./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/underapprox_false-unreach-call1_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/underapprox_false-unreach-call1_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/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 0d29117e01c2d68b456be2ae55b4c10d8b73c290 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:17:07,432 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:17:07,433 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:17:07,442 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:17:07,442 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:17:07,443 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:17:07,443 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:17:07,445 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:17:07,446 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:17:07,447 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:17:07,447 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:17:07,448 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:17:07,448 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:17:07,449 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:17:07,450 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:17:07,451 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:17:07,452 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:17:07,453 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:17:07,454 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:17:07,456 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:17:07,456 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:17:07,457 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:17:07,459 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:17:07,459 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:17:07,460 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:17:07,460 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:17:07,461 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:17:07,462 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:17:07,463 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:17:07,463 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:17:07,464 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:17:07,464 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:17:07,464 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:17:07,465 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:17:07,465 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:17:07,466 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:17:07,466 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-22 23:17:07,478 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:17:07,478 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:17:07,479 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 23:17:07,479 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 23:17:07,479 INFO L133 SettingsManager]: * Use SBE=true [2018-11-22 23:17:07,479 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-22 23:17:07,479 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-22 23:17:07,480 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-22 23:17:07,480 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-22 23:17:07,480 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-22 23:17:07,480 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-22 23:17:07,480 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:17:07,480 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:17:07,481 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-22 23:17:07,481 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:17:07,481 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:17:07,481 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:17:07,481 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-22 23:17:07,481 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-22 23:17:07,481 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-22 23:17:07,482 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:17:07,482 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:17:07,482 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-22 23:17:07,482 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:17:07,482 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-22 23:17:07,482 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:17:07,482 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:17:07,483 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-22 23:17:07,483 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:17:07,483 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-22 23:17:07,483 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-22 23:17:07,484 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-22 23:17:07,484 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_691445e9-7a2d-4f34-bcf0-1a0844113c9a/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 -> 0d29117e01c2d68b456be2ae55b4c10d8b73c290 [2018-11-22 23:17:07,513 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:17:07,522 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:17:07,525 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:17:07,526 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:17:07,526 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:17:07,527 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/underapprox_false-unreach-call1_true-termination.i [2018-11-22 23:17:07,569 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/bin-2019/uautomizer/data/de22101cb/9852a15c75cc44cf908544c43f686e18/FLAG1018b5267 [2018-11-22 23:17:07,932 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:17:07,933 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/sv-benchmarks/c/loop-acceleration/underapprox_false-unreach-call1_true-termination.i [2018-11-22 23:17:07,939 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/bin-2019/uautomizer/data/de22101cb/9852a15c75cc44cf908544c43f686e18/FLAG1018b5267 [2018-11-22 23:17:08,349 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/bin-2019/uautomizer/data/de22101cb/9852a15c75cc44cf908544c43f686e18 [2018-11-22 23:17:08,352 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:17:08,354 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:17:08,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:17:08,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:17:08,358 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:17:08,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:08" (1/1) ... [2018-11-22 23:17:08,362 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@495e8f16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:08, skipping insertion in model container [2018-11-22 23:17:08,362 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:17:08" (1/1) ... [2018-11-22 23:17:08,370 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:17:08,384 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:17:08,513 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:17:08,516 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:17:08,527 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:17:08,537 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:17:08,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:08 WrapperNode [2018-11-22 23:17:08,538 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:17:08,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:17:08,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:17:08,539 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:17:08,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:08" (1/1) ... [2018-11-22 23:17:08,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:08" (1/1) ... [2018-11-22 23:17:08,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:17:08,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:17:08,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:17:08,561 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:17:08,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:08" (1/1) ... [2018-11-22 23:17:08,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:08" (1/1) ... [2018-11-22 23:17:08,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:08" (1/1) ... [2018-11-22 23:17:08,568 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:08" (1/1) ... [2018-11-22 23:17:08,569 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:08" (1/1) ... [2018-11-22 23:17:08,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:08" (1/1) ... [2018-11-22 23:17:08,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:08" (1/1) ... [2018-11-22 23:17:08,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:17:08,574 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:17:08,574 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:17:08,574 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:17:08,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/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 [2018-11-22 23:17:08,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:17:08,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:17:08,759 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:17:08,759 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-22 23:17:08,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:08 BoogieIcfgContainer [2018-11-22 23:17:08,760 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:17:08,760 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-22 23:17:08,760 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-22 23:17:08,763 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-22 23:17:08,763 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 23:17:08,763 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.11 11:17:08" (1/3) ... [2018-11-22 23:17:08,764 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1cbc9ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 11:17:08, skipping insertion in model container [2018-11-22 23:17:08,764 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 23:17:08,764 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:17:08" (2/3) ... [2018-11-22 23:17:08,765 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1cbc9ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.11 11:17:08, skipping insertion in model container [2018-11-22 23:17:08,765 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-22 23:17:08,765 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:08" (3/3) ... [2018-11-22 23:17:08,766 INFO L375 chiAutomizerObserver]: Analyzing ICFG underapprox_false-unreach-call1_true-termination.i [2018-11-22 23:17:08,806 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 23:17:08,807 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-22 23:17:08,807 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-22 23:17:08,807 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-22 23:17:08,807 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:17:08,807 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:17:08,807 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-22 23:17:08,808 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:17:08,808 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-22 23:17:08,818 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-22 23:17:08,834 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-22 23:17:08,834 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 23:17:08,834 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 23:17:08,839 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-22 23:17:08,839 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-22 23:17:08,840 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-22 23:17:08,840 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-22 23:17:08,840 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-22 23:17:08,840 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-22 23:17:08,841 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-22 23:17:08,841 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-22 23:17:08,841 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-22 23:17:08,846 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-2true [2018-11-22 23:17:08,847 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 9#L11-2true [2018-11-22 23:17:08,851 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:08,851 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-22 23:17:08,853 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:17:08,853 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:17:08,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:08,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:08,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:08,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:17:08,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:17:08,933 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:08,933 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-11-22 23:17:08,933 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:17:08,934 