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/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 12:07:37,268 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 12:07:37,268 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/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 12:07:37,286 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 12:07:37,287 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 12:07:49,316 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-10 12:07:49,319 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 12:07:49,319 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 12:07:49,319 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 12:07:49,319 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 12:07:49,319 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 12:07:49,320 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 12:07:49,320 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 12:07:49,320 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 12:07:49,320 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-10 12:07:49,320 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 12:07:49,320 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 12:07:49,321 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 12:07:49,323 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 12:07:49,325 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 12:07:49,329 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 12:07:49,401 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 12:07:49,402 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 12:07:49,402 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:07:49,403 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:49,403 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:49,403 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:49,403 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:07:49,405 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 12:07:49,405 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 12:07:49,411 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:49,411 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:49,412 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:49,412 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:49,412 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:49,412 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:49,412 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:07:49,413 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 12:07:49,413 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:49,413 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:49,413 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:49,414 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:49,414 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:49,414 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:49,414 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:07:49,415 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 12:07:49,415 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 12:07:49,421 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:49,422 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:49,422 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:49,422 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:49,422 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:49,423 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:49,423 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:07:49,423 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 12:07:49,423 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:49,424 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:49,424 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-11-10 12:07:49,424 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:07:49,424 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:49,425 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:49,425 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:49,425 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:07:49,426 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 12:07:49,427 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 12:07:49,440 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:49,441 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:49,441 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:49,441 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:49,441 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:49,442 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:49,442 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:07:49,442 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 12:07:49,442 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:49,443 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:49,443 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:49,443 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:49,444 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:49,444 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:49,444 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:07:49,445 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 12:07:49,445 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 12:07:49,454 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:49,454 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:49,455 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:49,455 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:49,455 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:49,455 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:49,455 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:07:49,455 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 12:07:49,456 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:49,456 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:49,456 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-11-10 12:07:49,457 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:49,457 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:49,457 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:49,457 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:49,457 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:07:49,459 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 12:07:49,459 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 12:07:49,479 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:49,480 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:07:49,480 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:49,480 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:49,480 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:49,480 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:49,481 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:07:49,481 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:07:49,481 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:49,482 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:49,482 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:49,482 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:49,483 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:49,483 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:49,483 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:07:49,485 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 12:07:49,485 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 12:07:49,495 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:49,495 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:49,496 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:49,496 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:49,496 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:49,496 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:49,496 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:07:49,496 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:07:49,497 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:49,497 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:49,497 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-11-10 12:07:49,498 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:07:49,498 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:49,498 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:49,498 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:49,499 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:07:49,501 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 12:07:49,501 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 12:07:49,531 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:49,531 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:49,532 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:49,532 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:49,532 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:49,532 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:49,532 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:07:49,533 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 12:07:49,533 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:49,533 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:49,534 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:49,534 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:49,534 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:49,534 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:49,534 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:07:49,536 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 12:07:49,536 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 12:07:49,547 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:49,548 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:49,548 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:07:49,548 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:49,548 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:49,549 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:49,549 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:07:49,549 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 12:07:49,549 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:49,550 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:49,550 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-11-10 12:07:49,550 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 12:07:49,551 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:49,551 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:07:49,551 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:49,551 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:49,551 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:07:49,553 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 12:07:49,553 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 12:07:49,625 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:49,625 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:49,626 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:49,626 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:07:49,626 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:49,626 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:49,626 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:49,626 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:07:49,627 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 12:07:49,627 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:49,627 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:49,628 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:49,628 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:49,628 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:07:49,629 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:49,629 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:49,629 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:07:49,630 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 12:07:49,630 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 12:07:49,644 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:49,645 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:07:49,645 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:49,645 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:07:49,645 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:49,646 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:49,646 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:49,646 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:07:49,646 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 12:07:49,646 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:49,647 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:49,647 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-11-10 12:07:49,647 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:49,648 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:49,648 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 12:07:49,648 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:49,648 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:49,648 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:07:49,651 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 12:07:49,651 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 12:07:49,946 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:49,946 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:49,947 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:49,947 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 12:07:49,947 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:49,947 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:49,947 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:49,947 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:07:49,948 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:07:49,948 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:49,949 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:49,949 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:49,949 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:49,949 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 12:07:49,950 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:49,950 