./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/functions_true-unreach-call1_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_59285ea6-6dbf-46d2-9771-fd8df2226518/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_59285ea6-6dbf-46d2-9771-fd8df2226518/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_59285ea6-6dbf-46d2-9771-fd8df2226518/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_59285ea6-6dbf-46d2-9771-fd8df2226518/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/functions_true-unreach-call1_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_59285ea6-6dbf-46d2-9771-fd8df2226518/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_59285ea6-6dbf-46d2-9771-fd8df2226518/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 3c98e46e8bcde2a6f7242e04c6ffae9b0180cfb9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 12:53:13,900 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 12:53:13,901 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 12:53:13,907 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 12:53:13,907 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 12:53:13,907 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 12:53:13,908 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 12:53:13,909 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 12:53:13,910 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 12:53:13,910 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 12:53:13,910 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 12:53:13,911 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 12:53:13,911 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 12:53:13,911 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 12:53:13,912 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 12:53:13,912 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 12:53:13,913 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 12:53:13,914 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 12:53:13,915 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 12:53:13,915 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 12:53:13,916 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 12:53:13,916 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 12:53:13,918 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 12:53:13,918 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 12:53:13,918 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 12:53:13,918 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 12:53:13,919 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 12:53:13,919 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 12:53:13,920 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 12:53:13,920 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 12:53:13,920 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 12:53:13,921 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 12:53:13,921 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 12:53:13,921 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 12:53:13,921 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 12:53:13,922 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 12:53:13,922 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_59285ea6-6dbf-46d2-9771-fd8df2226518/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-08 12:53:13,930 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 12:53:13,930 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 12:53:13,930 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 12:53:13,930 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 12:53:13,931 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 12:53:13,931 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-08 12:53:13,931 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-08 12:53:13,931 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-08 12:53:13,931 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-08 12:53:13,931 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-08 12:53:13,931 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-08 12:53:13,931 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 12:53:13,931 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 12:53:13,931 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-08 12:53:13,931 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 12:53:13,931 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 12:53:13,931 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 12:53:13,932 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-08 12:53:13,932 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-08 12:53:13,932 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-08 12:53:13,932 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 12:53:13,932 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 12:53:13,932 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-08 12:53:13,932 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 12:53:13,932 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-08 12:53:13,932 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 12:53:13,932 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 12:53:13,932 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-08 12:53:13,933 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 12:53:13,933 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 12:53:13,933 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-08 12:53:13,933 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-08 12:53:13,933 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_59285ea6-6dbf-46d2-9771-fd8df2226518/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 -> 3c98e46e8bcde2a6f7242e04c6ffae9b0180cfb9 [2018-12-08 12:53:13,950 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 12:53:13,957 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 12:53:13,959 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 12:53:13,959 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 12:53:13,960 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 12:53:13,960 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_59285ea6-6dbf-46d2-9771-fd8df2226518/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/functions_true-unreach-call1_true-termination.i [2018-12-08 12:53:13,994 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59285ea6-6dbf-46d2-9771-fd8df2226518/bin-2019/uautomizer/data/761f20e93/99ab439e3ffa421e89435a2cefd3a681/FLAGb78bd7136 [2018-12-08 12:53:14,435 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 12:53:14,435 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_59285ea6-6dbf-46d2-9771-fd8df2226518/sv-benchmarks/c/loop-acceleration/functions_true-unreach-call1_true-termination.i [2018-12-08 12:53:14,438 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59285ea6-6dbf-46d2-9771-fd8df2226518/bin-2019/uautomizer/data/761f20e93/99ab439e3ffa421e89435a2cefd3a681/FLAGb78bd7136 [2018-12-08 12:53:14,448 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_59285ea6-6dbf-46d2-9771-fd8df2226518/bin-2019/uautomizer/data/761f20e93/99ab439e3ffa421e89435a2cefd3a681 [2018-12-08 12:53:14,451 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 12:53:14,452 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 12:53:14,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 12:53:14,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 12:53:14,455 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 12:53:14,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:53:14" (1/1) ... [2018-12-08 12:53:14,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2817da2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:53:14, skipping insertion in model container [2018-12-08 12:53:14,457 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 12:53:14" (1/1) ... [2018-12-08 12:53:14,462 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 12:53:14,473 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 12:53:14,558 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:53:14,561 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 12:53:14,571 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 12:53:14,580 INFO L195 MainTranslator]: Completed translation [2018-12-08 12:53:14,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:53:14 WrapperNode [2018-12-08 12:53:14,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 12:53:14,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 12:53:14,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 12:53:14,581 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 12:53:14,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:53:14" (1/1) ... [2018-12-08 12:53:14,588 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:53:14" (1/1) ... [2018-12-08 12:53:14,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 12:53:14,599 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 12:53:14,599 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 12:53:14,599 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 12:53:14,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:53:14" (1/1) ... [2018-12-08 12:53:14,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:53:14" (1/1) ... [2018-12-08 12:53:14,605 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:53:14" (1/1) ... [2018-12-08 12:53:14,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:53:14" (1/1) ... [2018-12-08 12:53:14,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:53:14" (1/1) ... [2018-12-08 12:53:14,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:53:14" (1/1) ... [2018-12-08 12:53:14,637 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:53:14" (1/1) ... [2018-12-08 12:53:14,638 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 12:53:14,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 12:53:14,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 12:53:14,639 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 12:53:14,639 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:53:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59285ea6-6dbf-46d2-9771-fd8df2226518/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 [2018-12-08 12:53:14,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 12:53:14,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 12:53:14,740 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 12:53:14,741 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-12-08 12:53:14,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:53:14 BoogieIcfgContainer [2018-12-08 12:53:14,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 12:53:14,741 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-08 12:53:14,741 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-08 12:53:14,743 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-08 12:53:14,744 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 12:53:14,744 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.12 12:53:14" (1/3) ... [2018-12-08 12:53:14,744 