./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call2_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call2_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2797de73b923a7fbf0f091cb97be1331c2699e2c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 06:06:04,872 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 06:06:04,873 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 06:06:04,883 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 06:06:04,883 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 06:06:04,884 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 06:06:04,885 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 06:06:04,886 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 06:06:04,888 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 06:06:04,889 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 06:06:04,889 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 06:06:04,889 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 06:06:04,890 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 06:06:04,891 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 06:06:04,892 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 06:06:04,893 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 06:06:04,893 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 06:06:04,894 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 06:06:04,896 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 06:06:04,897 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 06:06:04,898 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 06:06:04,899 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 06:06:04,901 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 06:06:04,901 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 06:06:04,901 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 06:06:04,902 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 06:06:04,902 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 06:06:04,903 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 06:06:04,904 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 06:06:04,905 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 06:06:04,905 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 06:06:04,905 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 06:06:04,905 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 06:06:04,906 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 06:06:04,906 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 06:06:04,907 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 06:06:04,908 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-10-27 06:06:04,924 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 06:06:04,924 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 06:06:04,925 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 06:06:04,925 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 06:06:04,925 INFO L133 SettingsManager]: * Use SBE=true [2018-10-27 06:06:04,925 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-10-27 06:06:04,925 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-10-27 06:06:04,926 INFO L133 SettingsManager]: * Use old map elimination=false [2018-10-27 06:06:04,926 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-10-27 06:06:04,926 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-10-27 06:06:04,926 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-10-27 06:06:04,926 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 06:06:04,926 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 06:06:04,926 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 06:06:04,926 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 06:06:04,927 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 06:06:04,927 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 06:06:04,927 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-10-27 06:06:04,927 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-10-27 06:06:04,928 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-10-27 06:06:04,928 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 06:06:04,928 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 06:06:04,928 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-10-27 06:06:04,929 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-10-27 06:06:04,929 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 06:06:04,929 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 06:06:04,929 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-10-27 06:06:04,929 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 06:06:04,929 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-27 06:06:04,929 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-10-27 06:06:04,930 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-10-27 06:06:04,930 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_86e38ed6-a7f3-4326-859a-5189b8d4a053/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2797de73b923a7fbf0f091cb97be1331c2699e2c [2018-10-27 06:06:04,956 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 06:06:04,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 06:06:04,969 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 06:06:04,970 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 06:06:04,970 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 06:06:04,971 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call2_true-termination.i [2018-10-27 06:06:05,014 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/bin-2019/uautomizer/data/1e60b743e/30cc12101ebf42478aa3c70bc287945d/FLAG1610cc19c [2018-10-27 06:06:05,402 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 06:06:05,404 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/sv-benchmarks/c/loop-acceleration/underapprox_true-unreach-call2_true-termination.i [2018-10-27 06:06:05,413 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/bin-2019/uautomizer/data/1e60b743e/30cc12101ebf42478aa3c70bc287945d/FLAG1610cc19c [2018-10-27 06:06:05,426 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/bin-2019/uautomizer/data/1e60b743e/30cc12101ebf42478aa3c70bc287945d [2018-10-27 06:06:05,431 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 06:06:05,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 06:06:05,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 06:06:05,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 06:06:05,440 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 06:06:05,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:06:05" (1/1) ... [2018-10-27 06:06:05,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ccde937 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:05, skipping insertion in model container [2018-10-27 06:06:05,445 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 06:06:05" (1/1) ... [2018-10-27 06:06:05,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 06:06:05,469 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 06:06:05,578 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:06:05,581 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 06:06:05,591 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 06:06:05,600 INFO L193 MainTranslator]: Completed translation [2018-10-27 06:06:05,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:05 WrapperNode [2018-10-27 06:06:05,600 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 06:06:05,601 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 06:06:05,601 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 06:06:05,601 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 06:06:05,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:05" (1/1) ... [2018-10-27 06:06:05,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:05" (1/1) ... [2018-10-27 06:06:05,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 06:06:05,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 06:06:05,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 06:06:05,627 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 06:06:05,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:05" (1/1) ... [2018-10-27 06:06:05,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:05" (1/1) ... [2018-10-27 06:06:05,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:05" (1/1) ... [2018-10-27 06:06:05,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:05" (1/1) ... [2018-10-27 06:06:05,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:05" (1/1) ... [2018-10-27 06:06:05,639 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:05" (1/1) ... [2018-10-27 06:06:05,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:05" (1/1) ... [2018-10-27 06:06:05,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 06:06:05,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 06:06:05,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 06:06:05,641 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 06:06:05,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/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 [2018-10-27 06:06:05,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 06:06:05,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 06:06:05,967 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 06:06:05,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:05 BoogieIcfgContainer [2018-10-27 06:06:05,968 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 06:06:05,968 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-10-27 06:06:05,969 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-10-27 06:06:05,978 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-10-27 06:06:05,979 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:05,979 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 27.10 06:06:05" (1/3) ... [2018-10-27 06:06:05,980 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66d00745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:06:05, skipping insertion in model container [2018-10-27 06:06:05,980 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:05,980 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 06:06:05" (2/3) ... [2018-10-27 06:06:05,980 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@66d00745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 27.10 06:06:05, skipping insertion in model container [2018-10-27 06:06:05,980 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-10-27 06:06:05,983 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:05" (3/3) ... [2018-10-27 06:06:05,985 INFO L375 chiAutomizerObserver]: Analyzing ICFG underapprox_true-unreach-call2_true-termination.i [2018-10-27 06:06:06,046 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 06:06:06,046 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-10-27 06:06:06,046 INFO L375 BuchiCegarLoop]: Hoare is false [2018-10-27 06:06:06,046 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-10-27 06:06:06,047 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 06:06:06,047 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 06:06:06,047 INFO L379 BuchiCegarLoop]: Difference is false [2018-10-27 06:06:06,047 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 06:06:06,048 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-10-27 06:06:06,063 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-10-27 06:06:06,083 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-10-27 06:06:06,087 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:06,088 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:06,094 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-10-27 06:06:06,094 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-10-27 06:06:06,094 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-10-27 06:06:06,094 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2018-10-27 06:06:06,095 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-10-27 06:06:06,096 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-10-27 06:06:06,096 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-10-27 06:06:06,096 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-10-27 06:06:06,097 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-10-27 06:06:06,103 INFO L793 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-3true [2018-10-27 06:06:06,104 INFO L795 eck$LassoCheckResult]: Loop: 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := main_#t~post0 + 1;havoc main_#t~post0;main_~y~0 := main_~y~0 * 2; 9#L11-3true [2018-10-27 06:06:06,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:06,109 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-10-27 06:06:06,111 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:06,112 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:06,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:06,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:06,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:06,191 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:06,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 1 times [2018-10-27 06:06:06,191 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:06,191 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:06,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:06,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:06,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:06,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:06,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:06,207 