./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 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2a33df06-4509-4495-9b6b-ddcfad4b0701/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2a33df06-4509-4495-9b6b-ddcfad4b0701/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2a33df06-4509-4495-9b6b-ddcfad4b0701/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2a33df06-4509-4495-9b6b-ddcfad4b0701/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_2a33df06-4509-4495-9b6b-ddcfad4b0701/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2a33df06-4509-4495-9b6b-ddcfad4b0701/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 0.1.23-0cd3be1 [2018-11-28 11:51:37,416 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:51:37,418 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:51:37,426 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:51:37,427 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:51:37,427 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:51:37,428 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:51:37,430 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:51:37,431 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:51:37,431 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:51:37,432 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:51:37,432 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:51:37,433 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:51:37,433 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:51:37,434 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:51:37,435 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:51:37,435 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:51:37,437 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:51:37,438 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:51:37,439 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:51:37,440 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:51:37,441 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:51:37,442 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:51:37,443 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:51:37,443 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:51:37,443 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:51:37,444 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:51:37,445 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:51:37,445 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:51:37,446 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:51:37,446 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:51:37,447 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:51:37,447 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:51:37,447 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:51:37,448 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:51:37,448 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:51:37,448 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2a33df06-4509-4495-9b6b-ddcfad4b0701/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 11:51:37,460 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:51:37,460 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:51:37,461 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:51:37,461 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:51:37,461 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:51:37,462 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 11:51:37,462 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 11:51:37,462 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 11:51:37,462 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 11:51:37,462 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 11:51:37,462 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 11:51:37,462 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:51:37,462 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:51:37,463 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:51:37,463 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:51:37,463 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:51:37,463 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:51:37,463 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 11:51:37,463 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 11:51:37,463 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 11:51:37,463 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:51:37,464 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:51:37,464 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 11:51:37,464 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:51:37,464 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 11:51:37,464 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:51:37,464 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:51:37,464 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 11:51:37,464 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:51:37,464 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:51:37,464 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 11:51:37,465 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 11:51:37,465 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_2a33df06-4509-4495-9b6b-ddcfad4b0701/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 [2018-11-28 11:51:37,487 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:51:37,496 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:51:37,499 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:51:37,500 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:51:37,500 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:51:37,501 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2a33df06-4509-4495-9b6b-ddcfad4b0701/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/functions_true-unreach-call1_true-termination.i [2018-11-28 11:51:37,535 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2a33df06-4509-4495-9b6b-ddcfad4b0701/bin-2019/uautomizer/data/0b1960b04/47d758556be645ddaea84d828c1df3a9/FLAGfc9d5387b [2018-11-28 11:51:37,923 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:51:37,924 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2a33df06-4509-4495-9b6b-ddcfad4b0701/sv-benchmarks/c/loop-acceleration/functions_true-unreach-call1_true-termination.i [2018-11-28 11:51:37,927 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2a33df06-4509-4495-9b6b-ddcfad4b0701/bin-2019/uautomizer/data/0b1960b04/47d758556be645ddaea84d828c1df3a9/FLAGfc9d5387b [2018-11-28 11:51:37,937 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2a33df06-4509-4495-9b6b-ddcfad4b0701/bin-2019/uautomizer/data/0b1960b04/47d758556be645ddaea84d828c1df3a9 [2018-11-28 11:51:37,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:51:37,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:51:37,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:51:37,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:51:37,943 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:51:37,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:51:37" (1/1) ... [2018-11-28 11:51:37,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29cc7d06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:37, skipping insertion in model container [2018-11-28 11:51:37,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:51:37" (1/1) ... [2018-11-28 11:51:37,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:51:37,964 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:51:38,067 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:51:38,070 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:51:38,078 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:51:38,086 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:51:38,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:38 WrapperNode [2018-11-28 11:51:38,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:51:38,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:51:38,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:51:38,087 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:51:38,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:38" (1/1) ... [2018-11-28 11:51:38,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:38" (1/1) ... [2018-11-28 11:51:38,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:51:38,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:51:38,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:51:38,105 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:51:38,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:38" (1/1) ... [2018-11-28 11:51:38,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:38" (1/1) ... [2018-11-28 11:51:38,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:38" (1/1) ... [2018-11-28 11:51:38,111 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:38" (1/1) ... [2018-11-28 11:51:38,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:38" (1/1) ... [2018-11-28 11:51:38,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:38" (1/1) ... [2018-11-28 11:51:38,149 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:38" (1/1) ... [2018-11-28 11:51:38,150 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:51:38,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:51:38,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:51:38,150 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:51:38,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a33df06-4509-4495-9b6b-ddcfad4b0701/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:51:38,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:51:38,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:51:38,267 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:51:38,267 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-11-28 11:51:38,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:51:38 BoogieIcfgContainer [2018-11-28 11:51:38,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:51:38,268 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 11:51:38,268 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 11:51:38,270 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 11:51:38,271 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:51:38,271 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:51:37" (1/3) ... [2018-11-28 11:51:38,271 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e867d49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:51:38, skipping insertion in model container [2018-11-28 11:51:38,272 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:51:38,272 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:51:38" (2/3) ... [2018-11-28 11:51:38,272 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e867d49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:51:38, skipping insertion in model container [2018-11-28 11:51:38,272 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:51:38,272 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:51:38" (3/3) ... [2018-11-28 11:51:38,273 INFO L375 chiAutomizerObserver]: Analyzing ICFG functions_true-unreach-call1_true-termination.i [2018-11-28 11:51:38,305 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:51:38,305 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 11:51:38,306 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 11:51:38,306 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 11:51:38,306 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:51:38,306 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:51:38,306 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 11:51:38,306 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:51:38,306 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 11:51:38,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-11-28 11:51:38,326 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 11:51:38,326 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:51:38,326 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:51:38,331 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 11:51:38,331 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 11:51:38,331 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 11:51:38,332 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-11-28 11:51:38,332 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-28 11:51:38,332 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:51:38,333 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:51:38,333 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 11:51:38,333 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-28 11:51:38,339 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0; 5#L13-2true [2018-11-28 11:51:38,339 INFO L796 eck$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 [2018-11-28 11:51:38,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:51:38,344 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 11:51:38,345 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:51:38,346 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:51:38,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:51:38,378 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:51:38,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:51:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:51:38,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:51:38,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:51:38,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2018-11-28 11:51:38,406 