./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/loop-acceleration/underapprox_false-unreach-call1_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_55a0a515-43cb-4f76-b214-cb132bc53314/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_55a0a515-43cb-4f76-b214-cb132bc53314/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_55a0a515-43cb-4f76-b214-cb132bc53314/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_55a0a515-43cb-4f76-b214-cb132bc53314/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/underapprox_false-unreach-call1_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_55a0a515-43cb-4f76-b214-cb132bc53314/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_55a0a515-43cb-4f76-b214-cb132bc53314/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d29117e01c2d68b456be2ae55b4c10d8b73c290 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:24:25,625 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:24:25,627 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:24:25,639 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:24:25,640 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:24:25,640 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:24:25,642 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:24:25,643 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:24:25,644 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:24:25,645 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:24:25,646 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:24:25,646 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:24:25,647 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:24:25,648 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:24:25,648 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:24:25,649 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:24:25,650 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:24:25,652 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:24:25,653 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:24:25,655 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:24:25,655 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:24:25,656 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:24:25,658 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:24:25,659 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:24:25,659 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:24:25,659 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:24:25,660 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:24:25,661 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:24:25,661 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:24:25,662 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:24:25,662 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:24:25,663 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:24:25,663 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:24:25,663 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:24:25,664 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:24:25,664 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:24:25,665 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_55a0a515-43cb-4f76-b214-cb132bc53314/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 12:24:25,677 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:24:25,678 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:24:25,678 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 12:24:25,679 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 12:24:25,679 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 12:24:25,679 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 12:24:25,679 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 12:24:25,679 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 12:24:25,679 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 12:24:25,679 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 12:24:25,680 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 12:24:25,680 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:24:25,680 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:24:25,680 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:24:25,680 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:24:25,680 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:24:25,680 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:24:25,680 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 12:24:25,681 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 12:24:25,681 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 12:24:25,681 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:24:25,681 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:24:25,681 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 12:24:25,681 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:24:25,683 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 12:24:25,684 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:24:25,684 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:24:25,684 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 12:24:25,684 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:24:25,684 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 12:24:25,684 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 12:24:25,685 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 12:24:25,685 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_55a0a515-43cb-4f76-b214-cb132bc53314/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d29117e01c2d68b456be2ae55b4c10d8b73c290 [2018-11-18 12:24:25,709 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:24:25,719 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:24:25,722 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:24:25,723 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:24:25,723 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:24:25,724 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_55a0a515-43cb-4f76-b214-cb132bc53314/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/underapprox_false-unreach-call1_true-termination.i [2018-11-18 12:24:25,777 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55a0a515-43cb-4f76-b214-cb132bc53314/bin-2019/uautomizer/data/0c87e0c0a/791e6fb2434a4ce481c4e8b21e65ead3/FLAG408e5fef1 [2018-11-18 12:24:26,108 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:24:26,109 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_55a0a515-43cb-4f76-b214-cb132bc53314/sv-benchmarks/c/loop-acceleration/underapprox_false-unreach-call1_true-termination.i [2018-11-18 12:24:26,114 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55a0a515-43cb-4f76-b214-cb132bc53314/bin-2019/uautomizer/data/0c87e0c0a/791e6fb2434a4ce481c4e8b21e65ead3/FLAG408e5fef1 [2018-11-18 12:24:26,524 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_55a0a515-43cb-4f76-b214-cb132bc53314/bin-2019/uautomizer/data/0c87e0c0a/791e6fb2434a4ce481c4e8b21e65ead3 [2018-11-18 12:24:26,526 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:24:26,527 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:24:26,528 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:24:26,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:24:26,532 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:24:26,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:24:26" (1/1) ... [2018-11-18 12:24:26,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4959e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:24:26, skipping insertion in model container [2018-11-18 12:24:26,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:24:26" (1/1) ... [2018-11-18 12:24:26,543 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:24:26,558 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:24:26,678 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:24:26,681 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:24:26,690 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:24:26,701 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:24:26,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:24:26 WrapperNode [2018-11-18 12:24:26,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:24:26,702 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:24:26,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:24:26,703 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:24:26,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:24:26" (1/1) ... [2018-11-18 12:24:26,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:24:26" (1/1) ... [2018-11-18 12:24:26,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:24:26,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:24:26,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:24:26,723 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:24:26,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:24:26" (1/1) ... [2018-11-18 12:24:26,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:24:26" (1/1) ... [2018-11-18 12:24:26,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:24:26" (1/1) ... [2018-11-18 12:24:26,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:24:26" (1/1) ... [2018-11-18 12:24:26,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:24:26" (1/1) ... [2018-11-18 12:24:26,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:24:26" (1/1) ... [2018-11-18 12:24:26,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:24:26" (1/1) ... [2018-11-18 12:24:26,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:24:26,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:24:26,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:24:26,737 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:24:26,738 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:24:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55a0a515-43cb-4f76-b214-cb132bc53314/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 [2018-11-18 12:24:26,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:24:26,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:24:26,971 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:24:26,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:24:26 BoogieIcfgContainer [2018-11-18 12:24:26,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:24:26,972 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 12:24:26,972 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 12:24:26,975 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 12:24:26,975 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:24:26,975 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 12:24:26" (1/3) ... [2018-11-18 12:24:26,976 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5542220f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:24:26, skipping insertion in model container [2018-11-18 12:24:26,976 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:24:26,976 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:24:26" (2/3) ... [2018-11-18 12:24:26,977 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5542220f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 12:24:26, skipping insertion in model container [2018-11-18 12:24:26,977 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 12:24:26,977 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:24:26" (3/3) ... [2018-11-18 12:24:26,978 INFO L375 chiAutomizerObserver]: Analyzing ICFG underapprox_false-unreach-call1_true-termination.i [2018-11-18 12:24:27,025 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:24:27,026 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 12:24:27,026 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 12:24:27,026 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 12:24:27,026 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:24:27,026 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:24:27,026 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 12:24:27,027 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:24:27,027 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 12:24:27,036 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-18 12:24:27,052 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-18 12:24:27,053 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:24:27,053 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:24:27,057 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-18 12:24:27,057 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-18 12:24:27,058 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 12:24:27,058 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-11-18 12:24:27,059 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-18 12:24:27,059 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 12:24:27,059 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 12:24:27,059 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-18 12:24:27,059 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-18 12:24:27,066 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-3true [2018-11-18 12:24:27,066 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 9#L11-3true [2018-11-18 12:24:27,071 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:24:27,072 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-18 12:24:27,073 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:24:27,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:24:27,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:24:27,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:24:27,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:24:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:24:27,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:24:27,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:24:27,146 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 1 times [2018-11-18 