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 1 times [2018-10-27 06:06:06,207 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:06,208 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:06,208 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:06,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:06,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:06,379 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:06,381 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:06,381 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:06,381 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:06,381 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:06:06,381 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:06,381 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:06,381 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:06,381 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-10-27 06:06:06,382 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:06,382 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:06,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:06,662 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:06,663 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/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 [2018-10-27 06:06:06,667 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:06,667 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:06,693 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:06:06,693 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/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 [2018-10-27 06:06:06,711 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:06,711 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:06,715 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:06:06,715 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/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 [2018-10-27 06:06:06,732 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:06,732 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/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 [2018-10-27 06:06:06,754 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:06:06,754 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:13,155 INFO L450 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2018-10-27 06:06:13,159 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:13,159 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:13,159 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:13,159 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:13,159 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:06:13,159 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:13,160 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:13,160 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:13,160 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-10-27 06:06:13,160 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:13,160 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:13,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:13,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:13,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:13,507 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:13,511 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:06:13,512 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:13,513 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:13,513 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,515 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,515 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,515 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:13,517 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:13,517 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,521 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:13,521 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:13,522 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:13,522 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,522 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,522 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,522 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:13,523 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:13,523 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,525 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:13,525 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:13,526 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:13,526 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,526 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,526 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,527 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:13,529 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:13,529 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,542 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:13,543 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-10-27 06:06:13,544 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:13,544 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:13,545 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,545 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,545 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,545 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:13,546 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:13,546 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,547 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:13,548 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:13,549 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:13,549 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,549 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,549 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,550 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:13,550 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:13,550 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,552 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:13,553 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:13,553 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:13,553 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,553 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,554 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,554 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:13,555 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:13,557 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,567 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:13,567 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-10-27 06:06:13,568 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:13,568 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:13,568 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,569 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,569 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,569 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:13,570 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:13,570 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,571 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:13,572 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:13,573 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:13,573 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,573 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,573 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,574 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:13,574 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:13,575 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,576 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:13,577 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:13,579 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:13,579 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,579 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,579 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,579 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:13,581 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:13,581 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,592 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:13,592 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-10-27 06:06:13,593 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:13,593 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:13,593 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,594 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,594 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,594 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:13,595 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:13,595 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,596 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:13,596 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:13,597 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:13,597 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,597 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,597 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,597 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:13,598 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:13,598 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,600 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:13,600 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:13,601 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:13,601 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,601 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,601 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,601 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:13,602 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:13,602 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,628 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:13,628 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-10-27 06:06:13,630 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:13,631 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:13,631 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:13,631 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,632 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,632 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,632 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:13,633 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:13,633 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,634 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:13,635 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 [2018-10-27 06:06:13,635 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:13,636 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:13,636 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,636 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,636 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,636 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:13,638 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:13,638 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,642 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:13,642 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:13,643 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:13,643 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:13,643 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,643 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,643 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,644 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:13,645 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:13,645 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,672 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:13,672 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-10-27 06:06:13,673 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:13,674 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:13,674 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:06:13,674 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,674 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,674 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,675 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:13,676 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:13,676 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,679 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:13,679 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:13,680 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:13,680 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:06:13,680 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,680 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,681 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,681 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:13,684 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:13,684 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,690 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:13,691 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:13,691 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:13,691 