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:51:38,406 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:51:38,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:51:38,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:51:38,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:51:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:51:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:51:38,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:51:38,421 INFO L82 PathProgramCache]: Analyzing trace with hash 31074, now seen corresponding path program 1 times [2018-11-28 11:51:38,421 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:51:38,421 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:51:38,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:51:38,422 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:51:38,422 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:51:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:51:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:51:38,488 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:51:38,489 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:51:38,489 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:51:38,489 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:51:38,489 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 11:51:38,489 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:51:38,489 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:51:38,489 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:51:38,489 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-28 11:51:38,489 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:51:38,490 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:51:38,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:51:38,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:51:38,681 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:51:38,682 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a33df06-4509-4495-9b6b-ddcfad4b0701/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:51:38,685 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:51:38,686 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:51:38,690 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:51:38,691 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_2a33df06-4509-4495-9b6b-ddcfad4b0701/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:51:38,706 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:51:38,706 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a33df06-4509-4495-9b6b-ddcfad4b0701/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:51:38,829 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 11:51:38,829 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:51:51,013 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 11:51:51,038 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:51:51,038 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:51:51,038 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:51:51,039 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:51:51,039 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:51:51,039 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:51:51,039 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:51:51,039 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:51:51,039 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-28 11:51:51,039 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:51:51,039 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:51:51,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:51:51,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:51:51,189 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:51:51,194 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:51:51,196 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:51:51,197 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:51:51,197 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:51:51,198 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:51:51,198 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:51:51,199 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:51:51,201 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:51:51,202 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:51:51,215 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:51:51,216 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:51:51,216 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:51:51,216 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:51:51,217 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:51:51,217 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:51:51,217 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:51:51,217 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:51:51,218 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:51:51,219 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:51:51,219 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 11:51:51,220 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:51:51,220 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:51:51,220 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:51:51,221 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:51:51,221 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:51:51,222 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:51:51,224 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:51:51,224 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:51:51,239 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:51:51,240 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:51:51,240 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:51:51,241 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:51:51,241 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:51:51,241 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:51:51,241 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:51:51,242 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:51:51,242 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:51:51,244 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:51:51,244 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 11:51:51,245 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:51:51,246 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:51:51,246 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:51:51,246 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:51:51,246 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:51:51,247 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:51:51,249 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:51:51,249 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:51:51,267 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:51:51,267 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 [2018-11-28 11:51:51,268 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:51:51,268 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:51:51,268 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:51:51,268 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:51:51,268 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:51:51,269 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:51:51,269 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:51:51,270 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:51:51,270 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 11:51:51,270 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:51:51,271 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:51:51,272 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:51:51,272 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:51:51,272 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:51:51,272 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:51:51,274 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:51:51,275 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:51:51,291 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:51:51,291 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:51:51,292 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:51:51,292 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:51:51,292 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:51:51,292 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:51:51,293 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:51:51,293 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:51:51,294 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:51:51,296 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:51:51,296 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 11:51:51,296 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:51:51,297 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:51:51,297 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:51:51,297 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:51:51,297 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:51:51,297 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:51:51,297 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:51:51,300 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:51:51,300 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:51:51,338 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:51:51,339 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:51:51,339 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:51:51,339 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:51:51,340 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:51:51,340 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:51:51,340 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:51:51,340 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:51:51,341 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:51:51,341 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:51:51,342 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:51:51,342 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 11:51:51,344 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:51:51,344 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:51:51,345 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:51:51,345 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:51:51,345 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:51:51,345 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:51:51,345 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:51:51,349 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:51:51,349 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:51:51,402 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:51:51,402 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:51:51,403 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:51:51,403 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:51:51,403 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:51:51,403 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:51:51,403 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:51:51,403 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:51:51,405 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:51:51,406 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:51:51,407 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:51:51,407 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 11:51:51,408 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:51:51,408 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:51:51,408 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:51:51,408 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:51:51,409 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:51:51,409 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:51:51,409 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:51:51,414 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:51:51,414 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:51:51,486 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:51:51,486 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 [2018-11-28 11:51:51,487 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:51:51,487 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:51:51,487 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:51:51,487 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:51:51,488 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:51:51,488 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:51:51,489 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:51:51,489 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:51:51,490 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:51:51,490 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 11:51:51,491 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 [2018-11-28 11:51:51,491 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:51:51,491 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:51:51,491 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:51:51,492 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:51:51,492 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:51:51,492 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:51:51,493 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:51:51,494 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:51:51,502 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:51:51,503 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:51:51,503 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:51:51,503 