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5956daa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 12:53:14, skipping insertion in model container [2018-12-08 12:53:14,744 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 12:53:14,745 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 12:53:14" (2/3) ... [2018-12-08 12:53:14,745 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5956daa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.12 12:53:14, skipping insertion in model container [2018-12-08 12:53:14,745 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-08 12:53:14,745 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:53:14" (3/3) ... [2018-12-08 12:53:14,746 INFO L375 chiAutomizerObserver]: Analyzing ICFG functions_true-unreach-call1_true-termination.i [2018-12-08 12:53:14,777 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 12:53:14,777 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-08 12:53:14,777 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-08 12:53:14,777 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-08 12:53:14,777 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 12:53:14,778 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 12:53:14,778 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-08 12:53:14,778 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 12:53:14,778 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-08 12:53:14,785 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-12-08 12:53:14,797 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-08 12:53:14,797 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 12:53:14,797 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 12:53:14,800 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-08 12:53:14,801 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-08 12:53:14,801 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-08 12:53:14,801 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-12-08 12:53:14,801 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-12-08 12:53:14,801 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-08 12:53:14,801 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-08 12:53:14,801 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-12-08 12:53:14,802 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-12-08 12:53:14,806 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0; 5#L13-2true [2018-12-08 12:53:14,806 INFO L796 eck$LassoCheckResult]: Loop: 5#L13-2true assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z; 10#L9true main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 5#L13-2true [2018-12-08 12:53:14,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:53:14,810 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-12-08 12:53:14,811 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:53:14,811 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:53:14,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:53:14,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:53:14,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:53:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:53:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:53:14,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:53:14,863 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2018-12-08 12:53:14,863 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:53:14,864 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:53:14,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:53:14,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:53:14,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:53:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:53:14,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:53:14,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:53:14,876 INFO L82 PathProgramCache]: Analyzing trace with hash 31074, now seen corresponding path program 1 times [2018-12-08 12:53:14,876 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:53:14,877 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:53:14,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:53:14,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:53:14,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:53:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:53:14,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:53:14,917 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 12:53:14,917 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 12:53:14,918 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 12:53:14,918 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 12:53:14,918 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 12:53:14,918 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:53:14,918 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 12:53:14,918 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 12:53:14,918 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-12-08 12:53:14,918 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 12:53:14,919 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 12:53:14,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:53:14,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:53:15,033 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 12:53:15,033 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59285ea6-6dbf-46d2-9771-fd8df2226518/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 [2018-12-08 12:53:15,037 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 12:53:15,037 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 12:53:15,043 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 12:53:15,043 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret0=0} Honda state: {ULTIMATE.start_main_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59285ea6-6dbf-46d2-9771-fd8df2226518/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 [2018-12-08 12:53:15,059 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 12:53:15,059 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59285ea6-6dbf-46d2-9771-fd8df2226518/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 [2018-12-08 12:53:15,180 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 12:53:15,180 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 12:53:27,372 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-08 12:53:27,397 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 12:53:27,397 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 12:53:27,397 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 12:53:27,397 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 12:53:27,397 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 12:53:27,397 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:53:27,397 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 12:53:27,398 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 12:53:27,398 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-12-08 12:53:27,398 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 12:53:27,398 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 12:53:27,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:53:27,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:53:27,457 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 12:53:27,460 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 12:53:27,462 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:27,462 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:27,463 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:27,463 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:27,463 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:27,463 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:53:27,465 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 12:53:27,465 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:27,475 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:27,476 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:27,476 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:27,476 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:27,476 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:27,477 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:27,477 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:53:27,477 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 12:53:27,477 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:27,478 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:27,478 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-08 12:53:27,479 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:27,479 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:27,479 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:27,479 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:27,479 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:27,480 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:53:27,481 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:53:27,481 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:27,491 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:27,491 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:27,492 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:27,492 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:27,492 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:27,492 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:27,492 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:53:27,493 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:53:27,493 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:27,493 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:27,494 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-08 12:53:27,494 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:27,494 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:27,494 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:27,494 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:27,494 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:27,494 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:53:27,496 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:53:27,496 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:27,507 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:27,508 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:27,508 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:27,508 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:27,508 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:27,509 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:27,509 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:53:27,509 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:53:27,509 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:27,510 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:27,510 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-08 12:53:27,510 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:27,511 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:27,511 