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:06:13,692 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,692 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,692 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,692 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:13,694 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:13,694 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,774 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:13,774 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-10-27 06:06:13,774 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:13,775 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:13,775 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:13,775 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,775 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,776 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,776 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:13,778 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:13,778 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,779 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:13,780 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:13,780 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:13,781 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:13,781 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,781 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,781 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,781 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:13,789 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:13,789 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,798 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:13,799 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:13,799 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:13,800 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:13,800 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,800 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,800 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,800 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:13,807 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:13,811 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,879 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:13,883 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-10-27 06:06:13,884 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:13,885 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:13,885 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:13,885 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,885 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,885 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,885 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:13,886 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:13,886 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,891 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:13,892 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:13,892 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:13,892 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:13,893 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,893 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,893 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,893 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:13,894 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:13,894 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,908 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:13,909 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:13,911 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:13,911 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:13,911 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,912 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,912 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,912 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:13,913 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:13,913 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,921 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:13,922 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-10-27 06:06:13,922 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:13,923 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:13,923 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:13,923 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,923 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,923 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,924 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:06:13,924 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:13,925 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,929 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:13,929 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 [2018-10-27 06:06:13,930 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:13,930 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:13,930 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,930 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,930 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,931 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:06:13,932 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:13,933 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,943 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:13,944 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:13,944 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:13,944 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:13,944 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:13,945 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:13,945 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:13,945 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:06:13,946 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:13,946 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:13,957 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:14,032 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:14,032 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:14,032 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:14,032 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:14,032 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:06:14,033 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:14,033 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:14,033 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:14,033 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-10-27 06:06:14,033 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:14,033 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:14,035 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:14,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:14,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:14,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:14,238 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:14,238 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/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 [2018-10-27 06:06:14,251 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:14,251 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:14,254 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:06:14,254 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/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 [2018-10-27 06:06:14,272 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:14,272 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/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 [2018-10-27 06:06:14,292 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:06:14,292 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:14,325 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:06:14,325 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=1} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=5}, {ULTIMATE.start_main_~y~0=2}, {ULTIMATE.start_main_~y~0=-6}] Lambdas: [2, 5, 2] Nus: [0, 1] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/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) [2018-10-27 06:06:14,356 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:14,356 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:14,361 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:06:14,361 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/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 [2018-10-27 06:06:14,379 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:14,379 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/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 [2018-10-27 06:06:14,418 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:06:14,418 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:26,466 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-10-27 06:06:26,470 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:26,470 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:26,470 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:26,470 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:26,470 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:06:26,470 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:26,470 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:26,470 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:26,470 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-10-27 06:06:26,471 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:26,471 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:26,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:26,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:26,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:26,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:26,545 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:26,545 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:06:26,546 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:26,546 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:26,546 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:26,547 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:26,547 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:26,548 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:26,549 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:26,557 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:26,557 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:26,558 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:26,558 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:26,558 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:26,558 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:26,559 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:26,561 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:26,561 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:26,562 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:26,562 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:26,563 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:26,563 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:26,563 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:26,563 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:26,564 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:26,564 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:26,573 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:26,573 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:26,574 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:26,574 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:26,574 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:26,574 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:26,574 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:26,574 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:26,574 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:26,575 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:26,577 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-10-27 06:06:26,578 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:26,578 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:26,578 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:26,578 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:26,578 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:26,580 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:06:26,580 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:06:26,597 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:26,597 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:26,598 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:26,598 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:26,598 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:26,598 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:26,598 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:26,599 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:26,599 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:26,602 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:26,602 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:26,602 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:26,603 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:26,603 