12:24:27,146 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:24:27,147 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:24:27,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:24:27,147 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:24:27,147 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:24:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:24:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:24:27,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:24:27,158 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 1 times [2018-11-18 12:24:27,158 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:24:27,158 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:24:27,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:24:27,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:24:27,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:24:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:24:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:24:27,263 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 12:24:27,264 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 12:24:27,264 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 12:24:27,264 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 12:24:27,264 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 12:24:27,264 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 12:24:27,264 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 12:24:27,265 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 12:24:27,265 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-18 12:24:27,265 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 12:24:27,265 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 12:24:27,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:27,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:27,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:27,494 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 12:24:27,495 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55a0a515-43cb-4f76-b214-cb132bc53314/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 [2018-11-18 12:24:27,500 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 12:24:27,500 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 12:24:27,506 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 12:24:27,506 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_55a0a515-43cb-4f76-b214-cb132bc53314/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 [2018-11-18 12:24:27,527 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 12:24:27,527 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 12:24:27,529 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 12:24:27,530 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_55a0a515-43cb-4f76-b214-cb132bc53314/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 [2018-11-18 12:24:27,547 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 12:24:27,547 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55a0a515-43cb-4f76-b214-cb132bc53314/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 [2018-11-18 12:24:27,575 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 12:24:27,575 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 12:24:29,526 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-18 12:24:29,530 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 12:24:29,531 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 12:24:29,531 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 12:24:29,531 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 12:24:29,531 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 12:24:29,531 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 12:24:29,531 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 12:24:29,531 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 12:24:29,531 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-18 12:24:29,531 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 12:24:29,532 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 12:24:29,532 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:29,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:29,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:29,730 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 12:24:29,734 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 12:24:29,736 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:29,737 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:29,737 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:29,738 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:29,738 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:29,738 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 12:24:29,739 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 12:24:29,740 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:29,742 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:29,743 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:29,743 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:29,743 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:29,744 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:29,744 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:29,744 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 12:24:29,745 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 12:24:29,745 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:29,746 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:29,747 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:29,747 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:29,747 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:29,748 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:29,748 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:29,748 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 12:24:29,749 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 12:24:29,749 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:29,756 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:29,756 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-18 12:24:29,756 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:29,757 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:29,757 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:29,757 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:29,757 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:29,757 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:24:29,758 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 12:24:29,758 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:29,759 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:29,759 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:29,760 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:29,760 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:29,760 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:29,760 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:29,760 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:24:29,761 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 12:24:29,761 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:29,762 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:29,762 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 [2018-11-18 12:24:29,763 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:29,763 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:29,763 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:29,763 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:29,763 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:24:29,764 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 12:24:29,764 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:29,773 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:29,773 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-18 12:24:29,773 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:29,774 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:29,774 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:29,774 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:29,774 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:29,774 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:29,775 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:24:29,775 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:29,775 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:29,776 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:29,776 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:29,776 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:29,776 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:29,776 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:29,776 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:29,777 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:24:29,777 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:29,778 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:29,778 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:29,780 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:29,780 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:29,780 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:29,780 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:29,780 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:29,782 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:24:29,782 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:29,792 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:29,793 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-18 12:24:29,793 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:29,794 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:29,794 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:29,794 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:29,794 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:29,794 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:24:29,795 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 12:24:29,795 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:29,796 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:29,796 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:29,797 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:29,797 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:29,797 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:29,797 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:29,798 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:24:29,798 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 12:24:29,799 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:29,800 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:29,801 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:29,802 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:29,802 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:29,802 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:29,802 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:29,802 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:24:29,804 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 12:24:29,804 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:29,817 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:29,817 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-18 12:24:29,817 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:29,818 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:29,818 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:24:29,818 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:29,819 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:29,819 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:29,819 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:24:29,820 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 12:24:29,820 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:29,821 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:29,822 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:29,822 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:29,822 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:24:29,823 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:29,823 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:29,823 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:29,823 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:24:29,825 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 12:24:29,825 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:29,835 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:29,835 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 [2018-11-18 12:24:29,836 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:29,836 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:24:29,836 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:29,837 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:29,837 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:29,837 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:24:29,838 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 12:24:29,838 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:29,861 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:29,861 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-18 12:24:29,862 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:29,863 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:29,863 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 12:24:29,863 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:29,863 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:29,863 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:29,863 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:29,865 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:24:29,865 