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:27,511 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:27,512 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:27,512 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:53:27,513 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:53:27,513 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:27,526 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:27,526 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:27,527 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:27,527 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:27,527 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:27,527 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:27,527 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:53:27,527 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:53:27,527 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:27,528 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:27,528 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-08 12:53:27,529 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:27,529 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:27,529 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:53:27,529 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:27,529 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:27,530 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:27,530 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:53:27,531 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:53:27,531 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:27,557 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:27,557 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 [2018-12-08 12:53:27,558 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:27,558 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:53:27,558 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:27,558 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:27,558 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:27,558 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:53:27,559 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:53:27,559 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:27,559 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:27,559 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-08 12:53:27,560 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:27,560 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:27,560 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 12:53:27,560 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:27,560 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:27,560 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:27,560 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:53:27,562 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:53:27,563 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:27,599 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:27,600 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 [2018-12-08 12:53:27,600 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:27,600 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 12:53:27,600 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:27,601 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:27,601 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:27,601 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:53:27,601 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:53:27,601 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:27,602 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:27,603 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-08 12:53:27,603 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:27,603 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:27,603 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:53:27,603 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:27,604 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:27,604 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:27,604 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:53:27,606 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:53:27,606 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:27,664 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:27,664 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:27,665 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:27,665 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:53:27,665 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:27,665 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:27,665 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:27,665 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:53:27,666 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:53:27,666 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:27,667 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:27,667 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-08 12:53:27,667 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:27,668 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:27,668 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:53:27,668 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:27,668 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:27,668 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:27,668 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:53:27,669 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:53:27,669 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:27,676 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:27,676 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:27,677 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:27,677 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:53:27,677 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:27,677 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:27,677 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:27,677 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:53:27,678 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:53:27,678 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:27,679 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:27,679 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-08 12:53:27,679 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 [2018-12-08 12:53:27,680 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:27,680 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:53:27,680 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:27,680 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:27,680 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:27,680 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 12:53:27,682 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 12:53:27,682 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:27,698 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:27,699 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:27,699 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:27,699 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:53:27,699 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:27,699 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:27,699 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:27,700 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 12:53:27,700 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 12:53:27,700 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:27,702 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:27,705 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 12:53:27,705 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 12:53:27,705 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 12:53:27,705 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 12:53:27,705 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 12:53:27,705 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:53:27,706 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 12:53:27,706 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 12:53:27,706 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-12-08 12:53:27,706 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 12:53:27,706 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 12:53:27,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:53:27,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:53:27,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:53:27,792 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 12:53:27,792 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59285ea6-6dbf-46d2-9771-fd8df2226518/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 [2018-12-08 12:53:27,794 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 12:53:27,794 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 12:53:27,796 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 12:53:27,796 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret0=0} Honda state: {ULTIMATE.start_main_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59285ea6-6dbf-46d2-9771-fd8df2226518/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 [2018-12-08 12:53:27,813 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 12:53:27,813 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 12:53:27,815 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-12-08 12:53:27,815 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59285ea6-6dbf-46d2-9771-fd8df2226518/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 [2018-12-08 12:53:27,830 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 12:53:27,830 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59285ea6-6dbf-46d2-9771-fd8df2226518/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 [2018-12-08 12:53:27,854 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 12:53:27,854 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 12:53:40,813 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-08 12:53:40,840 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 12:53:40,841 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 12:53:40,841 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 12:53:40,841 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 12:53:40,841 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 12:53:40,841 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:53:40,841 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 12:53:40,841 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 12:53:40,841 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-12-08 12:53:40,841 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 12:53:40,841 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 12:53:40,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:53:40,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:53:40,846 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:53:40,937 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 12:53:40,937 