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:26,603 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:26,604 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:06:26,604 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:06:26,616 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:26,616 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:26,617 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:26,617 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:26,617 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:26,617 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:26,617 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:26,617 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:26,618 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:26,618 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:26,618 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-10-27 06:06:26,619 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:26,619 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:26,623 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:26,623 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:26,623 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:26,625 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:06:26,625 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:06:26,649 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:26,649 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:26,649 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:26,650 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:26,650 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:26,650 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:26,650 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:26,650 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:26,650 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:26,651 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:26,654 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:26,654 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:26,655 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:26,655 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:26,655 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:26,659 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:06:26,659 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:06:26,669 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:26,669 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:26,670 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:26,670 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:26,670 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:26,670 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:26,670 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:26,671 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:26,671 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:26,674 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:26,674 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-10-27 06:06:26,674 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:26,675 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:26,675 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:26,675 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:26,675 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:26,677 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:06:26,678 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:06:26,713 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:26,714 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:26,714 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:26,714 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:26,714 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:26,715 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:26,715 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:26,715 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:26,715 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:26,716 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:26,716 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 [2018-10-27 06:06:26,716 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:26,717 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:26,717 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:26,717 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:26,719 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:06:26,719 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:06:26,735 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:26,736 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 [2018-10-27 06:06:26,737 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:26,737 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:26,737 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:26,737 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:26,737 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:26,738 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:26,738 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:26,738 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:26,739 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-10-27 06:06:26,739 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:26,739 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:26,739 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:26,740 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:26,740 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:26,740 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:26,741 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:06:26,741 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:06:26,821 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:26,822 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 [2018-10-27 06:06:26,822 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:26,822 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:26,823 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:26,823 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:26,823 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:26,823 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:26,826 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:26,826 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:26,827 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:26,827 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:26,827 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:26,828 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:26,828 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:26,828 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:26,828 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:26,829 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:06:26,830 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:06:26,847 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:26,848 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:26,848 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:26,849 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:26,849 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:26,849 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:26,849 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:26,849 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:26,849 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:26,850 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:26,850 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:26,850 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-10-27 06:06:26,851 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 [2018-10-27 06:06:26,855 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:26,856 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:06:26,856 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:26,856 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:26,856 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:26,858 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:06:26,859 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:06:27,255 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:27,255 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:27,256 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:27,256 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:06:27,256 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:27,258 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:27,259 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:27,259 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:27,259 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:27,259 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:27,260 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:27,261 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:27,261 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:27,261 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:06:27,261 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:27,261 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:27,261 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:27,267 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:06:27,272 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:06:27,294 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:27,295 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:27,297 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:27,297 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:06:27,297 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:27,297 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:27,297 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:27,297 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:27,298 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:27,298 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:27,299 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:27,299 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-10-27 06:06:27,300 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:27,300 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:27,300 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:27,300 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:27,300 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:27,301 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:27,309 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:06:27,309 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:06:28,570 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:28,571 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:28,571 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:28,571 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:28,572 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:28,572 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:28,572 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:28,572 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:28,573 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:28,573 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:28,573 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:28,574 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:28,574 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:28,574 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:28,574 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:28,574 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:28,574 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:28,583 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:06:28,583 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:06:28,615 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:28,616 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:28,616 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:28,616 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:28,617 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:28,617 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:28,617 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:28,617 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:28,620 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:28,621 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:28,621 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:28,621 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-10-27 06:06:28,621 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:28,622 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:28,622 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:28,622 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:28,622 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:28,622 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:28,627 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:06:28,627 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:06:28,655 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:28,655 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:28,657 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:28,657 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:28,658 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:28,658 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:28,658 