./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/underapprox_false-unreach-call2_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_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/underapprox_false-unreach-call2_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_87086954-4987-4645-9b34-d221eea3622e/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 c0ad4658b31654787cb281a441e891421d607e94 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:50:36,580 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:50:36,581 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:50:36,587 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:50:36,587 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:50:36,588 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:50:36,589 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:50:36,590 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:50:36,591 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:50:36,592 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:50:36,592 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:50:36,593 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:50:36,593 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:50:36,594 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:50:36,594 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:50:36,595 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:50:36,595 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:50:36,597 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:50:36,598 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:50:36,599 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:50:36,599 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:50:36,600 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:50:36,602 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:50:36,602 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:50:36,603 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:50:36,603 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:50:36,604 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:50:36,604 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:50:36,605 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:50:36,606 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:50:36,606 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:50:36,606 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:50:36,606 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:50:36,607 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:50:36,607 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:50:36,607 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:50:36,608 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-23 06:50:36,617 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:50:36,618 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:50:36,619 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:50:36,619 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:50:36,619 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 06:50:36,619 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 06:50:36,619 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 06:50:36,619 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 06:50:36,620 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 06:50:36,620 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 06:50:36,620 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 06:50:36,620 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:50:36,620 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:50:36,620 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 06:50:36,620 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:50:36,621 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:50:36,621 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:50:36,621 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 06:50:36,621 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 06:50:36,621 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 06:50:36,621 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:50:36,621 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:50:36,621 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 06:50:36,622 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:50:36,622 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 06:50:36,622 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:50:36,622 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:50:36,622 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 06:50:36,622 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:50:36,622 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 06:50:36,622 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 06:50:36,623 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 06:50:36,623 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_87086954-4987-4645-9b34-d221eea3622e/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 -> c0ad4658b31654787cb281a441e891421d607e94 [2018-11-23 06:50:36,650 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:50:36,659 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:50:36,662 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:50:36,663 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:50:36,663 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:50:36,664 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/underapprox_false-unreach-call2_true-termination.i [2018-11-23 06:50:36,709 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/data/631009b76/f2f284110e8242c99eec01389d1f23d7/FLAG4c02c9797 [2018-11-23 06:50:37,040 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:50:37,041 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_87086954-4987-4645-9b34-d221eea3622e/sv-benchmarks/c/loop-acceleration/underapprox_false-unreach-call2_true-termination.i [2018-11-23 06:50:37,045 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/data/631009b76/f2f284110e8242c99eec01389d1f23d7/FLAG4c02c9797 [2018-11-23 06:50:37,469 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/data/631009b76/f2f284110e8242c99eec01389d1f23d7 [2018-11-23 06:50:37,471 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:50:37,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:50:37,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:50:37,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:50:37,475 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:50:37,475 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:50:37" (1/1) ... [2018-11-23 06:50:37,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@737ce175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:37, skipping insertion in model container [2018-11-23 06:50:37,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:50:37" (1/1) ... [2018-11-23 06:50:37,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:50:37,500 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:50:37,615 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:50:37,617 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:50:37,625 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:50:37,634 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:50:37,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:37 WrapperNode [2018-11-23 06:50:37,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:50:37,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:50:37,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:50:37,635 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:50:37,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:37" (1/1) ... [2018-11-23 06:50:37,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:37" (1/1) ... [2018-11-23 06:50:37,652 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:50:37,653 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:50:37,653 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:50:37,653 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:50:37,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:37" (1/1) ... [2018-11-23 06:50:37,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:37" (1/1) ... [2018-11-23 06:50:37,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:37" (1/1) ... [2018-11-23 06:50:37,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:37" (1/1) ... [2018-11-23 06:50:37,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:37" (1/1) ... [2018-11-23 06:50:37,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:37" (1/1) ... [2018-11-23 06:50:37,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:37" (1/1) ... [2018-11-23 06:50:37,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:50:37,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:50:37,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:50:37,663 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:50:37,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:50:37,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:50:37,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:50:37,810 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:50:37,810 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 06:50:37,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:50:37 BoogieIcfgContainer [2018-11-23 06:50:37,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:50:37,811 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 06:50:37,811 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 06:50:37,813 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 06:50:37,813 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 06:50:37,813 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 06:50:37" (1/3) ... [2018-11-23 06:50:37,814 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c8823ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 06:50:37, skipping insertion in model container [2018-11-23 06:50:37,814 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 06:50:37,814 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:37" (2/3) ... [2018-11-23 06:50:37,815 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5c8823ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 06:50:37, skipping insertion in model container [2018-11-23 06:50:37,815 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 06:50:37,815 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:50:37" (3/3) ... [2018-11-23 06:50:37,816 INFO L375 chiAutomizerObserver]: Analyzing ICFG underapprox_false-unreach-call2_true-termination.i [2018-11-23 06:50:37,848 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 06:50:37,849 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 06:50:37,849 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 06:50:37,849 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 06:50:37,849 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:50:37,849 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:50:37,849 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 06:50:37,849 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:50:37,849 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 06:50:37,857 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-23 06:50:37,870 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-23 06:50:37,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 06:50:37,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 06:50:37,874 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-23 06:50:37,874 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-23 06:50:37,874 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 06:50:37,874 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-23 06:50:37,875 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-23 06:50:37,875 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 06:50:37,875 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 06:50:37,876 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-23 06:50:37,876 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-23 06:50:37,882 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-2true [2018-11-23 06:50:37,883 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 9#L11-2true [2018-11-23 06:50:37,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:50:37,887 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-23 06:50:37,889 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:50:37,890 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:50:37,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:50:37,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:50:37,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:50:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:50:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:50:37,946 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:50:37,946 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-11-23 06:50:37,946 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:50:37,946 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:50:37,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:50:37,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:50:37,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:50:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:50:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:50:37,958 