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 12:53:40,938 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:40,938 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:40,938 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:40,938 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:40,939 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:40,939 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:53:40,939 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 12:53:40,939 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:40,939 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:40,940 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 [2018-12-08 12:53:40,940 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:40,940 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:40,940 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:40,940 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:40,940 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:53:40,940 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 12:53:40,940 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:40,941 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:40,941 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:40,942 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:40,942 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:40,942 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:40,942 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:53:40,944 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 12:53:40,944 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 12:53:40,953 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:40,953 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-08 12:53:40,953 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:40,954 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:40,954 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:40,954 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:40,954 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:40,954 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:53:40,955 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:53:40,955 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:40,956 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:40,956 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:40,956 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:40,957 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:40,957 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:40,957 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:40,957 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:53:40,957 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:53:40,958 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:40,958 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:40,958 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:40,959 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:40,959 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:40,959 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:40,959 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:53:40,962 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-08 12:53:40,962 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-08 12:53:40,974 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:40,975 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-08 12:53:40,975 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:40,975 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:40,975 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:40,976 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:40,976 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:40,976 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:53:40,976 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:53:40,976 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:40,977 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:40,977 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:40,977 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:40,978 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:40,978 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:40,978 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:40,978 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:53:40,978 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:53:40,979 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:40,979 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:40,979 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:40,980 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:40,980 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:40,980 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:40,980 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:53:40,983 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 12:53:40,983 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 12:53:40,998 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:40,998 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-08 12:53:40,998 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:40,999 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:40,999 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:40,999 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:40,999 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:40,999 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:53:41,000 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:53:41,000 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:41,000 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:41,001 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:41,001 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:41,001 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:41,001 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:41,001 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:41,001 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:53:41,002 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:53:41,002 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:41,002 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:41,003 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:41,003 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:41,003 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:41,003 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:41,003 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:53:41,007 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-08 12:53:41,007 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-08 12:53:41,025 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:41,025 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-08 12:53:41,025 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:41,026 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:41,026 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:53:41,026 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:41,026 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:41,026 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:41,027 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:53:41,027 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:53:41,027 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:41,028 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:41,028 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:41,029 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:41,029 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:53:41,029 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:41,029 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:41,029 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:41,029 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:53:41,030 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:53:41,030 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:41,030 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:41,031 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:41,031 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:41,031 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:53:41,031 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:41,032 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:41,032 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:53:41,034 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-08 12:53:41,034 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-08 12:53:41,068 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:41,068 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-08 12:53:41,068 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:41,069 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:41,069 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 12:53:41,069 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:41,069 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:41,069 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:41,069 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:53:41,070 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:53:41,070 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:41,071 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:41,071 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:41,072 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:41,072 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 12:53:41,072 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:41,072 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:41,072 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:41,072 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:53:41,073 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:53:41,073 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:41,074 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:41,074 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:41,074 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:41,074 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 12:53:41,075 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:41,075 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:41,075 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:53:41,078 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 12:53:41,078 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 12:53:41,137 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:41,137 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-08 12:53:41,137 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:41,138 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:41,138 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:53:41,138 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:41,138 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:41,138 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:41,138 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:53:41,139 