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:28,658 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:28,659 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:28,659 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:28,660 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:28,660 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:28,660 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:28,660 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:28,661 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:28,661 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:28,661 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:28,662 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:06:28,662 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:06:28,679 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:28,680 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:28,683 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:28,683 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:28,683 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:28,683 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:28,683 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:28,683 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:28,684 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:28,684 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:28,685 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:28,685 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-10-27 06:06:28,685 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:28,685 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:28,686 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:28,686 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:28,686 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:28,686 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:06:28,693 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-10-27 06:06:28,694 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-10-27 06:06:29,012 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:29,013 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 [2018-10-27 06:06:29,014 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:29,014 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:29,014 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:29,014 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:29,014 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:29,014 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:06:29,015 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:29,015 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:29,016 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:29,016 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:29,017 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:29,017 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:29,017 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:29,017 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:29,020 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:06:29,022 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-10-27 06:06:29,022 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-10-27 06:06:29,052 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:29,052 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 [2018-10-27 06:06:29,054 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:29,054 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:29,055 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:29,055 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:29,055 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:29,055 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:06:29,055 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:29,055 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:29,057 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:29,058 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-10-27 06:06:29,058 INFO L793 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 3#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1; 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := main_#t~post0 + 1;havoc main_#t~post0;main_~y~0 := main_~y~0 * 2; 9#L11-3true [2018-10-27 06:06:29,058 INFO L795 eck$LassoCheckResult]: Loop: 9#L11-3true assume true; 4#L11-1true assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := main_#t~post0 + 1;havoc main_#t~post0;main_~y~0 := main_~y~0 * 2; 9#L11-3true [2018-10-27 06:06:29,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:29,058 INFO L82 PathProgramCache]: Analyzing trace with hash 925641, now seen corresponding path program 2 times [2018-10-27 06:06:29,059 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:29,059 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:29,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:29,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 06:06:29,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:29,076 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:29,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1159, now seen corresponding path program 2 times [2018-10-27 06:06:29,087 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:29,087 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:29,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:29,088 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 06:06:29,088 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:29,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 06:06:29,093 INFO L82 PathProgramCache]: Analyzing trace with hash 889541199, now seen corresponding path program 3 times [2018-10-27 06:06:29,093 INFO L225 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-27 06:06:29,093 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-27 06:06:29,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:29,094 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-10-27 06:06:29,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 06:06:29,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 06:06:29,216 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-27 06:06:29,320 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:29,320 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:29,320 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:29,320 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:29,320 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:06:29,321 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:29,321 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:29,321 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:29,321 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-10-27 06:06:29,321 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:29,321 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:29,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:29,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:29,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:29,960 WARN L179 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2018-10-27 06:06:30,255 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-27 06:06:30,256 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:30,256 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/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 [2018-10-27 06:06:30,261 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:30,261 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:30,284 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:06:30,284 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/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) [2018-10-27 06:06:30,315 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:30,315 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:30,335 INFO L443 LassoAnalysis]: Proved nontermination for one component. [2018-10-27 06:06:30,336 INFO L446 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post0=0} Honda state: {ULTIMATE.start_main_#t~post0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/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) [2018-10-27 06:06:30,365 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:30,365 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/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) [2018-10-27 06:06:30,416 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:06:30,416 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:42,466 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-10-27 06:06:42,469 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:42,469 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:42,469 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:42,469 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:42,470 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:06:42,470 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:42,470 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:42,470 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:42,470 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Loop [2018-10-27 06:06:42,470 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:42,470 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:42,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:42,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:42,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:42,812 WARN L179 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2018-10-27 06:06:42,928 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:42,928 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:06:42,928 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 [2018-10-27 06:06:42,929 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:42,929 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:42,929 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:42,929 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:42,929 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:42,929 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:42,929 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:42,930 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:42,930 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:42,930 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:42,931 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:42,931 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:42,931 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:42,931 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:42,939 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:42,939 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:42,940 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:42,940 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:42,941 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:42,941 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:42,941 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:42,941 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:42,941 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:42,941 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:42,942 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:42,943 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:42,947 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-10-27 06:06:42,948 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:42,948 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:42,948 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:42,948 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:42,948 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:42,948 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:42,949 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:42,949 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:42,949 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:42,949 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:42,950 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:42,950 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:42,950 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:42,950 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:42,950 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:42,950 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:42,950 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:42,951 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:42,959 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:42,959 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:42,959 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:42,959 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:42,959 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:42,960 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:42,962 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:42,963 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:42,964 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:42,965 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-10-27 06:06:42,965 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:42,965 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:42,965 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:42,965 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:42,966 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:42,966 