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:17:08,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:08,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:08,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:08,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:17:08,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:17:08,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:08,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-11-22 23:17:08,949 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:17:08,949 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:17:08,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:08,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:08,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:17:08,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:17:09,007 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:17:09,008 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:17:09,008 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:17:09,008 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:17:09,008 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-22 23:17:09,008 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:17:09,008 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:17:09,008 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:17:09,009 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-22 23:17:09,009 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:17:09,009 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:17:09,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:09,034 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:09,038 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:09,152 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:17:09,152 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/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 [2018-11-22 23:17:09,165 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:17:09,165 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:17:09,175 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-22 23:17:09,176 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/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 [2018-11-22 23:17:09,193 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:17:09,194 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:17:09,197 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-22 23:17:09,197 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/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 [2018-11-22 23:17:09,216 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:17:09,216 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/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 [2018-11-22 23:17:09,237 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-22 23:17:09,238 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:17:11,175 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-22 23:17:11,180 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:17:11,180 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:17:11,180 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:17:11,180 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:17:11,180 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-22 23:17:11,180 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:17:11,180 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:17:11,180 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:17:11,181 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-22 23:17:11,181 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:17:11,181 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:17:11,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:11,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:11,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:11,275 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:17:11,278 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-22 23:17:11,280 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:11,281 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:11,282 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,283 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,283 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,283 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:17:11,285 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:17:11,285 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,288 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,289 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:11,290 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:11,290 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,290 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,290 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,290 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:17:11,291 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:17:11,291 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,293 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,294 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:11,295 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:11,295 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,295 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,295 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,296 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:17:11,296 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:17:11,297 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,304 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,305 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-22 23:17:11,305 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:11,306 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:11,306 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,306 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,306 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,306 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:11,307 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:11,307 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,308 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,309 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:11,309 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:11,309 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,310 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,310 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,310 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:11,311 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:11,311 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,313 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,313 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:11,314 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:11,314 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,314 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,314 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,314 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:11,315 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:11,316 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,325 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,326 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-22 23:17:11,326 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:11,327 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:11,327 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,327 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,327 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,327 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:11,328 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:11,328 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,329 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,330 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:11,330 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:11,330 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,331 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,331 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,331 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:11,332 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:11,332 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,334 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,334 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:11,336 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:11,336 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,336 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,337 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,337 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:11,338 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:11,338 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,350 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,350 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-22 23:17:11,351 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:11,351 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:11,351 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,351 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,352 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,352 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:11,353 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:11,353 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,354 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,354 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:11,355 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:11,355 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,355 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,355 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,355 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:11,356 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:11,357 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,358 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,359 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:11,359 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:11,359 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,360 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,360 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,360 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:11,361 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:11,361 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,376 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,377 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-22 23:17:11,377 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:11,378 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:11,378 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:11,378 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,379 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,379 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,379 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:11,380 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:11,380 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,382 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,382 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:11,383 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:11,383 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:11,383 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,383 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,383 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,384 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:11,386 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:11,386 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,389 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,390 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:11,390 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:11,391 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:11,391 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,391 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,391 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,391 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:11,393 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:11,393 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,422 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,423 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-22 23:17:11,423 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:11,424 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:11,424 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:17:11,424 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,425 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,425 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,425 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:11,427 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:11,427 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,429 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,430 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:11,431 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:11,431 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:17:11,431 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,431 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,431 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,431 