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:50:37,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-11-23 06:50:37,959 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:50:37,959 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:50:37,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:50:37,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:50:37,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:50:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:50:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:50:38,008 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 06:50:38,009 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 06:50:38,009 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 06:50:38,009 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 06:50:38,009 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 06:50:38,009 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:50:38,009 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 06:50:38,009 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 06:50:38,010 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-23 06:50:38,010 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 06:50:38,010 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 06:50:38,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:50:38,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:50:38,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:50:38,149 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 06:50:38,150 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:50:38,157 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 06:50:38,157 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 06:50:38,163 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 06:50:38,163 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_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:50:38,179 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 06:50:38,179 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 06:50:38,181 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 06:50:38,182 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_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:50:38,197 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 06:50:38,197 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:50:38,214 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 06:50:38,214 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 06:50:54,728 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-23 06:50:54,733 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 06:50:54,733 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 06:50:54,733 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 06:50:54,733 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 06:50:54,733 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 06:50:54,733 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:50:54,733 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 06:50:54,734 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 06:50:54,734 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-23 06:50:54,734 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 06:50:54,734 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 06:50:54,735 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:50:54,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:50:54,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:50:54,810 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 06:50:54,814 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 06:50:54,815 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:50:54,816 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:50:54,817 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:54,817 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:54,817 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:54,818 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 06:50:54,819 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 06:50:54,819 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:54,822 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:54,823 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:50:54,823 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:50:54,824 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:54,824 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:54,824 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:54,824 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 06:50:54,825 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 06:50:54,825 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:54,826 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:54,827 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:50:54,827 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:50:54,827 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:54,827 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:54,827 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:54,828 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 06:50:54,829 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 06:50:54,829 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:54,835 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:54,835 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-23 06:50:54,835 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:50:54,836 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:50:54,836 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:54,836 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:54,836 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:54,837 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:50:54,837 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 06:50:54,837 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:54,838 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:54,839 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:50:54,840 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:50:54,840 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:54,840 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:54,840 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:54,840 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:50:54,841 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 06:50:54,841 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:54,843 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:54,843 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:50:54,843 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:50:54,844 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:54,844 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:54,844 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:54,844 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:50:54,845 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 06:50:54,845 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:54,852 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:54,853 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-23 06:50:54,853 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 [2018-11-23 06:50:54,853 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:50:54,853 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:54,854 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:54,854 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:54,854 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:50:54,854 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:50:54,855 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:54,855 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:54,856 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:50:54,856 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:50:54,856 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:54,857 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:54,857 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:54,857 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:50:54,857 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:50:54,858 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:54,859 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:54,859 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:50:54,860 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:50:54,860 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:54,860 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:54,860 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:54,860 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:50:54,861 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:50:54,861 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:54,870 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:54,871 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-23 06:50:54,871 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:50:54,871 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:50:54,872 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:54,872 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:54,872 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:54,872 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:50:54,873 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 06:50:54,873 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:54,874 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:54,874 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:50:54,875 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:50:54,875 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:54,875 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:54,875 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:54,875 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:50:54,876 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 06:50:54,876 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:54,881 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:54,881 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:50:54,882 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:50:54,882 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:54,882 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:54,882 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:54,882 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:50:54,884 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 06:50:54,884 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:54,897 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:54,897 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-23 06:50:54,898 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:50:54,899 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:50:54,899 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:50:54,899 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:54,899 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:54,899 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:54,899 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:50:54,902 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 06:50:54,902 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:54,903 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:54,904 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:50:54,905 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:50:54,905 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:50:54,905 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:54,905 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:54,905 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:54,906 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:50:54,907 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 06:50:54,907 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:54,912 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:54,912 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:50:54,913 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:50:54,913 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:50:54,913 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:54,913 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:54,913 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:54,913 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:50:54,915 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 06:50:54,915 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:54,936 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:54,936 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-23 06:50:54,936 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:50:54,937 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:50:54,937 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 06:50:54,937 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:54,937 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:54,937 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:54,938 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:50:54,939 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:50:54,939 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:54,943 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:54,943 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:50:54,944 