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:49,950 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:07:49,951 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 12:07:49,952 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 12:07:49,970 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:49,971 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:49,971 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:49,971 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 12:07:49,971 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:49,971 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:49,971 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:49,972 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:07:49,972 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:07:49,972 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:49,973 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:49,973 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-11-10 12:07:49,974 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:49,974 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:49,974 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:07:49,974 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:49,974 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:49,974 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:07:49,979 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 12:07:49,979 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 12:07:50,925 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:50,925 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:50,926 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:50,926 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:07:50,926 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:50,926 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:50,926 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:50,926 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:07:50,927 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 12:07:50,927 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:50,928 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:50,928 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:07:50,928 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:50,928 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:07:50,929 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:50,929 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:50,929 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:07:50,931 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 12:07:50,931 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 12:07:50,948 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:50,949 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:50,949 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:50,949 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:07:50,949 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:50,949 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:50,950 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:50,950 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:07:50,950 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 12:07:50,950 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:50,951 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:50,951 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-11-10 12:07:50,951 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:07:50,952 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:50,952 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:07:50,952 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:50,952 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:50,952 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:07:50,954 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 12:07:50,954 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 12:07:50,968 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:50,968 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:50,969 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:50,969 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:07:50,969 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:50,969 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:50,969 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:50,969 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:07:50,969 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:07:50,969 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:50,970 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:50,971 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:50,971 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:50,971 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:07:50,971 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:50,971 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:50,971 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:07:50,972 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 12:07:50,973 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 12:07:50,980 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:50,980 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:50,981 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:50,981 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:07:50,981 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:50,981 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:50,981 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:50,981 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:07:50,982 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:07:50,982 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:50,983 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:50,983 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-11-10 12:07:50,983 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:07:50,984 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:50,984 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:07:50,984 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:50,984 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:50,984 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 12:07:50,987 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-10 12:07:50,987 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-10 12:07:51,171 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:51,171 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:51,172 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:51,172 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:07:51,172 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:51,172 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:51,173 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:51,173 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 12:07:51,173 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 12:07:51,173 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:51,175 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:51,175 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:51,175 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:51,175 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:07:51,176 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:51,176 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:51,176 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 12:07:51,177 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-10 12:07:51,178 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-10 12:07:51,192 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:51,193 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:07:51,193 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:07:51,193 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:07:51,193 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:07:51,194 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:07:51,194 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:07:51,194 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 12:07:51,194 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 12:07:51,194 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:07:51,196 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:07:51,197 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-10 12:07:51,197 INFO L793 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := main_#t~post0 + 1;havoc main_#t~post0;main_~y~0 := main_~y~0 * 2; 9#L11-3true [2018-11-10 12:07:51,197 INFO L795 eck$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 12:07:51,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:07:51,197 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 2 times [2018-11-10 12:07:51,197 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:07:51,198 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:07:51,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:07:51,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 12:07:51,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:07:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:07:51,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:07:51,205 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:07:51,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 2 times [2018-11-10 12:07:51,205 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:07:51,205 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:07:51,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:07:51,206 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 12:07:51,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:07:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:07:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:07:51,209 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 12:07:51,209 INFO L82 PathProgramCache]: Analyzing trace with hash 889541199, now seen corresponding path program 3 times [2018-11-10 12:07:51,209 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-10 12:07:51,210 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-10 12:07:51,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:07:51,210 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-10 12:07:51,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 12:07:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:07:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 12:07:51,249 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 12:07:51,249 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 12:07:51,249 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 12:07:51,249 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 12:07:51,249 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 12:07:51,249 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 12:07:51,249 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 12:07:51,249 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 12:07:51,249 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-10 12:07:51,250 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 12:07:51,250 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 12:07:51,250 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 12:07:51,253 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 12:07:51,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 12:07:51,304 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 12:07:51,304 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/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 12:07:51,315 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 12:07:51,315 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 12:07:51,318 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 12:07:51,318 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_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/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 12:07:51,343 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 12:07:51,343 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 12:07:51,345 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-11-10 12:07:51,345 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_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/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 12:07:51,362 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 12:07:51,362 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/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 12:07:51,381 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 12:07:51,381 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 12:08:03,409 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-10 12:08:03,412 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 12:08:03,412 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 12:08:03,413 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 12:08:03,413 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 12:08:03,413 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 12:08:03,413 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 12:08:03,413 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 12:08:03,413 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 12:08:03,413 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-10 12:08:03,413 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 12:08:03,413 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 12:08:03,414 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 12:08:03,415 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 12:08:03,417 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 12:08:03,465 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 12:08:03,465 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 12:08:03,466 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:03,466 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:03,466 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,466 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,466 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,466 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:08:03,467 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 12:08:03,467 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,468 