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:53:41,139 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:41,139 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:41,139 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:41,140 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:41,140 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:53:41,140 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:41,140 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:41,140 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:41,140 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:53:41,141 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:53:41,141 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:41,141 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:41,142 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:41,142 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:41,142 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:53:41,142 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:41,142 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:41,142 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:53:41,145 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-08 12:53:41,145 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-08 12:53:41,261 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:41,262 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-08 12:53:41,262 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:41,262 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:41,263 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:53:41,263 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:41,263 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:41,263 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:41,263 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:53:41,263 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:53:41,263 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:41,264 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:41,265 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:41,265 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:41,265 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:53:41,265 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:41,265 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:41,265 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:41,266 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:53:41,266 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:53:41,266 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:41,267 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:41,267 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:41,268 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:41,268 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:53:41,268 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:41,268 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:41,268 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:53:41,270 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 12:53:41,270 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 12:53:41,291 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:41,291 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-08 12:53:41,292 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:41,292 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:41,292 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:53:41,292 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:41,292 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:41,292 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:41,293 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 12:53:41,293 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 12:53:41,293 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:41,294 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:41,294 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:41,295 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:41,295 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:53:41,295 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:41,295 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:41,295 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:41,295 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 12:53:41,295 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 12:53:41,295 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:41,296 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:41,297 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:41,297 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:41,297 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:53:41,297 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:41,298 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:41,298 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 12:53:41,300 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-12-08 12:53:41,300 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-08 12:53:41,340 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:41,340 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-12-08 12:53:41,341 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0; 5#L13-2true assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z; 10#L9true main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 5#L13-2true [2018-12-08 12:53:41,341 INFO L796 eck$LassoCheckResult]: Loop: 5#L13-2true assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z; 10#L9true main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 5#L13-2true [2018-12-08 12:53:41,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:53:41,341 INFO L82 PathProgramCache]: Analyzing trace with hash 31074, now seen corresponding path program 2 times [2018-12-08 12:53:41,341 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:53:41,341 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:53:41,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:53:41,342 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 12:53:41,342 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:53:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:53:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:53:41,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:53:41,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 2 times [2018-12-08 12:53:41,346 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:53:41,346 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:53:41,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:53:41,347 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 12:53:41,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:53:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:53:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:53:41,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 12:53:41,350 INFO L82 PathProgramCache]: Analyzing trace with hash 29862436, now seen corresponding path program 3 times [2018-12-08 12:53:41,350 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 12:53:41,350 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 12:53:41,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:53:41,351 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-08 12:53:41,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 12:53:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:53:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 12:53:41,382 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 12:53:41,382 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 12:53:41,382 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 12:53:41,382 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 12:53:41,382 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 12:53:41,382 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:53:41,382 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 12:53:41,382 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 12:53:41,382 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-12-08 12:53:41,383 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 12:53:41,383 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 12:53:41,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:53:41,391 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:53:41,443 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 12:53:41,443 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59285ea6-6dbf-46d2-9771-fd8df2226518/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:53:41,445 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 12:53:41,445 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59285ea6-6dbf-46d2-9771-fd8df2226518/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 [2018-12-08 12:53:41,576 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 12:53:41,577 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 12:53:54,458 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-08 12:53:54,485 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 12:53:54,486 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 12:53:54,486 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 12:53:54,486 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 12:53:54,486 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 12:53:54,486 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:53:54,486 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 12:53:54,486 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 12:53:54,486 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-12-08 12:53:54,486 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 12:53:54,486 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 12:53:54,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:53:54,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:53:54,549 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 12:53:54,549 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 12:53:54,550 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:54,550 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:54,550 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:54,550 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:54,550 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:54,550 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:53:54,551 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 12:53:54,551 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:54,552 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:54,552 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:54,552 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:54,552 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:54,552 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:54,553 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:54,553 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:53:54,553 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 12:53:54,553 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:54,555 