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:51:51,503 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:51:51,504 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:51:51,504 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:51:51,504 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:51:51,504 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:51:51,504 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:51:51,506 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:51:51,506 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 11:51:51,507 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:51:51,507 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:51:51,507 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:51:51,508 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:51:51,508 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:51:51,508 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:51:51,508 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:51:51,513 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:51:51,513 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:51:51,533 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:51:51,534 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:51:51,534 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:51:51,534 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:51:51,534 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:51:51,535 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:51:51,535 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:51:51,535 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:51:51,536 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:51:51,536 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:51:51,537 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:51:51,562 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:51:51,562 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:51:51,563 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:51:51,563 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:51:51,563 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 11:51:51,563 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:51:51,563 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:51:51,563 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:51:51,563 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-28 11:51:51,563 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:51:51,563 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:51:51,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:51:51,567 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:51:51,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:51:51,648 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:51:51,648 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a33df06-4509-4495-9b6b-ddcfad4b0701/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:51:51,651 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:51:51,651 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:51:51,654 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:51:51,655 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_2a33df06-4509-4495-9b6b-ddcfad4b0701/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:51:51,679 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:51:51,679 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:51:51,681 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 11:51:51,682 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_2a33df06-4509-4495-9b6b-ddcfad4b0701/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:51:51,704 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:51:51,704 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a33df06-4509-4495-9b6b-ddcfad4b0701/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:51:51,743 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 11:51:51,744 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:52:04,400 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 11:52:04,426 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:52:04,426 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:52:04,426 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:52:04,426 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:52:04,426 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:52:04,426 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:52:04,426 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:52:04,426 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:52:04,426 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-28 11:52:04,426 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:52:04,427 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:52:04,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:52:04,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:52:04,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:52:04,521 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:52:04,521 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:52:04,521 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:04,522 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:04,522 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:04,522 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,522 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,522 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:52:04,522 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:52:04,523 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:04,523 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:04,523 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:04,524 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:04,524 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:04,524 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,524 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,524 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:52:04,524 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:52:04,524 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:04,525 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:04,525 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:04,525 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:04,526 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,526 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,526 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:52:04,528 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:52:04,528 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 11:52:04,534 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:04,534 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 11:52:04,534 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:04,534 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:04,535 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:04,535 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,535 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,535 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:52:04,535 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:52:04,535 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:04,536 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:04,536 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:04,536 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:04,537 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:04,537 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,537 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,537 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:52:04,537 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:52:04,537 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:04,538 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:04,538 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:04,541 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:04,541 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,541 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,541 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:52:04,543 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 11:52:04,543 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 11:52:04,552 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:04,553 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 11:52:04,553 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:04,553 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:04,553 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:04,554 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,554 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,554 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:52:04,554 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:52:04,554 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:04,555 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:04,555 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:04,555 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:04,556 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:04,556 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,556 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,556 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:52:04,556 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:52:04,556 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:04,557 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:04,557 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 [2018-11-28 11:52:04,558 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:04,558 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,558 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,558 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:52:04,561 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 11:52:04,561 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 11:52:04,572 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:04,572 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 11:52:04,573 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:04,573 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:04,573 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:04,573 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,573 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,574 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:52:04,574 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:52:04,574 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:04,575 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:04,575 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:04,575 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:04,575 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:04,576 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,576 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,576 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:52:04,576 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:52:04,576 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:04,577 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:04,577 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:04,578 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:04,578 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,578 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,578 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:52:04,582 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 11:52:04,582 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 11:52:04,599 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:04,599 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 11:52:04,600 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 [2018-11-28 11:52:04,600 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:04,600 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:52:04,600 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:04,600 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,600 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,601 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:52:04,601 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:52:04,601 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:04,602 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:04,602 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:04,605 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:04,606 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:52:04,606 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:04,606 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,606 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,606 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:52:04,606 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:52:04,607 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:04,607 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:04,607 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:04,608 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:04,608 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:52:04,608 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,608 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,608 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:52:04,612 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 11:52:04,612 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 