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:29,867 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:29,868 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:29,868 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:29,869 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 12:24:29,869 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:29,869 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:29,869 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:29,869 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:29,872 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:24:29,872 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:29,877 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:29,878 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:29,878 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:29,879 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 12:24:29,879 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:29,879 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:29,879 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:29,879 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:29,881 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:24:29,881 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:29,917 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:29,917 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-18 12:24:29,917 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:29,918 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:29,918 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:24:29,919 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:29,919 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:29,919 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:29,919 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:24:29,921 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 12:24:29,921 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:29,923 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:29,923 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:29,924 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:29,924 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:24:29,924 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:29,924 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:29,924 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:29,925 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:24:29,933 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 12:24:29,933 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:29,935 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:29,936 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 [2018-11-18 12:24:29,936 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:29,937 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:24:29,937 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:29,937 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:29,937 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:29,937 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:24:29,939 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 12:24:29,940 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:29,972 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:29,972 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-18 12:24:29,973 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 [2018-11-18 12:24:29,973 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:29,973 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:24:29,973 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:29,974 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:29,974 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:29,974 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:29,975 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:24:29,975 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:29,977 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:29,978 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:29,978 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:29,978 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:24:29,978 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:29,978 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:29,979 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:29,979 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:29,979 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:24:29,979 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:29,984 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:29,985 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:29,985 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:29,985 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:24:29,985 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:29,986 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:29,986 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:29,986 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:29,987 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:24:29,987 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:29,994 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:29,995 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-18 12:24:29,995 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 [2018-11-18 12:24:29,996 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:29,996 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:24:29,996 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:29,996 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:29,996 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:29,996 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 12:24:29,997 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 12:24:29,997 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:30,001 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:30,002 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:30,002 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:30,002 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:24:30,002 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:30,003 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:30,003 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:30,003 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 12:24:30,005 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 12:24:30,005 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:30,025 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:30,026 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 [2018-11-18 12:24:30,026 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:30,027 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:24:30,027 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:30,027 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:30,027 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:30,027 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 12:24:30,028 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 12:24:30,028 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:30,040 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:30,110 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 12:24:30,110 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 12:24:30,110 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 12:24:30,111 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 12:24:30,111 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 12:24:30,111 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 12:24:30,111 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 12:24:30,111 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 12:24:30,111 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-18 12:24:30,111 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 12:24:30,111 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 12:24:30,112 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:30,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:30,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:30,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:30,342 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 12:24:30,343 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55a0a515-43cb-4f76-b214-cb132bc53314/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 [2018-11-18 12:24:30,346 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 12:24:30,346 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 12:24:30,349 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 12:24:30,349 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_55a0a515-43cb-4f76-b214-cb132bc53314/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 [2018-11-18 12:24:30,370 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 12:24:30,370 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 12:24:30,372 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 12:24:30,372 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_55a0a515-43cb-4f76-b214-cb132bc53314/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 [2018-11-18 12:24:30,391 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 12:24:30,391 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55a0a515-43cb-4f76-b214-cb132bc53314/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 [2018-11-18 12:24:30,414 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 12:24:30,414 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 12:24:30,441 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 12:24:30,441 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_55a0a515-43cb-4f76-b214-cb132bc53314/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 [2018-11-18 12:24:30,461 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 12:24:30,461 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55a0a515-43cb-4f76-b214-cb132bc53314/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 [2018-11-18 12:24:30,486 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 12:24:30,486 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 12:24:42,538 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-18 12:24:42,543 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 12:24:42,543 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 12:24:42,543 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 12:24:42,543 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 12:24:42,543 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 12:24:42,543 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 12:24:42,543 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 12:24:42,543 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 12:24:42,543 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-18 12:24:42,544 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 12:24:42,544 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 12:24:42,545 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:42,559 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:42,561 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:42,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:42,716 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 12:24:42,716 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 12:24:42,716 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:42,717 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:42,717 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:42,717 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:42,717 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 12:24:42,719 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 12:24:42,719 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 12:24:42,725 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:42,726 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:42,726 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:42,726 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:42,726 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:42,727 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:42,727 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 12:24:42,727 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 12:24:42,727 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:42,728 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:42,728 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:42,728 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:42,728 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:42,728 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:42,729 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 12:24:42,730 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 12:24:42,730 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 12:24:42,734 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:42,735 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:42,735 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:42,735 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:42,735 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:42,736 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:42,736 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 12:24:42,736 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 12:24:42,736 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:42,737 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:42,737 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-18 12:24:42,737 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:42,737 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:42,738 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:42,738 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:42,738 