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:50:54,944 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 06:50:54,944 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:54,944 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:54,945 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:54,945 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:50:54,947 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:50:54,947 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:54,954 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:54,955 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:50:54,956 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:50:54,956 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 06:50:54,956 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:54,956 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:54,957 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:54,957 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:50:54,958 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:50:54,959 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:54,986 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:54,986 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-23 06:50:54,987 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:50:54,987 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:50:54,987 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:50:54,987 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:54,988 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:54,988 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:54,988 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:50:54,989 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 06:50:54,989 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:54,990 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:54,990 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:50:54,991 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:50:54,991 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:50:54,991 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:54,991 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:54,991 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:54,991 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:50:54,994 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 06:50:54,994 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:54,995 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:54,996 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:50:54,996 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:50:54,997 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:50:54,997 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:54,997 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:54,997 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:54,997 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:50:54,998 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 06:50:54,999 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:55,030 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:55,030 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-23 06:50:55,031 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:50:55,031 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:50:55,032 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:50:55,032 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:55,032 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:55,032 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:55,032 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:50:55,033 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:50:55,033 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:55,035 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:55,035 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:50:55,036 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:50:55,036 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:50:55,036 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:55,036 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:55,036 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:55,036 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:50:55,037 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:50:55,037 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:55,041 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:55,041 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:50:55,042 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:50:55,042 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:50:55,042 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:55,042 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:55,042 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:55,042 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:50:55,043 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:50:55,043 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:55,049 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:55,049 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-23 06:50:55,050 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:50:55,050 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:50:55,050 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:50:55,050 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:55,050 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:55,051 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:55,051 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 06:50:55,051 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 06:50:55,052 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:55,055 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:55,055 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:50:55,055 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:50:55,056 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:50:55,056 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:55,056 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:55,056 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:55,056 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 06:50:55,058 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 06:50:55,058 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:55,068 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:55,068 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:50:55,069 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:50:55,069 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:50:55,069 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:50:55,069 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:50:55,070 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:50:55,070 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 06:50:55,071 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 06:50:55,071 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:50:55,083 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:50:55,096 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 06:50:55,096 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 06:50:55,096 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 06:50:55,096 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 06:50:55,096 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 06:50:55,097 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:50:55,097 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 06:50:55,097 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 06:50:55,097 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-23 06:50:55,097 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 06:50:55,097 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 06:50:55,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:50:55,102 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:50:55,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:50:55,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:50:55,178 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 06:50:55,178 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:50:55,181 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 06:50:55,181 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 06:50:55,184 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 06:50:55,184 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_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:50:55,213 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 06:50:55,213 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:50:55,237 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 06:50:55,237 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 06:50:55,258 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 06:50:55,258 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_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:50:55,274 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 06:50:55,274 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 06:50:55,276 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 06:50:55,277 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_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:50:55,292 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 06:50:55,292 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:50:55,309 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 06:50:55,309 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 06:51:08,684 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-23 06:51:08,690 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 06:51:08,690 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 06:51:08,690 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 06:51:08,690 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 06:51:08,690 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 06:51:08,690 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:51:08,691 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 06:51:08,691 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 06:51:08,691 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-23 06:51:08,691 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 06:51:08,691 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 06:51:08,692 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:51:08,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:51:08,697 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:51:08,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:51:08,762 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 06:51:08,762 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 06:51:08,762 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:08,763 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:08,763 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:08,763 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:08,763 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 06:51:08,765 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 06:51:08,765 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 06:51:08,770 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:08,770 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 [2018-11-23 06:51:08,771 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:08,771 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:08,771 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:08,771 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:08,771 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 06:51:08,772 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 06:51:08,772 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:08,772 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:08,772 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 [2018-11-23 06:51:08,773 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:08,773 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:08,773 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:08,773 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 06:51:08,774 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 06:51:08,774 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 06:51:08,779 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:08,780 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:08,780 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:08,780 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:08,781 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:08,781 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:08,781 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 06:51:08,781 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 06:51:08,781 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:08,782 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:08,782 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-23 06:51:08,782 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:08,782 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:08,783 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:08,783 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:08,783 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:51:08,784 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 06:51:08,784 