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,468 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 12:08:03,468 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:03,468 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,468 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,468 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,469 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:08:03,469 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 12:08:03,469 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,469 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,470 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:03,470 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:03,470 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,470 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,470 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,470 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:08:03,471 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 12:08:03,471 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,472 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,472 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-11-10 12:08:03,472 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:08:03,472 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:03,472 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,472 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,472 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,472 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:08:03,473 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 12:08:03,473 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,473 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,473 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:03,473 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:03,473 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,473 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,473 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,473 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:08:03,474 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 12:08:03,474 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,474 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,474 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:03,474 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:03,474 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,475 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,475 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,475 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:08:03,475 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 12:08:03,475 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,477 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,477 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-11-10 12:08:03,477 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 12:08:03,477 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:03,478 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,478 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,478 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,478 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:08:03,478 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:08:03,478 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,479 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,479 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:08:03,479 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:03,479 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,479 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,479 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,480 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:08:03,480 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:08:03,480 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,480 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,481 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:03,481 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:03,481 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,481 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,481 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,482 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:08:03,482 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:08:03,482 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,484 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,484 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-11-10 12:08:03,485 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:03,485 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:03,485 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,485 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,485 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,485 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:08:03,486 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 12:08:03,486 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,486 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,486 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:03,487 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:03,487 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,487 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,487 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,487 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:08:03,487 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 12:08:03,487 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,488 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,488 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:03,488 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:03,489 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,489 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,489 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,489 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:08:03,489 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 12:08:03,489 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,492 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,492 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-11-10 12:08:03,492 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:03,492 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:03,493 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:08:03,493 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,493 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,493 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,493 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:08:03,493 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 12:08:03,494 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,494 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,494 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 12:08:03,495 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:03,495 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:08:03,495 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,495 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,495 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,495 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:08:03,496 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 12:08:03,496 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,497 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,497 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:08:03,497 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:03,497 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:08:03,497 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,498 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,498 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,498 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:08:03,498 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 12:08:03,498 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,503 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,503 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-11-10 12:08:03,504 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:03,504 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:03,504 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 12:08:03,504 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,504 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,504 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,504 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:08:03,505 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:08:03,505 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,506 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,506 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 12:08:03,507 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:03,507 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 12:08:03,507 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,507 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,507 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,507 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:08:03,508 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:08:03,508 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,510 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,510 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:03,511 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:03,511 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 12:08:03,511 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,511 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,511 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,511 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:08:03,512 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:08:03,512 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,519 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,519 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-11-10 12:08:03,519 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:03,520 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:03,520 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:08:03,520 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,520 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,520 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,520 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:08:03,521 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 12:08:03,521 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,522 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,522 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:03,522 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:03,522 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:08:03,522 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,523 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,523 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,523 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:08:03,525 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 12:08:03,526 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,527 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,527 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:03,527 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:03,527 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:08:03,527 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,528 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,528 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,528 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:08:03,529 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 12:08:03,529 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,542 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,542 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-11-10 12:08:03,543 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:03,543 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:03,543 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:08:03,543 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,543 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,544 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,544 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:08:03,544 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:08:03,544 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,545 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,545 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:08:03,546 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:03,546 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:08:03,546 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,546 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,546 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,546 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:08:03,547 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:08:03,547 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,549 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,549 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:03,549 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:03,550 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:08:03,550 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,550 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,550 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,550 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:08:03,550 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:08:03,551 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,553 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,553 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-11-10 12:08:03,554 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:03,554 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:03,554 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:08:03,554 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,554 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,554 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,555 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 