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:11,434 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:11,435 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,440 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,441 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 [2018-11-22 23:17:11,441 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:11,442 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:17:11,442 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,442 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,442 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,442 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:11,444 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:11,445 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,478 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,478 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-22 23:17:11,479 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 [2018-11-22 23:17:11,480 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:11,480 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:11,480 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,480 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,480 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,481 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:11,482 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:11,483 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,484 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,484 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:11,485 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:11,485 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:11,486 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,486 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,486 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,486 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:11,491 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:11,491 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,493 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,494 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 [2018-11-22 23:17:11,495 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:11,495 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:11,495 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,495 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,495 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,495 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:11,498 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:11,498 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,533 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,533 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-22 23:17:11,534 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 [2018-11-22 23:17:11,534 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:11,534 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:11,535 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,535 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,535 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,535 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:11,536 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:11,536 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,538 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,539 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:11,539 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:11,540 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:11,540 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,540 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,540 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,540 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:11,541 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:11,541 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,545 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,545 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 [2018-11-22 23:17:11,546 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:11,546 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:11,546 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,546 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,547 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,547 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:11,547 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:11,547 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,555 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,555 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-22 23:17:11,555 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:11,556 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:11,556 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:11,556 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,556 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,556 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,556 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:17:11,557 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:17:11,557 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,561 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,562 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:11,562 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:11,562 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:11,562 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,563 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,563 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,563 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:17:11,564 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:17:11,564 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,573 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,574 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:11,574 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:11,575 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:11,575 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:11,575 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:11,575 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:11,575 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:17:11,576 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:17:11,577 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:11,588 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:11,629 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:17:11,629 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:17:11,629 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:17:11,629 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:17:11,630 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-22 23:17:11,630 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:17:11,630 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:17:11,630 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:17:11,630 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-22 23:17:11,630 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:17:11,630 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:17:11,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:11,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:11,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:11,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:11,714 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:17:11,714 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/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 [2018-11-22 23:17:11,734 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:17:11,734 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:17:11,737 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-22 23:17:11,737 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/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 [2018-11-22 23:17:11,758 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:17:11,758 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:17:11,761 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-22 23:17:11,761 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/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 [2018-11-22 23:17:11,782 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:17:11,782 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/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 [2018-11-22 23:17:11,803 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-22 23:17:11,803 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:17:11,828 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-22 23:17:11,828 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=1} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=4}, {ULTIMATE.start_main_~y~0=5}, {ULTIMATE.start_main_~y~0=-8}] Lambdas: [2, 2, 2] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/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 [2018-11-22 23:17:11,847 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:17:11,847 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/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 [2018-11-22 23:17:11,868 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-22 23:17:11,869 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:17:23,921 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-22 23:17:23,926 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:17:23,926 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:17:23,926 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:17:23,926 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:17:23,926 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-22 23:17:23,926 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:17:23,926 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:17:23,927 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:17:23,927 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-22 23:17:23,927 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:17:23,927 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:17:23,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:23,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:23,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:23,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:24,003 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:17:24,003 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-22 23:17:24,003 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:24,004 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:24,004 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,004 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,004 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:17:24,005 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:17:24,005 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 23:17:24,012 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:24,013 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:24,013 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:24,013 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:24,014 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,014 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,014 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:17:24,014 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:17:24,014 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:24,015 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:24,015 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:24,015 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:24,015 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,015 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,016 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:17:24,017 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:17:24,017 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 23:17:24,021 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:24,022 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:24,022 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:24,022 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:24,023 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,023 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,023 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:17:24,023 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:17:24,023 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:24,024 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:24,026 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-22 23:17:24,026 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 [2018-11-22 23:17:24,027 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:24,027 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,027 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,027 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:24,029 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-22 23:17:24,029 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-22 23:17:24,040 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:24,040 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:24,041 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:24,041 