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 06:51:08,798 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:08,798 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:08,798 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:08,799 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:08,799 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:08,799 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:08,799 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:51:08,799 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 06:51:08,799 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:08,800 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:08,800 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:08,801 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:08,801 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:08,801 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:08,801 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:51:08,802 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 06:51:08,802 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 06:51:08,811 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:08,811 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:08,811 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:08,812 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:08,812 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:08,812 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:08,812 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:51:08,812 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 06:51:08,812 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:08,813 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:08,813 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-23 06:51:08,813 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:08,814 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:08,814 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:08,814 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:08,814 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:08,816 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 06:51:08,816 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 06:51:08,835 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:08,836 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:08,836 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:08,836 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:08,836 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:08,837 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:08,837 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:08,837 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:51:08,837 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:08,838 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:08,838 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:08,838 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:08,838 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:08,839 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:08,839 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:08,840 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 06:51:08,840 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 06:51:08,849 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:08,849 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 [2018-11-23 06:51:08,850 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:08,850 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:08,850 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:08,850 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:08,850 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:08,851 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:51:08,851 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:08,851 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:08,851 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-23 06:51:08,852 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:08,852 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:08,852 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:08,852 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:08,852 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:51:08,855 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 06:51:08,855 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 06:51:08,886 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:08,886 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:08,886 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:08,887 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:08,887 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:08,887 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:08,887 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:51:08,887 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 06:51:08,888 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:08,888 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:08,888 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:08,889 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:08,889 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:08,889 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:08,889 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:51:08,891 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 06:51:08,892 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 06:51:08,902 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:08,902 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:08,903 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:08,903 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:08,903 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:08,903 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:08,903 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:51:08,904 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 06:51:08,904 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:08,904 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:08,905 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-23 06:51:08,905 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:08,905 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:08,905 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:51:08,906 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:08,906 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:08,906 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:51:08,907 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 06:51:08,908 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 06:51:08,977 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:08,977 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:08,978 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:08,978 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:51:08,978 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:08,978 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:08,978 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:08,978 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:51:08,979 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 06:51:08,979 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:08,979 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:08,979 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:08,980 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:08,980 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:51:08,980 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:08,980 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:08,980 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:51:08,981 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 06:51:08,982 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 06:51:08,993 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:08,994 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:08,994 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:08,994 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:51:08,994 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:08,994 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:08,994 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:08,995 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:51:08,995 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 06:51:08,995 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:08,995 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:08,996 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-23 06:51:08,996 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:08,996 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:08,996 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 06:51:08,996 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:08,997 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:08,997 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:08,999 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 06:51:08,999 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 06:51:09,289 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:09,289 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 [2018-11-23 06:51:09,290 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:09,290 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 06:51:09,290 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:09,290 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:09,290 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:09,291 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:09,291 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:51:09,291 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:09,295 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:09,296 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:09,296 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:09,296 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 06:51:09,296 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:09,296 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:09,296 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:09,298 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 06:51:09,298 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 06:51:09,316 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:09,317 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:09,317 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:09,317 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 06:51:09,317 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:09,317 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:09,318 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:09,318 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:09,318 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:51:09,318 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:09,319 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:09,319 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-23 06:51:09,320 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:09,320 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:09,320 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:51:09,320 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:09,320 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:09,320 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:51:09,325 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 06:51:09,325 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 06:51:10,543 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:10,543 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:10,544 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:10,544 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:51:10,544 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:10,544 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:10,544 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:10,545 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:51:10,546 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 06:51:10,546 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:10,546 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:10,547 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:10,547 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:10,547 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:51:10,548 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:10,548 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:10,548 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:51:10,551 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 06:51:10,551 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 06:51:10,586 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:10,586 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:10,587 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:10,587 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:51:10,587 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:10,587 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:10,587 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:10,587 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:51:10,588 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 06:51:10,588 