12:08:03,555 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 12:08:03,555 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,557 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,557 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:08:03,557 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:03,557 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:08:03,558 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,558 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,558 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,558 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 12:08:03,559 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 12:08:03,559 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,564 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,565 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:08:03,565 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:03,565 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:08:03,565 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:03,565 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:03,565 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:03,566 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 12:08:03,566 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 12:08:03,567 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:03,572 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:03,602 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 12:08:03,603 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 12:08:03,603 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 12:08:03,603 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 12:08:03,603 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-10 12:08:03,603 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 12:08:03,603 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 12:08:03,603 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 12:08:03,603 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-10 12:08:03,603 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 12:08:03,603 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 12:08:03,604 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 12:08:03,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 12:08:03,618 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 12:08:03,622 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 12:08:03,676 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 12:08:03,676 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/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 12:08:03,687 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-10 12:08:03,687 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43fdc3d8-f197-461c-91f7-3ccf7cc1d3bb/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 12:08:03,718 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-10 12:08:03,718 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-10 12:08:15,749 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-10 12:08:15,752 INFO L214 LassoAnalysis]: Preferences: [2018-11-10 12:08:15,753 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-10 12:08:15,753 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-10 12:08:15,753 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-10 12:08:15,753 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-10 12:08:15,753 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-10 12:08:15,753 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-10 12:08:15,753 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-10 12:08:15,753 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-10 12:08:15,753 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-10 12:08:15,753 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-11-10 12:08:15,754 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 12:08:15,764 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 12:08:15,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-10 12:08:15,769 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 12:08:15,838 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-11-10 12:08:15,838 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-11-10 12:08:15,839 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 12:08:15,839 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:15,839 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:15,839 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:15,839 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:08:15,840 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 12:08:15,840 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 12:08:15,843 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:15,843 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:15,843 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:15,843 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:15,844 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:15,844 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:15,844 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:08:15,844 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 12:08:15,844 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:15,844 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:15,845 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:08:15,845 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:15,845 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:15,845 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:15,845 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:08:15,846 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 12:08:15,846 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-10 12:08:15,849 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:15,849 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:15,849 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:15,850 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:15,850 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:15,850 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:15,850 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-10 12:08:15,850 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-10 12:08:15,850 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:15,850 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:15,851 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-11-10 12:08:15,851 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:15,851 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:15,851 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:15,851 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:15,851 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:08:15,852 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 12:08:15,852 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 12:08:15,858 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:15,858 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:08:15,858 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:15,858 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:15,859 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:15,859 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:15,859 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:08:15,859 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 12:08:15,859 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:15,859 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:15,860 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:08:15,860 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:15,860 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:15,860 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:15,860 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:08:15,861 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 12:08:15,861 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 12:08:15,867 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:15,868 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:15,868 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:15,868 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:15,868 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:15,868 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:15,868 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:08:15,869 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 12:08:15,869 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:15,869 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:15,869 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-11-10 12:08:15,869 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:08:15,870 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:15,870 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:15,870 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:15,870 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:08:15,871 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 12:08:15,871 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 12:08:15,877 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:15,877 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:08:15,877 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:15,877 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:15,878 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:15,878 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:15,878 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:08:15,878 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:08:15,878 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:15,878 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:15,879 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 12:08:15,879 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:15,879 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:15,879 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:15,879 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:08:15,880 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 12:08:15,880 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 12:08:15,892 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:15,892 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:15,893 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:15,893 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:15,893 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:15,893 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:15,893 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:08:15,893 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:08:15,893 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:15,894 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:15,894 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-11-10 12:08:15,894 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:08:15,894 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:15,894 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:15,895 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:15,895 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:08:15,896 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 12:08:15,896 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 12:08:15,903 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:15,904 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:08:15,904 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:15,904 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:15,904 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:15,904 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:15,905 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:08:15,905 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 12:08:15,905 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:15,905 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:15,906 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:08:15,906 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:15,906 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:15,906 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:15,906 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:08:15,907 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 12:08:15,907 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 12:08:15,931 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:15,931 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:08:15,932 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-10 12:08:15,932 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:15,932 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:15,932 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:15,932 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:08:15,932 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 12:08:15,932 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:15,933 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:15,933 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-11-10 12:08:15,933 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:15,934 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:15,934 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:08:15,934 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:15,934 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:15,934 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:08:15,935 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 12:08:15,935 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 12:08:15,951 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:15,951 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:08:15,952 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:15,952 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:08:15,952 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:15,952 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:15,952 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:15,952 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:08:15,952 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 12:08:15,953 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:15,953 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:15,953 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:08:15,953 