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:54,556 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-08 12:53:54,556 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:54,556 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:54,556 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:54,556 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:54,557 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:54,557 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:53:54,557 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:53:54,557 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:54,558 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:54,558 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:54,558 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:54,558 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:54,558 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:54,558 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:54,559 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:53:54,559 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:53:54,559 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:54,562 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:54,562 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-08 12:53:54,562 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 [2018-12-08 12:53:54,563 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:54,563 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:54,563 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:54,563 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:54,563 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:53:54,563 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:53:54,563 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:54,564 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:54,564 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:54,564 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:54,565 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:54,565 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:54,565 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:54,565 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:53:54,566 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:53:54,566 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:54,569 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:54,569 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-08 12:53:54,570 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:54,570 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:54,570 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:54,570 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:54,570 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:54,570 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:53:54,571 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:53:54,571 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:54,571 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:54,571 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 [2018-12-08 12:53:54,572 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:53:54,572 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:54,572 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:54,572 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:54,572 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:53:54,573 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:53:54,573 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:54,577 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:54,577 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-08 12:53:54,578 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 [2018-12-08 12:53:54,578 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:54,578 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:53:54,578 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:54,578 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:54,578 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:54,578 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:53:54,579 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:53:54,579 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:54,579 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:54,580 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:54,580 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:54,580 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:53:54,580 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:54,580 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:54,580 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:54,581 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:53:54,581 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:53:54,582 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:54,591 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:54,591 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-08 12:53:54,591 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:54,592 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:54,592 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 12:53:54,592 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:54,592 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:54,592 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:54,592 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:53:54,593 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:53:54,593 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:54,594 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:54,594 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:54,595 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:54,595 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 12:53:54,595 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:54,595 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:54,595 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:54,595 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:53:54,597 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:53:54,597 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:54,613 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:54,613 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-08 12:53:54,613 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:54,614 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:54,614 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:53:54,614 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:54,614 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:54,614 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:54,614 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:53:54,614 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:53:54,615 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:54,615 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:54,615 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:54,615 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:54,615 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:53:54,615 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:54,616 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:54,616 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:54,616 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:53:54,617 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:53:54,617 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:54,641 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:54,641 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-08 12:53:54,641 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:54,642 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:54,642 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:53:54,642 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:54,642 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:54,642 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:54,642 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:53:54,642 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:53:54,642 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:54,643 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:54,643 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:54,644 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:54,644 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:53:54,644 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:54,644 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:54,644 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:54,644 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:53:54,644 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:53:54,645 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:54,649 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:54,649 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-08 12:53:54,649 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 [2018-12-08 12:53:54,649 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:54,649 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:53:54,649 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:54,649 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:54,649 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:54,649 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 12:53:54,650 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 12:53:54,650 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:54,651 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:54,651 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:53:54,651 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:53:54,652 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:53:54,652 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:53:54,652 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:53:54,652 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:53:54,652 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 12:53:54,653 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 12:53:54,653 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:53:54,661 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:53:54,680 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 12:53:54,680 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 12:53:54,680 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 12:53:54,680 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 12:53:54,680 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-12-08 12:53:54,680 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:53:54,681 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 12:53:54,681 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 12:53:54,681 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-12-08 12:53:54,681 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 12:53:54,681 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 