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:24,041 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,042 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,042 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:24,042 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:24,042 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:24,043 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:24,043 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:24,044 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:24,044 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,044 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,044 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:24,046 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-22 23:17:24,046 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-22 23:17:24,060 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:24,061 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:24,061 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:24,061 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:24,061 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,062 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,062 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:24,062 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:24,062 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:24,063 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:24,063 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-22 23:17:24,063 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:24,064 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:24,064 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,064 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,064 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:24,066 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:17:24,067 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:17:24,078 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:24,079 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:24,079 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:24,079 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:24,080 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,080 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,080 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:24,080 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:24,081 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:24,081 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:24,083 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:24,084 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:24,084 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,084 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,085 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:24,087 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:17:24,087 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:17:24,116 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:24,117 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:24,117 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:24,117 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:24,118 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,118 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,118 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:24,118 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:24,118 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:24,119 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:24,119 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-22 23:17:24,120 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:24,120 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:24,120 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,121 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,121 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:24,123 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-22 23:17:24,124 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-22 23:17:24,137 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:24,138 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:24,138 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:24,138 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:24,138 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,139 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,139 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:24,139 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:24,139 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:24,140 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:24,140 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:24,141 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:24,141 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,141 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,141 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:24,144 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-22 23:17:24,144 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-22 23:17:24,182 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:24,183 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:24,183 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:24,183 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:24,184 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,184 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,184 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:24,184 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:24,185 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:24,185 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:24,185 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-22 23:17:24,186 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:24,186 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:24,186 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:24,187 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,187 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,187 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:24,189 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-22 23:17:24,189 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-22 23:17:24,207 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:24,207 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:24,208 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:24,208 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:24,208 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:24,208 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,208 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,208 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:24,209 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:24,209 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:24,209 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:24,210 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:24,210 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:24,210 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:24,211 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,211 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,211 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:24,213 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-22 23:17:24,213 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-22 23:17:24,303 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:24,304 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:24,304 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:24,304 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:24,305 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:24,305 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,305 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,305 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:24,306 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:24,306 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:24,306 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:24,307 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-22 23:17:24,307 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:24,307 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:24,308 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:17:24,308 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,308 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,308 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:24,310 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:17:24,310 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:17:24,332 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:24,333 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 [2018-11-22 23:17:24,333 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:24,334 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:17:24,334 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:24,334 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,334 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,334 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:24,335 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:24,335 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:24,335 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:24,336 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:24,336 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:24,336 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:17:24,337 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,337 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,337 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:24,339 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:17:24,339 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:17:24,702 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:24,703 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:24,703 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:24,703 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:17:24,704 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:24,704 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,704 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,704 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:24,705 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:24,705 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:24,706 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:24,706 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-22 23:17:24,706 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:24,707 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:24,707 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:24,707 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,707 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,707 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:24,710 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-22 23:17:24,710 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-22 23:17:24,738 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:24,738 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:24,739 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:24,739 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:24,740 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:24,740 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,740 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,740 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:24,741 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:24,741 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:24,742 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:24,742 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:24,743 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:24,743 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:24,743 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:24,743 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:24,743 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:24,748 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-22 23:17:24,748 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-22 23:17:25,642 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:25,642 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:25,643 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:25,643 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:25,643 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:25,643 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:25,643 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:25,643 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:25,644 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:25,645 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:25,645 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:25,645 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-22 23:17:25,646 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:25,646 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:25,646 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:25,646 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:25,646 