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:10,589 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:10,589 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-23 06:51:10,590 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:10,590 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:10,590 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:51:10,590 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:10,590 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:10,590 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:10,592 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 06:51:10,592 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 06:51:10,620 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:10,621 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:10,621 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:10,621 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:51:10,621 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:10,621 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:10,622 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:10,622 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:10,622 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:51:10,622 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:10,623 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:10,624 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:10,624 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:10,624 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:51:10,624 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:10,625 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:10,625 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:10,626 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 06:51:10,626 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 06:51:10,638 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:10,639 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:10,639 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:10,639 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:51:10,640 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:10,640 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:10,640 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:10,642 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:10,643 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:51:10,643 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:10,644 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:10,644 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-23 06:51:10,644 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:10,645 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:10,645 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:51:10,645 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:10,645 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:10,645 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 06:51:10,652 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-23 06:51:10,652 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-23 06:51:10,938 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:10,938 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:10,939 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:10,939 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:51:10,939 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:10,939 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:10,939 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:10,940 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 06:51:10,940 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 06:51:10,940 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:10,941 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:10,941 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:10,942 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:10,942 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:51:10,942 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:10,942 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:10,942 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 06:51:10,944 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-23 06:51:10,944 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-23 06:51:10,967 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:10,968 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:10,968 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:10,968 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:51:10,968 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:10,969 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:10,969 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:10,969 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 06:51:10,969 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 06:51:10,969 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:10,971 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:10,971 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-23 06:51:10,972 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 9#L11-2true [2018-11-23 06:51:10,972 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-2true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 9#L11-2true [2018-11-23 06:51:10,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:51:10,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2018-11-23 06:51:10,972 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:51:10,972 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:51:10,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:51:10,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:51:10,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:51:10,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:51:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:51:10,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:51:10,980 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2018-11-23 06:51:10,980 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:51:10,980 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:51:10,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:51:10,980 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 06:51:10,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:51:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:51:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:51:10,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:51:10,985 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2018-11-23 06:51:10,985 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:51:10,985 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:51:10,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:51:10,986 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 06:51:10,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:51:10,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:51:10,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:51:11,023 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 06:51:11,023 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 06:51:11,023 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 06:51:11,023 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 06:51:11,023 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 06:51:11,023 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:51:11,024 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 06:51:11,024 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 06:51:11,024 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-23 06:51:11,024 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 06:51:11,024 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 06:51:11,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:51:11,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:51:11,050 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:51:11,125 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 06:51:11,125 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:51:11,137 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 06:51:11,137 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 06:51:11,140 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 06:51:11,140 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_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:51:11,156 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 06:51:11,157 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 06:51:11,160 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 06:51:11,160 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_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:51:11,182 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 06:51:11,182 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:51:11,211 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 06:51:11,211 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 06:51:24,885 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-23 06:51:24,890 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 06:51:24,890 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 06:51:24,890 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 06:51:24,891 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 06:51:24,891 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 06:51:24,891 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:51:24,891 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 06:51:24,891 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 06:51:24,891 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call2_true-termination.i_Iteration1_Loop [2018-11-23 06:51:24,891 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 06:51:24,891 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 06:51:24,892 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:51:24,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:51:24,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:51:24,934 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 06:51:24,935 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 06:51:24,935 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:24,935 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:24,936 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:24,936 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:24,936 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:24,936 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 06:51:24,936 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 06:51:24,936 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:24,937 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:24,937 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:24,937 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:24,937 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:24,938 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:24,938 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:24,938 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 06:51:24,938 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 06:51:24,938 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:24,939 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:24,939 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:24,939 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:24,939 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:24,939 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:24,939 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:24,940 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 06:51:24,940 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 06:51:24,940 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:24,941 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:24,941 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-23 06:51:24,942 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:24,942 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:24,942 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:24,942 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:24,942 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:24,942 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:51:24,943 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 06:51:24,943 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:24,943 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:24,943 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:24,943 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:24,944 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:24,944 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:24,944 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:24,944 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:51:24,944 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 06:51:24,944 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:24,945 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:24,945 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:24,945 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:24,945 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:24,945 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:24,945 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:24,945 