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:15,954 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:08:15,954 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:15,954 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:15,954 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:08:15,955 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-10 12:08:15,955 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-10 12:08:15,994 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:15,994 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:08:15,995 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:15,995 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:08:15,995 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:15,995 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:15,995 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:15,995 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-10 12:08:15,996 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-10 12:08:15,996 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:15,996 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:15,996 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-11-10 12:08:15,996 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:08:15,997 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:15,997 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 12:08:15,997 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:15,997 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:15,997 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:08:15,999 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 12:08:15,999 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 12:08:16,023 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:16,023 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:08:16,023 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:16,024 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 12:08:16,024 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:16,024 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:16,024 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:16,024 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:08:16,024 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:08:16,025 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:16,025 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:16,026 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:08:16,026 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:16,026 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 12:08:16,026 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:16,026 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:16,026 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:08:16,028 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 12:08:16,028 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 12:08:16,291 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:16,291 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 12:08:16,292 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:16,292 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-10 12:08:16,292 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:16,292 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:16,292 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:16,292 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:08:16,293 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:08:16,293 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:16,294 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:16,294 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-11-10 12:08:16,295 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:08:16,295 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:16,295 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:08:16,295 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:16,295 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:16,296 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:08:16,297 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 12:08:16,298 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 12:08:16,332 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:16,333 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:16,333 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:16,333 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:08:16,333 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:16,334 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:16,334 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:16,334 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:08:16,334 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 12:08:16,335 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:16,335 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:16,335 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:16,336 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:16,336 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:08:16,336 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:16,336 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:16,336 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:08:16,340 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-10 12:08:16,340 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-10 12:08:16,765 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:16,766 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:16,766 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:16,766 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:08:16,766 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:16,766 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:16,767 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:16,767 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-10 12:08:16,767 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-10 12:08:16,767 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:16,768 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:16,768 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-11-10 12:08:16,768 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:16,769 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:16,769 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:08:16,769 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:16,769 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:16,769 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:08:16,770 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 12:08:16,770 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 12:08:16,786 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:16,786 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:16,787 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:16,787 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:08:16,787 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:16,787 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:16,787 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:16,787 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:08:16,787 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:08:16,788 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:16,789 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:16,789 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:16,789 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:16,790 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:08:16,790 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:16,790 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:16,790 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:08:16,791 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-10 12:08:16,792 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-10 12:08:16,809 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:16,809 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:08:16,810 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:16,810 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-10 12:08:16,813 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:16,813 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:16,814 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:16,814 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-10 12:08:16,814 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-10 12:08:16,814 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:16,815 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:16,815 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-11-10 12:08:16,816 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 12:08:16,816 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:16,816 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:08:16,816 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:16,816 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:16,817 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 12:08:16,819 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-10 12:08:16,819 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-10 12:08:16,850 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:16,851 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of 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 12:08:16,851 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:16,852 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:08:16,852 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:16,852 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:16,852 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:16,852 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 12:08:16,853 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 12:08:16,853 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:16,855 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:16,855 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:08:16,856 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:16,856 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:08:16,856 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:16,856 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:16,856 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 12:08:16,859 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-10 12:08:16,859 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-10 12:08:17,020 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:17,021 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-10 12:08:17,021 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-10 12:08:17,021 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-10 12:08:17,021 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-10 12:08:17,021 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-10 12:08:17,021 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-10 12:08:17,021 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-10 12:08:17,022 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-10 12:08:17,022 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-10 12:08:17,023 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-10 12:08:17,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 10.11 12:08:17 BoogieIcfgContainer [2018-11-10 12:08:17,028 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-10 12:08:17,028 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 12:08:17,028 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 12:08:17,029 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 12:08:17,029 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:07:30" (3/4) ... [2018-11-10 12:08:17,032 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 12:08:17,032 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 12:08:17,033 INFO L168 Benchmark]: Toolchain (without parser) took 47028.64 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 431.0 MB). Free memory was 960.2 MB in the beginning and 1.3 GB in the end (delta: -364.8 MB). Peak memory consumption was 66.2 MB. Max. memory is 11.5 GB. [2018-11-10 12:08:17,034 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:08:17,034 INFO L168 Benchmark]: CACSL2BoogieTranslator took 124.23 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:08:17,034 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.57 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:08:17,035 INFO L168 Benchmark]: Boogie Preprocessor took 13.82 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 12:08:17,035 INFO L168 Benchmark]: RCFGBuilder took 195.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 946.8 MB in the beginning and 1.2 GB in the end (delta: -214.5 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-10 12:08:17,036 INFO L168 Benchmark]: BuchiAutomizer took 46663.80 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 250.6 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -163.7 MB). Peak memory consumption was 557.5 MB. Max. memory is 11.5 GB. [2018-11-10 12:08:17,036 INFO L168 Benchmark]: Witness Printer took 3.70 ms. Allocated memory is still 1.5 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 12:08:17,038 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 124.23 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 949.5 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 24.57 ms. Allocated memory is still 1.0 GB. Free memory is still 949.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.82 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 195.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 946.8 MB in the beginning and 1.2 GB in the end (delta: -214.5 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 46663.80 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 250.6 MB). Free memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: -163.7 MB). Peak memory consumption was 557.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.70 ms. Allocated memory is still 1.5 GB. Free memory is still 1.3 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 46.6s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 46.5s. 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: 34ms VariablesStem: 1 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 24.1s - 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...