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:25,647 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:25,648 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:17:25,648 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:17:25,663 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:25,663 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:25,664 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:25,664 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:25,664 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:25,664 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:25,665 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:25,665 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:25,665 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:25,665 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:25,666 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:25,667 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:25,667 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:25,667 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:25,668 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:25,668 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:25,668 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:25,670 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:17:25,670 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:17:25,714 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:25,714 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:25,715 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:25,715 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:25,715 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:25,715 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:25,715 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:25,715 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:25,716 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:25,716 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:25,717 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:25,717 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-22 23:17:25,718 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:25,718 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:25,718 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:25,718 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:25,718 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:25,719 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:17:25,721 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-22 23:17:25,721 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-22 23:17:25,736 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:25,736 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:25,737 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:25,737 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:25,737 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:25,737 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:25,737 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:25,737 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:17:25,738 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:17:25,738 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:25,739 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:25,739 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:25,740 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:25,740 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:25,740 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:25,740 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:25,740 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:17:25,743 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-22 23:17:25,743 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-22 23:17:25,898 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:25,899 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:25,899 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:25,899 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:25,899 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:25,900 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:25,900 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:25,900 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:17:25,901 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:17:25,901 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:25,903 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:25,903 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-22 23:17:25,904 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 9#L11-2true [2018-11-22 23:17:25,904 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 9#L11-2true [2018-11-22 23:17:25,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:25,904 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2018-11-22 23:17:25,904 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:17:25,904 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:17:25,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:25,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:17:25,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:17:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:17:25,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:25,912 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2018-11-22 23:17:25,912 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:17:25,912 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:17:25,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:25,914 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-22 23:17:25,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:17:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:17:25,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:17:25,919 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2018-11-22 23:17:25,919 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-22 23:17:25,919 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-22 23:17:25,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:25,920 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-22 23:17:25,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:17:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:17:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:17:25,952 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:17:25,952 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:17:25,952 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:17:25,952 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:17:25,952 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-22 23:17:25,952 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:17:25,952 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:17:25,952 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:17:25,953 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-22 23:17:25,953 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:17:25,953 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:17:25,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:25,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:25,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:26,019 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:17:26,019 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/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 [2018-11-22 23:17:26,033 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:17:26,033 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:17:26,041 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-22 23:17:26,041 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/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 [2018-11-22 23:17:26,062 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:17:26,062 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:17:26,065 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-22 23:17:26,065 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/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 [2018-11-22 23:17:26,087 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:17:26,087 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/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 [2018-11-22 23:17:26,114 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-22 23:17:26,114 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:17:27,563 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-22 23:17:27,567 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:17:27,567 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:17:27,567 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:17:27,567 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:17:27,567 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-22 23:17:27,567 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:17:27,567 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:17:27,567 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:17:27,567 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-22 23:17:27,567 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:17:27,568 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:17:27,568 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:27,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:27,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:27,637 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:17:27,637 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-22 23:17:27,638 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:27,638 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:27,638 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,638 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,638 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,638 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:17:27,639 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:17:27,639 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,643 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,644 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:27,644 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:27,644 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,644 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,644 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,644 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:17:27,645 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:17:27,645 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,645 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,646 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:27,646 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:27,646 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,646 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,646 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,646 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:17:27,647 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:17:27,647 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,649 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,649 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-22 23:17:27,649 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:27,650 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:27,650 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,650 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,650 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,650 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:27,650 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:27,650 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,651 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,651 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:27,652 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:27,652 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,652 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,652 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,652 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:27,661 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:27,662 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,662 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,663 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:27,663 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:27,663 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,663 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,663 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,663 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:27,664 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:27,664 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,666 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,666 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-22 23:17:27,667 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:27,667 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:27,667 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,667 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,667 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,667 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:27,668 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:27,668 