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:51:24,946 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 06:51:24,946 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:24,947 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:24,948 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-23 06:51:24,948 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:24,948 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:24,948 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:24,948 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:24,949 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:24,949 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:24,949 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:51:24,949 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:24,949 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:24,950 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:24,950 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:24,950 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:24,950 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:24,950 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:24,950 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:24,950 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:51:24,951 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:24,951 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:24,951 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:24,951 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:24,952 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:24,952 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:24,952 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:24,952 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:24,952 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:51:24,952 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:24,954 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:24,954 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-23 06:51:24,955 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:24,955 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:24,955 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:24,955 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:24,955 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:24,955 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:51:24,955 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 06:51:24,956 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:24,956 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:24,956 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:24,956 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:24,957 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:24,957 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:24,957 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:24,957 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:51:24,957 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 06:51:24,957 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:24,958 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:24,958 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:24,958 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:24,958 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:24,958 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:24,959 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:24,959 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:51:24,959 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 06:51:24,959 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:24,961 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:24,961 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-23 06:51:24,962 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:24,962 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:24,962 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:51:24,962 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:24,962 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:24,963 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:24,963 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:51:24,963 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 06:51:24,963 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:24,963 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:24,964 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:24,964 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:24,964 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:51:24,964 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:24,964 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:24,964 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:24,964 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:51:24,965 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 06:51:24,965 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:24,966 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:24,966 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:24,966 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:24,967 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:51:24,967 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:24,967 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:24,967 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:24,967 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:51:24,967 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 06:51:24,967 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:24,972 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:24,972 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-23 06:51:24,973 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:24,973 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:24,973 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 06:51:24,973 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:24,973 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:24,973 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:24,974 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:24,974 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:51:24,974 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:24,975 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:24,975 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:24,976 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:24,976 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 06:51:24,976 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:24,976 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:24,976 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:24,976 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:24,977 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:51:24,977 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:24,979 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:24,979 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:24,980 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:24,980 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 06:51:24,980 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:24,980 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:24,980 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:24,980 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:24,981 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:51:24,981 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:24,987 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:24,987 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-23 06:51:24,988 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:24,988 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:24,988 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:51:24,988 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:24,989 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:24,989 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:24,989 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:51:24,989 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 06:51:24,990 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:24,990 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:24,990 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:24,991 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:24,991 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:51:24,991 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:24,991 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:24,991 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:24,991 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:51:24,994 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 06:51:24,994 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:24,995 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:24,995 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:24,995 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:24,996 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:51:24,996 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:24,996 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:24,996 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:24,996 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:51:24,997 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 06:51:24,997 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:25,010 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:25,011 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-23 06:51:25,011 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:25,011 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:25,011 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:51:25,011 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:25,012 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:25,012 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:25,012 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:25,012 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:51:25,012 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:25,013 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:25,014 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:25,014 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:25,014 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:51:25,014 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:25,014 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:25,014 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:25,014 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:25,015 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:51:25,015 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:25,017 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:25,017 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:25,018 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:25,018 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:51:25,018 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:25,018 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:25,018 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:25,018 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:25,019 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:51:25,019 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:25,022 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:25,022 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-23 06:51:25,022 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 [2018-11-23 06:51:25,022 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:25,023 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:51:25,023 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:25,023 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:25,023 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:25,023 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 06:51:25,024 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 06:51:25,024 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:25,025 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:25,026 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 [2018-11-23 06:51:25,026 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:25,026 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:51:25,026 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:25,026 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:25,026 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:25,026 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 06:51:25,027 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 06:51:25,028 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:25,032 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:25,033 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:25,033 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:25,033 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:51:25,033 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:25,034 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:25,034 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:25,034 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 06:51:25,034 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 06:51:25,035 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:25,040 