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:42,966 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:42,966 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:42,966 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:42,967 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:42,967 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:42,967 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:42,967 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:42,967 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:42,967 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:42,967 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:42,968 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:42,968 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:42,968 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:42,969 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:42,969 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:42,969 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:42,969 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:42,969 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:42,969 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:42,969 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:42,983 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:42,983 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-10-27 06:06:42,984 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:42,984 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:42,984 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:42,984 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:42,984 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:42,984 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:42,985 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:42,985 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:42,985 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:42,985 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 [2018-10-27 06:06:42,986 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:42,986 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:42,986 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:42,986 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:42,986 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:42,986 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:42,986 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:42,987 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:42,987 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:42,987 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:42,988 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:42,988 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:42,988 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:42,988 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:42,988 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:42,988 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:42,991 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:43,002 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-10-27 06:06:43,002 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 [2018-10-27 06:06:43,003 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:43,003 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:43,003 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:43,003 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:43,003 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:43,003 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:43,004 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:43,004 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:43,004 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:43,005 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:43,005 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:43,005 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:43,005 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:43,005 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:43,005 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:43,005 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:43,006 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:43,006 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:43,007 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:43,007 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:43,007 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:43,007 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:43,007 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:43,008 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:43,008 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:43,008 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:43,008 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:43,008 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:43,013 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:43,013 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-10-27 06:06:43,014 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:43,014 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:43,014 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:06:43,014 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:43,014 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:43,014 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:43,015 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:43,027 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:43,027 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:43,029 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:43,029 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:43,029 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:43,030 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:06:43,030 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:43,030 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:43,030 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:43,030 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:43,031 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:43,031 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:43,033 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:43,034 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:43,034 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:43,034 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:06:43,034 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:43,034 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:43,034 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:43,034 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:43,035 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:43,035 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:43,054 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:43,054 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-10-27 06:06:43,055 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:43,055 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:43,055 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:43,055 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:43,055 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:43,056 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:43,056 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:43,057 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:43,057 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:43,057 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:43,057 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:43,058 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:43,058 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:43,058 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:43,058 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:43,058 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:43,058 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:43,061 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:43,061 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:43,062 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:43,063 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:43,074 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:43,074 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:43,075 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:43,075 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:43,075 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:43,075 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:43,076 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:43,076 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:43,093 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:43,093 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-10-27 06:06:43,093 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:43,094 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:43,094 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:43,094 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:43,094 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:43,094 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:43,094 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:43,095 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:43,095 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:43,100 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:43,101 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:43,101 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:43,101 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:43,101 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:43,101 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:43,101 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:43,101 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:43,102 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:43,102 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:43,109 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:43,109 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:43,109 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:43,110 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:43,110 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:43,110 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:43,110 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:43,110 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:43,110 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:43,111 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:43,118 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:43,119 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-10-27 06:06:43,119 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:43,119 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:43,119 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:43,119 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:43,120 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:43,120 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:43,120 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:06:43,120 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:43,120 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:43,122 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:43,123 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:43,123 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:43,129 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:43,130 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:43,130 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:43,130 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:43,130 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:06:43,131 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:43,131 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:43,137 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:43,138 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:43,138 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:43,138 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:43,138 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:43,138 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:43,138 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:43,138 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:06:43,143 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:43,144 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:43,151 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:43,365 WARN L179 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 14 [2018-10-27 06:06:43,377 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:43,377 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:43,377 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:43,377 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:43,377 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-10-27 06:06:43,377 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:43,377 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:43,377 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:43,377 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-10-27 06:06:43,378 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:43,378 