12:53:54,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:53:54,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:53:54,703 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:53:54,774 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 12:53:54,774 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59285ea6-6dbf-46d2-9771-fd8df2226518/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 [2018-12-08 12:53:54,777 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-12-08 12:53:54,777 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59285ea6-6dbf-46d2-9771-fd8df2226518/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 [2018-12-08 12:53:54,814 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-12-08 12:53:54,814 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-12-08 12:54:08,172 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-12-08 12:54:08,199 INFO L216 LassoAnalysis]: Preferences: [2018-12-08 12:54:08,199 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-12-08 12:54:08,199 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-12-08 12:54:08,199 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-12-08 12:54:08,200 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-12-08 12:54:08,200 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-12-08 12:54:08,200 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-12-08 12:54:08,200 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-12-08 12:54:08,200 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-12-08 12:54:08,200 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-12-08 12:54:08,200 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-12-08 12:54:08,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:54:08,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:54:08,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-12-08 12:54:08,304 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-12-08 12:54:08,304 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-12-08 12:54:08,304 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:54:08,305 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:54:08,305 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:54:08,305 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:08,305 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:08,305 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:54:08,305 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 12:54:08,306 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:54:08,306 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:08,306 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:54:08,306 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:54:08,306 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:08,306 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:08,306 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:54:08,307 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 12:54:08,307 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-12-08 12:54:08,318 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:08,319 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 [2018-12-08 12:54:08,319 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:54:08,319 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:54:08,319 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:08,319 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:08,319 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-12-08 12:54:08,319 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-12-08 12:54:08,320 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:54:08,320 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:08,320 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-12-08 12:54:08,320 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:54:08,321 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:54:08,321 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:54:08,321 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:08,321 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:08,321 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:54:08,321 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:54:08,321 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:54:08,321 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:08,322 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:54:08,322 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:54:08,322 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:08,322 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:08,322 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:54:08,324 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-08 12:54:08,324 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-08 12:54:08,338 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:08,338 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:54:08,339 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:54:08,339 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:54:08,339 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:08,339 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:08,339 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:54:08,339 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:54:08,339 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:54:08,340 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:08,340 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-12-08 12:54:08,340 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:54:08,340 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:54:08,341 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:54:08,341 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:08,341 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:08,341 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:54:08,341 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:54:08,341 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:54:08,341 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:08,342 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:54:08,342 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:54:08,342 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:08,342 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:08,342 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:54:08,344 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 12:54:08,344 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 12:54:08,364 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:08,365 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:54:08,365 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:54:08,365 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:54:08,365 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:08,366 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:08,366 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:54:08,366 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:54:08,366 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:54:08,366 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:08,367 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-12-08 12:54:08,367 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:54:08,367 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:54:08,367 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:54:08,367 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:08,367 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:08,367 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:54:08,368 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:54:08,368 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:54:08,368 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:08,368 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:54:08,369 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:54:08,369 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:08,369 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:08,369 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:54:08,371 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-08 12:54:08,371 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-08 12:54:08,396 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:08,397 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:54:08,397 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-12-08 12:54:08,397 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:54:08,397 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:08,397 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:08,397 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:54:08,398 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:54:08,398 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:54:08,398 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:08,398 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-12-08 12:54:08,398 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:54:08,399 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:54:08,399 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:54:08,399 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:54:08,399 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:08,399 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:08,399 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:54:08,399 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:54:08,400 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:54:08,400 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:08,400 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:54:08,400 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:54:08,401 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:54:08,401 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:08,401 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:08,401 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:54:08,402 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-12-08 12:54:08,403 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-12-08 12:54:08,481 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:08,481 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:54:08,481 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:54:08,482 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:54:08,482 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:54:08,482 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:08,482 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:08,482 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-12-08 12:54:08,482 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-12-08 12:54:08,482 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:54:08,483 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:08,483 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-12-08 12:54:08,483 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:54:08,484 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:54:08,484 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 