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:25,081 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 06:51:25,081 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 06:51:25,081 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 06:51:25,081 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 06:51:25,081 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 06:51:25,081 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:51:25,081 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 06:51:25,081 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 06:51:25,081 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-23 06:51:25,082 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 06:51:25,082 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 06:51:25,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:51:25,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:51:25,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:51:25,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:51:25,139 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 06:51:25,139 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:51:25,153 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 06:51:25,153 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_87086954-4987-4645-9b34-d221eea3622e/bin-2019/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:51:25,182 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 06:51:25,183 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 06:51:37,235 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-23 06:51:37,240 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 06:51:37,240 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 06:51:37,240 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 06:51:37,240 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 06:51:37,240 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 06:51:37,240 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 06:51:37,240 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 06:51:37,240 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 06:51:37,241 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call2_true-termination.i_Iteration1_Lasso [2018-11-23 06:51:37,241 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 06:51:37,241 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 06:51:37,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:51:37,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:51:37,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:51:37,268 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 06:51:37,336 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 06:51:37,336 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 06:51:37,336 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 [2018-11-23 06:51:37,337 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:37,337 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,337 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,337 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 06:51:37,338 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 06:51:37,338 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 06:51:37,342 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:37,343 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:37,343 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:37,343 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:37,343 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,343 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,343 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 06:51:37,343 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 06:51:37,344 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:37,348 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:37,349 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:37,349 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:37,349 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,349 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,349 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 06:51:37,353 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 06:51:37,353 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 06:51:37,356 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:37,357 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:37,357 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:37,357 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:37,357 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,357 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,357 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 06:51:37,358 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 06:51:37,358 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:37,358 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:37,358 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-23 06:51:37,358 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:37,359 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:37,359 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,359 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,359 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:51:37,360 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 06:51:37,360 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 06:51:37,366 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:37,366 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:37,366 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:37,366 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:37,366 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,367 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,367 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:51:37,367 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 06:51:37,367 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:37,367 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:37,368 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:37,368 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:37,369 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,369 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,369 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:51:37,370 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 06:51:37,370 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 06:51:37,376 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:37,376 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:37,376 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:37,377 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:37,377 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,377 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,377 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:51:37,377 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 06:51:37,377 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:37,377 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:37,378 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-23 06:51:37,378 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:37,378 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:37,378 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,378 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,378 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:37,379 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 06:51:37,380 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 06:51:37,385 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:37,385 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:37,386 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:37,386 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:37,386 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,386 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,386 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:37,386 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:51:37,387 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:37,387 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:37,387 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:37,387 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:37,388 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,388 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,388 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:37,389 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 06:51:37,389 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 06:51:37,400 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:37,400 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:37,401 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:37,401 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:37,401 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,401 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,401 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:37,402 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:51:37,402 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:37,402 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:37,402 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-23 06:51:37,402 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:37,402 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:37,403 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,403 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,403 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:51:37,404 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 06:51:37,404 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 06:51:37,411 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:37,412 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:37,412 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:37,412 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:37,412 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,412 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,412 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:51:37,413 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 06:51:37,413 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:37,413 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:37,413 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:37,414 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:37,414 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,414 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,414 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:51:37,415 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 06:51:37,415 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 06:51:37,439 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:37,439 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:37,440 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 06:51:37,440 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:37,440 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,440 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,440 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:51:37,441 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 06:51:37,441 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:37,441 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:37,441 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-23 06:51:37,441 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 [2018-11-23 06:51:37,442 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:37,442 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:51:37,442 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,442 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,442 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:51:37,443 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 06:51:37,443 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 06:51:37,459 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:37,459 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:37,460 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:37,460 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:51:37,460 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:37,460 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,460 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,460 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:51:37,461 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 06:51:37,461 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:37,461 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:37,461 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:37,462 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:37,462 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:51:37,462 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,462 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,462 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:51:37,463 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 06:51:37,463 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 06:51:37,502 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:37,503 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:37,503 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:37,503 