11:52:04,640 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:04,640 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 11:52:04,640 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:04,641 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:04,641 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:52:04,641 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:04,641 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,641 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,641 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:52:04,642 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:52:04,642 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:04,642 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:04,643 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 [2018-11-28 11:52:04,643 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:04,643 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:52:04,643 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:04,643 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,643 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,644 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:52:04,644 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:52:04,644 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:04,645 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:04,645 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:04,646 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:04,646 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:52:04,646 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,646 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,646 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:52:04,649 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 11:52:04,649 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 11:52:04,716 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:04,716 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 11:52:04,717 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:04,717 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:04,717 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:52:04,718 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:04,718 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,718 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,718 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:52:04,719 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:52:04,719 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:04,719 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:04,720 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:04,720 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:04,720 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:52:04,720 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:04,721 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,721 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,721 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:52:04,722 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:52:04,722 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:04,722 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:04,723 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:04,723 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:04,723 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:52:04,724 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,724 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,724 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:52:04,729 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 11:52:04,729 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 11:52:04,884 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:04,884 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 11:52:04,885 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:04,885 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:04,885 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:52:04,885 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:04,885 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,885 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,885 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:52:04,886 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:52:04,886 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:04,887 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:04,887 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:04,888 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:04,888 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:52:04,889 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:04,889 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,889 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,889 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:52:04,889 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:52:04,889 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:04,890 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:04,890 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:04,891 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:04,891 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:52:04,891 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,891 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,891 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:52:04,893 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 11:52:04,893 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 11:52:04,920 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:04,920 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 11:52:04,921 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:04,921 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:04,921 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:52:04,921 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:04,921 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,921 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,921 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:52:04,922 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:52:04,922 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:04,923 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:04,923 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:04,924 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:04,924 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:52:04,924 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:04,924 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,924 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,924 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:52:04,925 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:52:04,925 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:04,926 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:04,927 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:04,927 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:04,927 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:52:04,928 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:04,928 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:04,928 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:52:04,931 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 11:52:04,932 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 11:52:05,014 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:05,015 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-28 11:52:05,015 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0; 5#L13-2true assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z; 10#L9true main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 5#L13-2true [2018-11-28 11:52:05,015 INFO L796 eck$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 [2018-11-28 11:52:05,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:52:05,016 INFO L82 PathProgramCache]: Analyzing trace with hash 31074, now seen corresponding path program 2 times [2018-11-28 11:52:05,016 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:52:05,016 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:52:05,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:52:05,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:52:05,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:52:05,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:52:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:52:05,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:52:05,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 2 times [2018-11-28 11:52:05,022 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:52:05,022 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:52:05,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:52:05,023 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:52:05,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:52:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:52:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:52:05,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:52:05,028 INFO L82 PathProgramCache]: Analyzing trace with hash 29862436, now seen corresponding path program 3 times [2018-11-28 11:52:05,028 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:52:05,028 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:52:05,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:52:05,028 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:52:05,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:52:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:52:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:52:05,068 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:52:05,068 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:52:05,068 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:52:05,068 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:52:05,069 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 11:52:05,069 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:52:05,069 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:52:05,069 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:52:05,069 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-28 11:52:05,069 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:52:05,069 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:52:05,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:52:05,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:52:05,172 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:52:05,172 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a33df06-4509-4495-9b6b-ddcfad4b0701/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:52:05,179 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:52:05,179 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a33df06-4509-4495-9b6b-ddcfad4b0701/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:52:05,370 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 11:52:05,370 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:52:18,155 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 11:52:18,180 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:52:18,181 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:52:18,181 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:52:18,181 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:52:18,181 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:52:18,181 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:52:18,181 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:52:18,181 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:52:18,181 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-28 11:52:18,181 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:52:18,181 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:52:18,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:52:18,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:52:18,240 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:52:18,241 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:52:18,241 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:18,241 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:18,241 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:18,242 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:18,242 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:18,242 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:52:18,242 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:52:18,242 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:18,243 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:18,243 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:18,243 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:18,243 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:18,244 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:18,244 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:18,244 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:52:18,244 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:52:18,244 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:18,249 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:18,249 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 11:52:18,249 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:18,250 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:18,250 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:18,250 