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:24:42,739 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 12:24:42,739 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 12:24:42,747 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:42,747 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:42,747 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:42,748 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:42,748 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:42,748 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:42,748 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:24:42,748 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 12:24:42,748 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:42,749 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:42,749 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:42,750 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:42,750 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:42,750 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:42,750 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:24:42,751 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 12:24:42,751 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 12:24:42,762 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:42,763 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:42,763 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:42,763 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:42,763 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:42,763 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:42,764 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:24:42,764 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 12:24:42,764 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:42,764 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:42,765 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-18 12:24:42,765 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:42,765 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:42,769 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:42,769 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:42,769 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:42,771 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 12:24:42,771 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 12:24:42,781 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:42,782 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 [2018-11-18 12:24:42,782 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:42,782 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:42,782 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:42,782 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:42,783 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:42,783 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:24:42,783 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:42,783 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:42,784 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:42,784 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:42,784 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:42,784 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:42,784 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:42,790 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 12:24:42,790 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 12:24:42,816 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:42,817 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:42,817 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:42,818 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:42,818 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:42,818 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:42,818 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:42,818 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:24:42,819 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:42,819 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:42,819 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-18 12:24:42,820 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:42,820 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:42,820 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:42,820 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:42,820 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:24:42,825 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 12:24:42,826 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 12:24:42,837 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:42,837 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:42,838 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:42,838 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:42,838 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:42,839 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:42,839 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:24:42,839 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 12:24:42,839 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:42,840 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:42,843 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 [2018-11-18 12:24:42,843 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:42,843 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:42,843 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:42,844 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:24:42,847 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 12:24:42,848 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 12:24:42,886 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:42,886 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 [2018-11-18 12:24:42,887 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:42,887 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:42,889 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:42,889 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:42,889 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:24:42,890 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 12:24:42,890 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:42,890 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:42,891 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-18 12:24:42,891 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:42,891 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:42,891 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:24:42,892 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:42,892 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:42,892 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:24:42,893 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 12:24:42,897 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 12:24:42,916 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:42,916 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:42,916 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:42,917 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:24:42,917 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:42,917 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:42,917 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:42,917 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:24:42,920 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 12:24:42,920 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:42,921 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:42,921 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:42,922 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:42,922 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:24:42,922 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:42,922 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:42,922 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:24:42,924 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 12:24:42,924 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 12:24:43,015 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:43,015 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:43,016 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:43,016 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:24:43,016 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:43,016 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:43,016 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:43,016 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:24:43,017 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 12:24:43,017 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:43,021 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:43,021 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-18 12:24:43,022 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 [2018-11-18 12:24:43,022 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:43,022 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 12:24:43,022 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:43,023 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:43,023 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:43,025 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 12:24:43,025 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 12:24:43,051 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:43,052 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:43,052 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:43,052 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 12:24:43,052 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:43,053 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:43,053 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:43,053 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:43,056 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:24:43,056 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:43,057 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:43,058 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:43,058 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:43,058 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 12:24:43,058 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:43,059 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:43,059 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:43,061 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 12:24:43,064 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 12:24:43,466 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:43,466 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:43,467 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:43,467 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 12:24:43,467 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:43,467 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:43,467 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:43,468 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:43,468 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:24:43,468 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:43,469 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:43,469 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-18 12:24:43,470 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:43,470 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:43,470 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:24:43,470 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:43,470 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:43,470 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:24:43,472 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 12:24:43,473 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 12:24:43,516 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:43,516 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:43,517 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:43,517 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:24:43,517 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:43,517 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:43,517 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:43,517 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:24:43,518 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 12:24:43,518 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:43,519 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:43,519 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:43,521 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:43,521 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:24:43,521 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:43,522 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:43,522 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:24:43,528 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 12:24:43,528 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 12:24:44,631 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:44,632 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:44,633 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:44,633 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:24:44,633 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:44,633 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:44,633 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:44,633 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:24:44,634 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 12:24:44,634 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:44,635 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:44,635 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-18 12:24:44,635 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:44,636 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:44,636 