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:51:37,503 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:37,504 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,504 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,504 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 06:51:37,504 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 06:51:37,504 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:37,504 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:37,505 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-23 06:51:37,505 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:37,505 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:37,505 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 06:51:37,505 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,505 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,505 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:37,507 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 06:51:37,507 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 06:51:37,529 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:37,530 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:37,530 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:37,530 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 06:51:37,530 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:37,530 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,531 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,531 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:37,531 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:51:37,531 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:37,532 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:37,532 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:37,532 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:37,533 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 06:51:37,533 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,533 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,533 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:37,535 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 06:51:37,535 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 06:51:37,843 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:37,844 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:37,847 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:37,847 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 06:51:37,847 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:37,847 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,847 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,847 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:37,848 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:51:37,848 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:37,851 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:37,851 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-23 06:51:37,852 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:37,852 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:37,852 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:51:37,852 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,852 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,852 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:51:37,854 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 06:51:37,855 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 06:51:37,906 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:37,906 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:37,907 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:37,907 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:51:37,907 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:37,907 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,907 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,907 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:51:37,908 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 06:51:37,908 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:37,909 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:37,909 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:37,909 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:37,910 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:51:37,910 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:37,910 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:37,910 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:51:37,913 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 06:51:37,914 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 06:51:38,583 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:38,584 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:38,584 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:38,585 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:51:38,585 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:38,585 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:38,585 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:38,585 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 06:51:38,586 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 06:51:38,586 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:38,587 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:38,587 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-23 06:51:38,587 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:38,587 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:38,588 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:51:38,588 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:38,588 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:38,588 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:38,589 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 06:51:38,589 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 06:51:38,610 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:38,610 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:38,611 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:38,611 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:51:38,611 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:38,611 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:38,611 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:38,611 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:38,612 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:51:38,612 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:38,613 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:38,613 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:38,614 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:38,614 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:51:38,614 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:38,614 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:38,614 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:38,616 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 06:51:38,616 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 06:51:38,637 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:38,637 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:38,638 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:38,638 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 06:51:38,638 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:38,638 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:38,638 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:38,638 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 06:51:38,639 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 06:51:38,639 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:38,639 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:38,639 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-23 06:51:38,640 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:38,640 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:38,640 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:51:38,640 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:38,640 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:38,640 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 06:51:38,642 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-23 06:51:38,642 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-23 06:51:38,689 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:38,689 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:38,690 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:38,690 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:51:38,690 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:38,690 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:38,690 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:38,690 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 06:51:38,691 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 06:51:38,691 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:38,693 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:38,693 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:38,693 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:38,694 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:51:38,694 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:38,694 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:38,694 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 06:51:38,697 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-23 06:51:38,697 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-23 06:51:38,935 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:38,935 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 06:51:38,935 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 06:51:38,935 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 06:51:38,936 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 06:51:38,936 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 06:51:38,936 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 06:51:38,936 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 06:51:38,937 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 06:51:38,938 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 06:51:38,939 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 06:51:38,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 06:51:38 BoogieIcfgContainer [2018-11-23 06:51:38,944 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 06:51:38,944 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:51:38,944 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:51:38,944 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:51:38,945 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:50:37" (3/4) ... [2018-11-23 06:51:38,948 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 06:51:38,948 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:51:38,949 INFO L168 Benchmark]: Toolchain (without parser) took 61477.22 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 424.7 MB). Free memory was 958.0 MB in the beginning and 1.3 GB in the end (delta: -369.2 MB). Peak memory consumption was 55.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:51:38,950 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:51:38,950 INFO L168 Benchmark]: CACSL2BoogieTranslator took 162.16 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:51:38,951 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.68 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:51:38,951 INFO L168 Benchmark]: Boogie Preprocessor took 10.10 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:51:38,952 INFO L168 Benchmark]: RCFGBuilder took 147.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -177.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:51:38,952 INFO L168 Benchmark]: BuchiAutomizer took 61133.25 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 284.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -205.4 MB). Peak memory consumption was 570.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:51:38,953 INFO L168 Benchmark]: Witness Printer took 3.77 ms. Allocated memory is still 1.5 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:51:38,955 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 162.16 ms. Allocated memory is still 1.0 GB. Free memory was 958.0 MB in the beginning and 947.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.68 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.10 ms. Allocated memory is still 1.0 GB. Free memory is still 944.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 147.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 944.6 MB in the beginning and 1.1 GB in the end (delta: -177.3 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 61133.25 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 284.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -205.4 MB). Peak memory consumption was 570.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.77 ms. Allocated memory is still 1.5 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 61.1s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 61.0s. 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: 49ms VariablesStem: 1 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 25.8s - 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...