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,669 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,670 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:27,670 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:27,670 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,671 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,671 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,671 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:27,671 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:27,671 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,672 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,672 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:27,672 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:27,672 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,673 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,673 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,673 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:27,673 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:27,673 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,676 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,676 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-22 23:17:27,685 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:27,685 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:27,685 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,685 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,685 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,686 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:27,686 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:27,686 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,687 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,687 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:27,687 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:27,687 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,688 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,688 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,688 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:27,697 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:27,697 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,697 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,698 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:27,698 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:27,698 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,699 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,699 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,699 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:27,699 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:27,699 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,703 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,703 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-22 23:17:27,703 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:27,704 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:27,704 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:27,704 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,704 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,704 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,704 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:27,705 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:27,705 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,705 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,706 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:27,706 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:27,706 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:27,706 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,707 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,707 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,707 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:27,708 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:27,708 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,709 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,709 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:27,709 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:27,709 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:27,710 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,710 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,710 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,710 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:27,711 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:27,711 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,716 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,716 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-22 23:17:27,717 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:27,717 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:27,717 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:17:27,718 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,718 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,718 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,718 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:27,719 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:27,719 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,720 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,720 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:27,721 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:27,721 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:17:27,721 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,721 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,721 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,721 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:27,723 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:27,723 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,725 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,725 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:27,726 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:27,726 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:17:27,726 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,726 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,726 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,727 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:27,728 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:27,728 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,739 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,739 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-22 23:17:27,739 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:27,739 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:27,740 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:27,740 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,740 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,740 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,740 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:27,741 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:27,741 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,742 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,742 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:27,742 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:27,743 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:27,743 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,743 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,743 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,743 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:27,746 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:27,747 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,748 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,748 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 [2018-11-22 23:17:27,749 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:27,749 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:27,749 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,749 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,749 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,749 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:27,751 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:27,751 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,770 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,770 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-22 23:17:27,770 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:27,771 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:27,771 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:27,771 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,771 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,771 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,771 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:27,772 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:27,772 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,773 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,773 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:27,774 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:27,774 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:27,774 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,774 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,774 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,774 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:27,775 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:27,775 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,778 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,778 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:27,778 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:27,779 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:27,779 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,779 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,779 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,779 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:27,780 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:27,780 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,784 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,784 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-22 23:17:27,785 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 [2018-11-22 23:17:27,785 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:27,785 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:27,785 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,786 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,786 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,786 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:17:27,786 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:17:27,787 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,789 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,789 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 [2018-11-22 23:17:27,790 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:27,790 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:27,790 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,790 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,790 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,790 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:17:27,792 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:17:27,792 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,799 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,799 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:27,800 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:27,800 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:27,800 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:27,800 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:27,800 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:27,800 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:17:27,801 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:17:27,801 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:27,810 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:27,846 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:17:27,846 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:17:27,846 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:17:27,846 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:17:27,846 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-22 23:17:27,846 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:17:27,846 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:17:27,846 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:17:27,846 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-22 23:17:27,847 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:17:27,847 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:17:27,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:27,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:27,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:27,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:27,955 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:17:27,955 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/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 [2018-11-22 23:17:27,965 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:17:27,965 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/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 [2018-11-22 23:17:28,000 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-22 23:17:28,000 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:17:28,018 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-22 23:17:28,018 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=2} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=7}, {ULTIMATE.start_main_~y~0=3}, {ULTIMATE.start_main_~y~0=-8}] Lambdas: [2, 2, 2] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/bin-2019/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:17:28,038 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:17:28,038 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:17:28,056 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-22 23:17:28,057 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/bin-2019/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:17:28,076 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-22 23:17:28,076 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_691445e9-7a2d-4f34-bcf0-1a0844113c9a/bin-2019/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:17:28,101 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-22 23:17:28,101 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-22 23:17:40,561 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-22 23:17:40,566 INFO L216 LassoAnalysis]: Preferences: [2018-11-22 23:17:40,566 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-22 23:17:40,566 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-22 23:17:40,566 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-22 23:17:40,566 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-22 23:17:40,566 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-22 23:17:40,566 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-22 23:17:40,566 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-22 23:17:40,566 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-22 23:17:40,566 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-22 23:17:40,566 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-22 23:17:40,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:40,571 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:40,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:40,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-22 23:17:40,644 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-22 23:17:40,644 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-22 23:17:40,644 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:40,645 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:40,645 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:40,645 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:40,645 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:17:40,646 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:17:40,646 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 23:17:40,653 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:40,654 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:40,660 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:40,661 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:40,661 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:40,661 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:17:40,662 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:17:40,662 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-22 23:17:40,666 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:40,666 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:40,667 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:40,667 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:40,667 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:40,667 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:40,667 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:17:40,667 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:17:40,667 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:40,668 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:40,668 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:40,668 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:40,669 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:40,669 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:40,669 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:40,669 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-22 23:17:40,669 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-22 23:17:40,669 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:40,669 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:40,670 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-22 23:17:40,670 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:40,670 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:40,670 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:40,670 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:40,671 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:40,672 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-22 23:17:40,672 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-22 23:17:40,679 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:40,679 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:40,680 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:40,680 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:40,680 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:40,680 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:40,681 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-22 23:17:40,681 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-22 23:17:40,688 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:40,688 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:40,688 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:40,689 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:40,689 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:40,689 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:40,689 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:40,689 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:40,689 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:40,690 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:40,690 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:40,690 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:40,690 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:40,691 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:40,691 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:40,691 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:40,691 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:40,691 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:40,691 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:40,692 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-22 23:17:40,692 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:40,692 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:40,692 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:40,692 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:40,693 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:40,694 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:17:40,694 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:17:40,715 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:40,715 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:40,716 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:40,716 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:40,716 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:40,716 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:40,717 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:17:40,717 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:17:40,725 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:40,725 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:40,725 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:40,726 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:40,726 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:40,726 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:40,726 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:40,726 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:40,726 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:40,727 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:40,727 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:40,727 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:40,727 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:40,728 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:40,728 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:40,728 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:40,728 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:40,728 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:40,729 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:40,729 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-22 23:17:40,729 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:40,729 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:40,729 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:40,729 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:40,730 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:40,731 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-22 23:17:40,731 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-22 23:17:40,755 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:40,756 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:40,756 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:40,756 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:40,756 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:40,756 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:40,758 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-22 23:17:40,758 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-22 23:17:40,767 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:40,768 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 [2018-11-22 23:17:40,768 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:40,768 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:40,768 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:40,768 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:40,768 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:40,769 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:40,769 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:40,769 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:40,770 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:40,770 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-22 23:17:40,770 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:40,770 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:40,770 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:40,770 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:40,771 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:40,771 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:40,771 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:40,771 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-22 23:17:40,772 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:40,772 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:40,772 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:40,772 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:40,772 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:40,772 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:40,774 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-22 23:17:40,774 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-22 23:17:40,831 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:40,831 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:40,832 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:40,832 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:40,832 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:40,832 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:40,832 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:40,834 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-22 23:17:40,834 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-22 23:17:40,848 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:40,849 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 [2018-11-22 23:17:40,849 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:40,849 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:40,849 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:40,849 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:40,850 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:40,850 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:40,850 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:40,850 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:40,851 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:40,851 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 [2018-11-22 23:17:40,851 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:40,851 