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:24:44,636 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:44,636 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:44,636 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:44,648 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 12:24:44,648 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 12:24:44,659 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:44,659 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:44,659 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:44,660 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:24:44,660 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:44,660 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:44,660 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:44,660 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:44,660 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:24:44,660 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:44,664 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:44,664 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:44,665 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:44,665 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:24:44,665 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:44,665 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:44,665 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:44,667 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 12:24:44,667 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 12:24:44,689 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:44,690 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:44,691 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:44,691 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:24:44,691 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:44,691 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:44,691 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:44,691 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:44,692 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:24:44,692 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:44,693 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:44,693 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-18 12:24:44,693 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 [2018-11-18 12:24:44,694 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:44,694 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:24:44,694 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:44,694 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:44,694 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 12:24:44,696 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-18 12:24:44,696 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-18 12:24:44,716 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:44,716 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:44,717 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:44,717 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:24:44,717 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:44,717 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:44,717 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:44,722 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 12:24:44,723 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 12:24:44,723 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:44,724 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:44,724 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:44,726 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:44,726 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:24:44,726 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:44,726 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:44,727 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 12:24:44,729 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-18 12:24:44,731 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-18 12:24:44,924 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:44,924 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:44,927 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:44,927 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:24:44,927 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:44,927 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:44,927 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:44,927 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 12:24:44,928 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 12:24:44,928 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:44,930 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:44,930 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-18 12:24:44,930 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 9#L11-3true [2018-11-18 12:24:44,930 INFO L796 eck$LassoCheckResult]: Loop: 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0; 9#L11-3true [2018-11-18 12:24:44,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:24:44,931 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 2 times [2018-11-18 12:24:44,931 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:24:44,931 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:24:44,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:24:44,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:24:44,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:24:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:24:44,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:24:44,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:24:44,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 2 times [2018-11-18 12:24:44,941 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:24:44,948 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:24:44,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:24:44,948 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:24:44,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:24:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:24:44,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:24:44,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:24:44,952 INFO L82 PathProgramCache]: Analyzing trace with hash 889541199, now seen corresponding path program 3 times [2018-11-18 12:24:44,952 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 12:24:44,952 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 12:24:44,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:24:44,953 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 12:24:44,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:24:44,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:24:44,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:24:45,072 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 12:24:45,072 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 12:24:45,072 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 12:24:45,072 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 12:24:45,072 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 12:24:45,072 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 12:24:45,072 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 12:24:45,073 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 12:24:45,073 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-18 12:24:45,073 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 12:24:45,073 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 12:24:45,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:45,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:45,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:45,450 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-18 12:24:45,450 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 12:24:45,451 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55a0a515-43cb-4f76-b214-cb132bc53314/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 [2018-11-18 12:24:45,454 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 12:24:45,454 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 12:24:45,457 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 12:24:45,457 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_55a0a515-43cb-4f76-b214-cb132bc53314/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 [2018-11-18 12:24:45,486 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 12:24:45,486 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 12:24:45,506 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 12:24:45,506 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_55a0a515-43cb-4f76-b214-cb132bc53314/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 [2018-11-18 12:24:45,529 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 12:24:45,529 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55a0a515-43cb-4f76-b214-cb132bc53314/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 [2018-11-18 12:24:45,552 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 12:24:45,552 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 12:24:47,000 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-11-18 12:24:47,004 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 12:24:47,004 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 12:24:47,004 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 12:24:47,004 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 12:24:47,004 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 12:24:47,004 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 12:24:47,004 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 12:24:47,004 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 12:24:47,004 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-18 12:24:47,004 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 12:24:47,005 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 12:24:47,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:47,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:47,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:47,142 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 12:24:47,142 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 12:24:47,142 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,143 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:47,143 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,143 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,143 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,143 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 12:24:47,143 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 12:24:47,144 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,144 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,145 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,145 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:47,145 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,145 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,145 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,146 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 12:24:47,146 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 12:24:47,146 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,146 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,147 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,147 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:47,147 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,147 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,147 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,148 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 12:24:47,148 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 12:24:47,148 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,150 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,150 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-18 12:24:47,151 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,151 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:47,151 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,152 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,152 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,152 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:24:47,152 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 12:24:47,152 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,153 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,153 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,154 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:47,154 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,154 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,155 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,155 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:24:47,155 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 12:24:47,155 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,155 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,156 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,156 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:47,156 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,156 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,156 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,156 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:24:47,157 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 12:24:47,157 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,159 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,159 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-18 12:24:47,159 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,159 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:47,160 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,160 