12:54:08,484 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:54:08,484 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:08,484 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:08,484 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:54:08,485 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:54:08,485 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:54:08,486 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:08,486 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:54:08,486 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:54:08,486 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 12:54:08,487 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:08,487 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:08,487 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:54:08,490 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 12:54:08,490 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 12:54:08,746 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:08,746 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:54:08,746 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:54:08,747 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-12-08 12:54:08,747 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:54:08,747 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:08,747 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:08,747 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:54:08,747 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:54:08,747 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:54:08,748 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:08,748 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-12-08 12:54:08,748 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:54:08,749 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:54:08,749 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:54:08,749 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:54:08,749 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:08,749 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:08,749 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:54:08,750 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:54:08,750 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:54:08,750 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:08,751 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:54:08,751 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:54:08,751 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:54:08,751 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:08,751 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:08,751 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:54:08,755 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-12-08 12:54:08,755 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-12-08 12:54:09,301 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:09,301 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:54:09,302 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:54:09,302 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:54:09,302 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:54:09,302 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:09,302 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:09,302 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-12-08 12:54:09,303 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-12-08 12:54:09,303 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:54:09,303 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:09,304 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-12-08 12:54:09,304 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:54:09,304 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:54:09,304 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:54:09,304 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:54:09,304 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:09,304 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:09,305 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:54:09,305 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:54:09,305 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:54:09,306 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:09,306 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:54:09,306 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:54:09,306 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:54:09,306 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:09,306 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:09,306 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:54:09,309 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-12-08 12:54:09,309 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-12-08 12:54:09,358 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:09,358 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 [2018-12-08 12:54:09,358 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:54:09,358 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-12-08 12:54:09,358 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:54:09,358 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:09,359 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:09,359 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-12-08 12:54:09,359 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-12-08 12:54:09,359 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:54:09,360 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:09,360 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-12-08 12:54:09,360 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:54:09,361 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:54:09,361 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:54:09,361 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:54:09,361 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:09,361 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:09,361 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 12:54:09,361 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 12:54:09,361 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:54:09,362 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:09,363 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:54:09,363 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:54:09,363 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:54:09,363 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:09,363 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:09,363 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 12:54:09,367 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-12-08 12:54:09,367 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-12-08 12:54:09,526 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:09,527 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-12-08 12:54:09,527 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-12-08 12:54:09,527 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-12-08 12:54:09,527 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-12-08 12:54:09,527 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-12-08 12:54:09,528 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-12-08 12:54:09,528 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-12-08 12:54:09,528 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-12-08 12:54:09,528 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-12-08 12:54:09,530 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-12-08 12:54:09,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.12 12:54:09 BoogieIcfgContainer [2018-12-08 12:54:09,534 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-08 12:54:09,534 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 12:54:09,534 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 12:54:09,535 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 12:54:09,535 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 12:53:14" (3/4) ... [2018-12-08 12:54:09,538 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 12:54:09,538 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 12:54:09,538 INFO L168 Benchmark]: Toolchain (without parser) took 55087.16 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 380.6 MB). Free memory was 957.1 MB in the beginning and 1.3 GB in the end (delta: -337.5 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. [2018-12-08 12:54:09,539 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:54:09,540 INFO L168 Benchmark]: CACSL2BoogieTranslator took 128.46 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 945.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-08 12:54:09,540 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.52 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:54:09,540 INFO L168 Benchmark]: Boogie Preprocessor took 39.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -143.8 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-08 12:54:09,541 INFO L168 Benchmark]: RCFGBuilder took 102.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-12-08 12:54:09,541 INFO L168 Benchmark]: BuchiAutomizer took 54792.90 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 286.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -220.7 MB). Peak memory consumption was 486.3 MB. Max. memory is 11.5 GB. [2018-12-08 12:54:09,542 INFO L168 Benchmark]: Witness Printer took 3.28 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 12:54:09,544 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 128.46 ms. Allocated memory is still 1.0 GB. Free memory was 957.1 MB in the beginning and 945.3 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.52 ms. Allocated memory is still 1.0 GB. Free memory is still 945.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 94.4 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -143.8 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 102.64 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 15.2 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 54792.90 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 286.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -220.7 MB). Peak memory consumption was 486.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.28 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 54.7s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 54.7s. 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: inital28 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div248 bol100 ite100 ukn100 eq163 hnf60 smp95 dnf100 smp100 tf101 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 163ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 26.4s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0;" "assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z;" "main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0;" Loop: "assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z;" "main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...