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:43,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:43,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:43,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:43,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:43,847 WARN L179 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2018-10-27 06:06:43,946 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:43,946 INFO L410 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/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 [2018-10-27 06:06:43,950 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-10-27 06:06:43,950 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86e38ed6-a7f3-4326-859a-5189b8d4a053/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 [2018-10-27 06:06:43,985 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-10-27 06:06:43,986 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-10-27 06:06:56,041 INFO L448 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-10-27 06:06:56,044 INFO L214 LassoAnalysis]: Preferences: [2018-10-27 06:06:56,044 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-10-27 06:06:56,044 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-10-27 06:06:56,044 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-10-27 06:06:56,044 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-10-27 06:06:56,044 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-10-27 06:06:56,044 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-10-27 06:06:56,044 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-10-27 06:06:56,044 INFO L131 ssoRankerPreferences]: Filename of dumped script: underapprox_true-unreach-call2_true-termination.i_Iteration1_Lasso [2018-10-27 06:06:56,044 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-10-27 06:06:56,044 INFO L280 LassoAnalysis]: Starting lasso preprocessing... [2018-10-27 06:06:56,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:56,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:56,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:56,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-10-27 06:06:56,186 INFO L298 LassoAnalysis]: Preprocessing complete. [2018-10-27 06:06:56,186 INFO L496 LassoAnalysis]: Using template 'affine'. [2018-10-27 06:06:56,186 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:56,186 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:56,187 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,187 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,187 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:56,188 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:56,188 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:56,197 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:56,197 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:56,197 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:56,197 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:56,198 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,198 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,198 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:56,198 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:56,198 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:56,198 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:56,199 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:56,199 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:56,206 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,206 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,206 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:56,207 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:56,207 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-10-27 06:06:56,212 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:56,212 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 [2018-10-27 06:06:56,213 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:56,213 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:56,213 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,213 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,213 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-10-27 06:06:56,213 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-10-27 06:06:56,213 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:56,214 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:56,214 INFO L496 LassoAnalysis]: Using template '2-nested'. [2018-10-27 06:06:56,214 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:56,214 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:56,214 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,215 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,215 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:56,224 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:06:56,224 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:06:56,230 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:56,230 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:56,230 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:56,230 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:56,231 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,231 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,231 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:56,236 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:56,236 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:56,236 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:56,237 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:56,237 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:56,237 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,237 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,237 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:56,238 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:06:56,238 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:06:56,250 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:56,250 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:56,251 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:56,251 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:56,251 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,251 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,251 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:56,255 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:56,255 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:56,255 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:56,256 INFO L496 LassoAnalysis]: Using template '3-nested'. [2018-10-27 06:06:56,256 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:56,256 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:56,256 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,256 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,256 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:56,257 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:06:56,258 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:06:56,269 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:56,270 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:56,270 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:56,270 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:56,270 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,270 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,271 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:56,271 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:56,271 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:56,276 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:56,277 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:56,277 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:56,277 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,277 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,277 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:56,278 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:06:56,279 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:06:56,295 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:56,296 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:56,296 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:56,296 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:56,296 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,296 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,297 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:56,297 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:56,297 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:56,297 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:56,297 INFO L496 LassoAnalysis]: Using template '4-nested'. [2018-10-27 06:06:56,298 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:56,298 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:56,298 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,298 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,298 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:56,308 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:06:56,308 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:06:56,318 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:56,319 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:56,321 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:56,322 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:56,322 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,322 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,322 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:56,322 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:56,322 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:56,323 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:56,323 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:56,323 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:56,324 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,324 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,324 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:56,325 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:06:56,325 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:06:56,358 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:56,358 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:56,359 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-10-27 06:06:56,359 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:56,359 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,359 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,359 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:56,360 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:56,360 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:56,360 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:56,360 INFO L496 LassoAnalysis]: Using template '2-phase'. [2018-10-27 06:06:56,361 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:56,361 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:56,361 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:56,369 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,369 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,369 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:56,370 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:06:56,370 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:06:56,390 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:56,390 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:56,391 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:56,391 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:56,391 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:56,395 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,395 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,395 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:56,395 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:56,395 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:56,396 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:56,396 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:56,396 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:56,396 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:56,397 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,397 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,397 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:56,398 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-10-27 06:06:56,398 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-10-27 06:06:56,446 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:56,446 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:56,446 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:56,446 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:56,446 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:56,447 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,447 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,447 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-10-27 06:06:56,451 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-10-27 06:06:56,451 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:56,452 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:56,452 INFO L496 LassoAnalysis]: Using template '3-phase'. [2018-10-27 06:06:56,452 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:56,452 