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,160 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,160 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:47,160 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:24:47,160 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,161 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,161 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,161 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:47,161 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,161 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,162 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,162 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:47,162 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:24:47,162 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,162 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,163 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,163 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:47,163 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,163 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,164 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,164 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:47,164 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:24:47,164 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,166 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,166 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-18 12:24:47,167 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,167 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:47,167 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,167 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,167 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,167 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:24:47,168 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 12:24:47,168 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,168 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,168 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,169 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:47,169 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,169 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,169 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,169 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:24:47,169 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 12:24:47,169 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,170 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,170 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,171 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:47,171 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,171 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,171 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,171 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:24:47,171 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 12:24:47,172 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,175 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,175 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-18 12:24:47,176 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,176 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:47,176 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:24:47,176 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,176 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,176 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,176 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:24:47,177 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 12:24:47,177 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,177 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,178 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,178 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:47,178 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:24:47,178 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,178 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,178 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,179 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:24:47,179 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 12:24:47,179 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,180 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,180 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,181 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:47,181 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:24:47,181 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,181 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,181 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,181 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:24:47,182 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 12:24:47,182 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,188 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,188 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-18 12:24:47,188 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,189 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:47,189 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 12:24:47,189 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,189 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,189 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,189 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:47,190 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:24:47,190 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,192 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,192 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,193 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:47,193 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 12:24:47,193 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,193 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,193 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,193 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:47,194 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:24:47,194 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,196 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,196 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,197 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:47,197 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 12:24:47,197 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,197 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,197 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,197 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:47,198 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:24:47,198 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,209 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,209 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-18 12:24:47,209 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,210 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:47,210 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:24:47,210 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,210 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,210 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,210 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:24:47,211 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 12:24:47,211 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,212 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,212 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,212 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:47,213 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:24:47,213 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,213 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,213 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,213 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:24:47,216 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 12:24:47,216 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,217 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,218 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,218 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:47,218 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:24:47,218 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,218 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,219 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,219 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:24:47,220 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 12:24:47,220 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,236 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,236 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-18 12:24:47,236 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,237 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:47,237 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:24:47,237 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,237 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,237 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,237 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:47,238 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:24:47,238 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,239 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,239 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,240 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:47,240 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:24:47,240 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,240 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,240 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,240 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:47,241 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:24:47,241 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,243 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,243 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,244 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:47,244 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:24:47,244 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,244 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,244 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,244 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:47,245 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:24:47,245 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,248 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,248 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-18 12:24:47,248 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,249 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:47,249 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:24:47,249 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,249 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,250 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,250 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 12:24:47,250 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 12:24:47,251 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,252 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,253 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,253 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:47,253 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:24:47,253 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,253 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,253 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,254 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 12:24:47,255 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 12:24:47,255 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,260 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,260 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:47,261 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:47,261 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:24:47,261 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:47,261 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:47,261 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:47,261 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 12:24:47,262 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 12:24:47,262 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:47,269 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:47,372 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 14 [2018-11-18 12:24:47,387 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 12:24:47,387 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 12:24:47,387 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 12:24:47,387 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 12:24:47,388 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-18 12:24:47,388 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 12:24:47,388 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 12:24:47,388 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 12:24:47,388 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-18 12:24:47,388 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 12:24:47,388 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 12:24:47,389 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:47,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:47,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:47,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:47,552 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 12:24:47,552 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55a0a515-43cb-4f76-b214-cb132bc53314/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 [2018-11-18 12:24:47,559 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 12:24:47,559 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55a0a515-43cb-4f76-b214-cb132bc53314/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 [2018-11-18 12:24:47,590 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 12:24:47,590 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 12:24:47,603 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 12:24:47,604 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=2} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=7}, {ULTIMATE.start_main_~y~0=3}, {ULTIMATE.start_main_~y~0=-8}] Lambdas: [2, 2, 2] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55a0a515-43cb-4f76-b214-cb132bc53314/bin-2019/uautomizer/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 12:24:47,634 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 12:24:47,635 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 12:24:47,646 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-18 12:24:47,646 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_55a0a515-43cb-4f76-b214-cb132bc53314/bin-2019/uautomizer/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 12:24:47,669 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-18 12:24:47,670 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55a0a515-43cb-4f76-b214-cb132bc53314/bin-2019/uautomizer/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 12:24:47,693 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-18 12:24:47,693 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-18 12:24:59,735 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-18 12:24:59,740 INFO L216 LassoAnalysis]: Preferences: [2018-11-18 12:24:59,740 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-18 12:24:59,740 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-18 12:24:59,740 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-18 12:24:59,740 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-18 12:24:59,740 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 12:24:59,740 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-18 12:24:59,741 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-18 12:24:59,741 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_false-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-18 12:24:59,741 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-18 12:24:59,741 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-18 12:24:59,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:59,746 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:59,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:59,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-18 12:24:59,839 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-18 12:24:59,839 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-18 12:24:59,839 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 [2018-11-18 12:24:59,840 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:59,840 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:59,840 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:59,840 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 12:24:59,841 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 12:24:59,841 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 12:24:59,845 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:59,845 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:59,846 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:59,846 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:59,846 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:59,846 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 12:24:59,847 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 12:24:59,847 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-18 12:24:59,850 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:59,851 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:59,851 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:59,851 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:59,851 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:59,852 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:59,852 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 12:24:59,852 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 12:24:59,852 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:59,876 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:59,876 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:59,877 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:59,877 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:59,877 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:59,877 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:59,877 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-18 12:24:59,877 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-18 12:24:59,877 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:59,877 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:59,878 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-18 12:24:59,878 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:59,878 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:59,878 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:59,878 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:59,878 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:24:59,879 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 12:24:59,879 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 12:24:59,889 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:59,889 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:59,889 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:59,889 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:59,889 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:59,890 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:24:59,890 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 12:24:59,890 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 12:24:59,898 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:59,898 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 [2018-11-18 12:24:59,899 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:59,899 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:59,899 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:59,899 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:59,899 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:24:59,899 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 12:24:59,899 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:59,900 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:59,900 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:59,900 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:59,900 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:59,900 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:59,900 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:59,901 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:24:59,901 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 12:24:59,901 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:59,901 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:59,901 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-18 12:24:59,901 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:59,902 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:59,902 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:59,902 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:59,902 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:59,903 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 12:24:59,903 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 12:24:59,919 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:59,919 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:59,920 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:59,920 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:59,920 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:59,920 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:59,921 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 12:24:59,921 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 12:24:59,926 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:59,926 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:59,926 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:59,926 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:59,926 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:59,927 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:59,927 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:59,927 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:24:59,927 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:59,927 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:59,928 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:59,928 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:59,928 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:59,928 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:59,928 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:59,928 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:24:59,928 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:24:59,929 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:59,929 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:59,929 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-18 12:24:59,929 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:59,929 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:59,930 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:59,930 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:59,930 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:24:59,931 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 12:24:59,931 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 12:24:59,951 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:59,951 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 [2018-11-18 12:24:59,951 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:59,952 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:59,952 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:59,952 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:24:59,953 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 12:24:59,953 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 12:24:59,960 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:59,960 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:59,960 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:59,961 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:59,961 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:59,961 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:59,961 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:24:59,961 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 12:24:59,961 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:59,962 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:59,962 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 [2018-11-18 12:24:59,962 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-18 12:24:59,962 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:24:59,962 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:59,962 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:59,962 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:24:59,963 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 12:24:59,963 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:24:59,963 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:24:59,963 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-18 12:24:59,963 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:24:59,964 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:24:59,964 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:24:59,964 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:24:59,964 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:24:59,964 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:24:59,965 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 12:24:59,965 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 12:25:00,002 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:25:00,002 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:25:00,003 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:25:00,003 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:25:00,003 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:25:00,003 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:25:00,003 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:25:00,004 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-18 12:25:00,004 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-18 12:25:00,013 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:25:00,013 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:25:00,014 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:25:00,014 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:25:00,014 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:25:00,014 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:25:00,014 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:25:00,014 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:25:00,015 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 12:25:00,015 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:25:00,015 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:25:00,015 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:25:00,016 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:25:00,016 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:25:00,016 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:25:00,016 