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:40,851 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:40,852 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:40,852 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:40,852 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-22 23:17:40,852 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-22 23:17:40,852 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:40,853 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:40,853 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-22 23:17:40,853 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:40,853 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:40,854 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:17:40,854 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:40,854 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:40,854 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:40,856 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:17:40,857 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:17:41,083 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:41,084 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:41,084 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:41,084 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:17:41,084 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:41,085 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:41,085 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:41,087 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:17:41,087 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:17:41,124 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:41,125 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:41,125 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:41,125 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:17:41,125 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:41,125 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:41,126 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:41,126 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:41,126 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:41,126 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:41,127 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:41,128 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:41,128 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:41,128 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-22 23:17:41,128 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:41,129 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:41,129 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:41,129 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:41,129 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:41,129 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:41,130 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:41,130 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-22 23:17:41,131 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:41,131 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:41,131 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:41,131 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:41,131 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:41,132 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:41,137 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-22 23:17:41,137 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-22 23:17:42,014 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:42,015 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:42,015 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:42,015 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:42,016 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:42,016 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:42,016 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:42,019 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-22 23:17:42,019 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-22 23:17:42,059 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:42,059 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:42,060 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:42,060 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:42,060 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:42,060 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:42,061 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:42,061 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:42,062 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:42,062 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:42,062 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:42,063 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:42,063 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:42,063 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:42,064 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:42,064 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:42,064 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:42,064 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-22 23:17:42,065 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-22 23:17:42,065 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:42,066 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:42,066 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-22 23:17:42,066 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:42,067 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:42,067 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:42,067 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:42,067 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:42,067 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:42,069 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:17:42,069 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:17:42,090 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:42,091 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:42,091 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:42,091 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:42,091 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:42,091 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:42,092 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:42,093 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-22 23:17:42,093 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-22 23:17:42,104 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:42,104 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:42,105 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:42,105 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:42,105 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:42,105 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:42,105 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:42,105 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:42,106 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:42,106 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:42,107 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:42,108 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:42,108 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:42,108 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-22 23:17:42,108 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:42,108 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:42,109 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:42,109 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-22 23:17:42,109 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-22 23:17:42,109 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:42,110 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:42,110 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-22 23:17:42,111 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:42,111 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:42,111 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:42,111 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:42,112 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:42,112 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:17:42,115 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-22 23:17:42,115 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-22 23:17:42,334 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:42,334 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:42,335 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:42,335 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:42,335 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:42,335 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:42,335 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:17:42,338 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-22 23:17:42,338 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-22 23:17:42,388 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:42,388 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:42,389 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:42,389 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:42,389 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:42,389 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:42,389 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:42,389 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:17:42,390 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:17:42,390 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:42,392 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:42,393 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-22 23:17:42,393 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-22 23:17:42,393 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-22 23:17:42,393 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-22 23:17:42,394 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-22 23:17:42,394 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-22 23:17:42,394 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-22 23:17:42,394 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-22 23:17:42,394 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-22 23:17:42,396 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-22 23:17:42,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.11 11:17:42 BoogieIcfgContainer [2018-11-22 23:17:42,402 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-22 23:17:42,403 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:17:42,403 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:17:42,403 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:17:42,404 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:17:08" (3/4) ... [2018-11-22 23:17:42,407 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-22 23:17:42,408 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:17:42,408 INFO L168 Benchmark]: Toolchain (without parser) took 34055.65 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 446.7 MB). Free memory was 954.4 MB in the beginning and 1.2 GB in the end (delta: -258.4 MB). Peak memory consumption was 188.3 MB. Max. memory is 11.5 GB. [2018-11-22 23:17:42,410 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:17:42,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 183.68 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:17:42,411 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.21 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:17:42,411 INFO L168 Benchmark]: Boogie Preprocessor took 13.07 ms. Allocated memory is still 1.0 GB. Free memory is still 941.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:17:42,411 INFO L168 Benchmark]: RCFGBuilder took 185.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:17:42,412 INFO L168 Benchmark]: BuchiAutomizer took 33642.50 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 311.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -95.2 MB). Peak memory consumption was 605.0 MB. Max. memory is 11.5 GB. [2018-11-22 23:17:42,413 INFO L168 Benchmark]: Witness Printer took 4.74 ms. Allocated memory is still 1.5 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:17:42,416 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 183.68 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.21 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.07 ms. Allocated memory is still 1.0 GB. Free memory is still 941.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 185.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -176.6 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 33642.50 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 311.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -95.2 MB). Peak memory consumption was 605.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.74 ms. Allocated memory is still 1.5 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 33.6s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 33.5s. 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: 223ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 14.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1;" "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0;" Loop: "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...