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:56,453 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:06:56,453 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,453 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,453 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:56,454 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:06:56,454 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:06:56,487 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:56,488 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:56,488 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:56,488 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:06:56,488 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:56,488 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,489 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,489 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:56,489 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:56,489 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:56,490 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:56,490 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:56,491 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:56,491 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:06:56,491 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,491 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,500 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:56,502 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:06:56,502 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:06:56,770 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:56,771 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:56,774 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:56,774 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-10-27 06:06:56,774 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:56,774 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,774 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,775 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:56,775 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:56,776 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:56,776 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:56,776 INFO L496 LassoAnalysis]: Using template '4-phase'. [2018-10-27 06:06:56,777 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:56,777 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:56,777 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:56,784 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,784 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,784 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:56,787 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:06:56,787 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:06:56,848 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:56,848 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:56,852 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:56,852 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:56,852 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:56,852 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,852 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,852 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:56,853 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:56,853 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:56,854 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:56,854 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:56,854 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:56,854 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:56,854 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:56,854 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:56,854 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:56,865 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-10-27 06:06:56,865 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-10-27 06:06:57,647 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:57,649 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:57,650 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:57,650 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:57,650 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:57,650 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:57,650 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:57,650 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-10-27 06:06:57,651 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-10-27 06:06:57,651 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:57,651 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:57,651 INFO L496 LassoAnalysis]: Using template '2-lex'. [2018-10-27 06:06:57,652 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:57,659 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:57,660 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:57,660 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:57,660 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:57,660 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:57,661 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:06:57,661 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:06:57,683 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:57,685 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:57,689 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:57,689 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:57,689 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:57,689 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:57,689 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:57,689 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:57,689 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:57,690 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:57,691 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:57,691 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:57,691 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:57,691 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:57,691 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:57,691 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:57,691 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:57,701 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-10-27 06:06:57,701 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-10-27 06:06:57,722 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:57,723 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:57,724 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:57,724 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-10-27 06:06:57,724 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:57,724 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:57,724 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:57,724 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-10-27 06:06:57,724 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-10-27 06:06:57,725 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:57,725 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:57,725 INFO L496 LassoAnalysis]: Using template '3-lex'. [2018-10-27 06:06:57,726 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 [2018-10-27 06:06:57,726 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:57,726 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:57,726 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:57,726 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:57,726 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:06:57,739 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-10-27 06:06:57,739 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-10-27 06:06:57,787 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:57,788 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:57,788 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:57,788 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:57,788 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:57,789 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:57,789 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:57,789 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:06:57,789 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:57,789 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:57,796 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:57,797 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:57,797 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:57,797 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:57,797 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:57,798 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:57,798 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:06:57,805 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-10-27 06:06:57,805 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-10-27 06:06:58,038 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:58,040 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-10-27 06:06:58,040 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-10-27 06:06:58,041 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-10-27 06:06:58,041 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-10-27 06:06:58,041 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-10-27 06:06:58,041 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-10-27 06:06:58,041 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-10-27 06:06:58,042 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-10-27 06:06:58,042 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-10-27 06:06:58,049 INFO L529 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-10-27 06:06:58,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 27.10 06:06:58 BoogieIcfgContainer [2018-10-27 06:06:58,079 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-10-27 06:06:58,080 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 06:06:58,080 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 06:06:58,081 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 06:06:58,081 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 06:06:05" (3/4) ... [2018-10-27 06:06:58,084 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 06:06:58,084 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 06:06:58,085 INFO L168 Benchmark]: Toolchain (without parser) took 52652.65 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 431.0 MB). Free memory was 954.4 MB in the beginning and 1.4 GB in the end (delta: -465.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:06:58,085 INFO L168 Benchmark]: CDTParser took 1.70 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:06:58,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 166.76 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:58,086 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.52 ms. Allocated memory is still 1.0 GB. Free memory is still 943.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:06:58,086 INFO L168 Benchmark]: Boogie Preprocessor took 14.67 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:58,087 INFO L168 Benchmark]: RCFGBuilder took 326.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.2 MB). Free memory was 941.0 MB in the beginning and 1.2 GB in the end (delta: -234.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:58,093 INFO L168 Benchmark]: BuchiAutomizer took 52110.38 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 243.8 MB). Free memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: -245.2 MB). Peak memory consumption was 576.2 MB. Max. memory is 11.5 GB. [2018-10-27 06:06:58,094 INFO L168 Benchmark]: Witness Printer took 3.87 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 06:06:58,096 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.70 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 166.76 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.52 ms. Allocated memory is still 1.0 GB. Free memory is still 943.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.67 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 326.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.2 MB). Free memory was 941.0 MB in the beginning and 1.2 GB in the end (delta: -234.0 MB). Peak memory consumption was 21.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 52110.38 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 243.8 MB). Free memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: -245.2 MB). Peak memory consumption was 576.2 MB. Max. memory is 11.5 GB. * Witness Printer took 3.87 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 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 52.0s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 51.9s. 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: 61ms VariablesStem: 1 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 24.2s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~post0, main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 1;" "assume true;" "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := main_#t~post0 + 1;havoc main_#t~post0;main_~y~0 := main_~y~0 * 2;" Loop: "assume true;" "assume !!(main_~x~0 % 4294967296 < 6);main_#t~post0 := main_~x~0;main_~x~0 := main_#t~post0 + 1;havoc main_#t~post0;main_~y~0 := main_~y~0 * 2;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...