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:25:00,016 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:25:00,016 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-18 12:25:00,016 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-18 12:25:00,016 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:25:00,017 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:25:00,017 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-18 12:25:00,017 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 [2018-11-18 12:25:00,017 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:25:00,017 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 12:25:00,018 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:25:00,018 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:25:00,018 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:25:00,019 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 12:25:00,020 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 12:25:00,134 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:25:00,134 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:25:00,135 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:25:00,135 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 12:25:00,135 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:25:00,135 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:25:00,135 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:25:00,136 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 12:25:00,136 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 12:25:00,158 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:25:00,158 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:25:00,158 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:25:00,159 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 12:25:00,159 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:25:00,159 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:25:00,159 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:25:00,159 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:25:00,159 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:25:00,159 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:25:00,160 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:25:00,160 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:25:00,161 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:25:00,161 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-18 12:25:00,161 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:25:00,161 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:25:00,161 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:25:00,161 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:25:00,162 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:25:00,162 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:25:00,162 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:25:00,162 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-18 12:25:00,163 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:25:00,163 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:25:00,163 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:25:00,163 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:25:00,163 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:25:00,163 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:25:00,167 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 12:25:00,167 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 12:25:00,969 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:25:00,970 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:25:00,970 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:25:00,970 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:25:00,971 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:25:00,971 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:25:00,971 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:25:00,973 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-18 12:25:00,973 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-18 12:25:01,019 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:25:01,020 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:25:01,020 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:25:01,020 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:25:01,020 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:25:01,021 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:25:01,021 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:25:01,021 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:25:01,021 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 12:25:01,021 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:25:01,022 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:25:01,022 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 [2018-11-18 12:25:01,023 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:25:01,023 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:25:01,023 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:25:01,023 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:25:01,023 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:25:01,023 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-18 12:25:01,024 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-18 12:25:01,024 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:25:01,024 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:25:01,024 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-18 12:25:01,025 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:25:01,025 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:25:01,025 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:25:01,025 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:25:01,025 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:25:01,025 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:25:01,026 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 12:25:01,026 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 12:25:01,048 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:25:01,048 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:25:01,049 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:25:01,049 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:25:01,049 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:25:01,049 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:25:01,049 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:25:01,054 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-18 12:25:01,054 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-18 12:25:01,066 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:25:01,067 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:25:01,067 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:25:01,067 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:25:01,067 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:25:01,067 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:25:01,067 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:25:01,068 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:25:01,068 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:25:01,068 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:25:01,069 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:25:01,069 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:25:01,070 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:25:01,070 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-18 12:25:01,070 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:25:01,070 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:25:01,070 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:25:01,070 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-18 12:25:01,070 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-18 12:25:01,071 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:25:01,071 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:25:01,071 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-18 12:25:01,072 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:25:01,072 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:25:01,072 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:25:01,072 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:25:01,072 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:25:01,072 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 12:25:01,074 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-18 12:25:01,075 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-18 12:25:01,413 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:25:01,413 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 [2018-11-18 12:25:01,413 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:25:01,414 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:25:01,414 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:25:01,414 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:25:01,414 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 12:25:01,415 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-18 12:25:01,415 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-18 12:25:01,460 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:25:01,460 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:25:01,460 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:25:01,461 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:25:01,461 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:25:01,461 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:25:01,461 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:25:01,461 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 12:25:01,461 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 12:25:01,461 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:25:01,463 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:25:01,463 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-18 12:25:01,464 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-18 12:25:01,464 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-18 12:25:01,464 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-18 12:25:01,464 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-18 12:25:01,464 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-18 12:25:01,464 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-18 12:25:01,464 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-18 12:25:01,464 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-18 12:25:01,465 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-18 12:25:01,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 12:25:01 BoogieIcfgContainer [2018-11-18 12:25:01,471 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 12:25:01,471 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:25:01,471 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:25:01,471 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:25:01,472 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:24:26" (3/4) ... [2018-11-18 12:25:01,475 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 12:25:01,475 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:25:01,476 INFO L168 Benchmark]: Toolchain (without parser) took 34948.85 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 324.0 MB). Free memory was 959.2 MB in the beginning and 1.3 GB in the end (delta: -298.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:25:01,476 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:25:01,476 INFO L168 Benchmark]: CACSL2BoogieTranslator took 173.70 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:25:01,477 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.33 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:25:01,477 INFO L168 Benchmark]: Boogie Preprocessor took 13.70 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:25:01,477 INFO L168 Benchmark]: RCFGBuilder took 234.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -148.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:25:01,478 INFO L168 Benchmark]: BuchiAutomizer took 34498.96 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 220.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -163.2 MB). Peak memory consumption was 504.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:25:01,478 INFO L168 Benchmark]: Witness Printer took 3.74 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:25:01,481 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 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 173.70 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 948.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.33 ms. Allocated memory is still 1.0 GB. Free memory was 948.5 MB in the beginning and 945.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.70 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 234.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -148.2 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 34498.96 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 220.2 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -163.2 MB). Peak memory consumption was 504.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.74 ms. Allocated memory is still 1.4 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 34.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 34.4s. 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: 340ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 1 LassoNonterminationAnalysisTime: 13.6s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1;" "assume true;" "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := 1 + main_#t~post0;havoc main_#t~post0;main_~y~0 := 2 * main_~y~0;" Loop: "assume true;" "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...