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:18,250 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:18,250 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:52:18,250 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:52:18,250 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:18,251 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:18,251 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:18,251 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:18,251 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:18,251 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:18,251 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:18,252 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:52:18,252 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:52:18,252 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:18,255 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:18,255 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 11:52:18,255 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:18,255 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:18,255 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:18,256 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:18,256 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:18,256 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:52:18,256 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:52:18,256 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:18,256 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:18,257 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:18,257 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:18,257 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:18,257 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:18,257 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:18,257 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:52:18,258 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:52:18,258 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:18,261 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:18,262 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 11:52:18,262 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 [2018-11-28 11:52:18,262 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:18,262 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:18,262 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:18,263 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:18,263 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:52:18,263 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:52:18,263 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:18,263 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:18,264 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:18,264 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:18,264 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:18,264 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:18,264 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:18,264 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:52:18,265 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:52:18,265 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:18,269 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:18,270 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 11:52:18,270 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:18,270 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:18,270 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:52:18,270 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:18,271 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:18,271 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:18,271 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:52:18,271 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:52:18,271 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:18,272 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:18,272 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:18,272 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:18,272 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:52:18,272 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:18,272 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:18,272 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:18,273 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:52:18,273 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:52:18,274 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:18,281 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:18,281 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 11:52:18,281 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:18,282 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:18,282 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:52:18,282 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:18,282 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:18,282 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:18,282 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:52:18,283 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:52:18,283 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:18,284 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:18,284 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:18,284 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:18,284 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:52:18,284 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:18,285 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:18,285 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:18,285 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:52:18,286 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:52:18,286 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:18,301 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:18,301 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 11:52:18,301 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 [2018-11-28 11:52:18,302 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:18,302 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:52:18,302 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:18,302 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:18,302 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:18,302 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:52:18,303 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:52:18,303 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:18,304 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:18,304 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:18,305 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:18,305 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:52:18,305 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:18,305 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:18,305 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:18,305 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:52:18,308 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:52:18,308 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:18,333 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:18,334 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 11:52:18,334 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:18,334 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:18,334 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:52:18,334 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:18,335 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:18,335 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:18,335 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:52:18,335 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:52:18,335 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:18,336 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:18,336 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:18,337 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:18,337 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:52:18,337 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:18,337 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:18,337 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:18,337 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:52:18,338 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:52:18,338 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:18,345 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:18,345 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 11:52:18,345 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:18,346 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:18,346 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:52:18,346 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:18,346 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:18,346 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:18,346 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:52:18,347 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:52:18,347 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:18,349 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:18,349 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:18,349 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:18,349 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:52:18,349 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:18,350 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:18,350 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:18,350 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:52:18,351 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:52:18,352 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:18,365 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:18,407 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:52:18,407 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:52:18,407 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:52:18,407 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:52:18,407 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 11:52:18,407 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:52:18,407 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:52:18,407 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:52:18,407 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-28 11:52:18,407 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:52:18,407 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:52:18,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:52:18,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:52:18,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:52:18,496 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:52:18,496 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a33df06-4509-4495-9b6b-ddcfad4b0701/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:52:18,499 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 11:52:18,499 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2a33df06-4509-4495-9b6b-ddcfad4b0701/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:52:18,532 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 11:52:18,532 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 11:52:31,596 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 11:52:31,621 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 11:52:31,621 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 11:52:31,621 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 11:52:31,621 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 11:52:31,621 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 11:52:31,621 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 11:52:31,621 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 11:52:31,621 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 11:52:31,621 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-28 11:52:31,621 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 11:52:31,622 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 11:52:31,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:52:31,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:52:31,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 11:52:31,714 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 11:52:31,714 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 11:52:31,714 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:31,715 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:31,715 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:31,715 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:31,715 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:31,715 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:52:31,715 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:52:31,715 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:31,716 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:31,716 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:31,716 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:31,716 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:31,716 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:31,716 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:52:31,717 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:52:31,717 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 11:52:31,731 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:31,732 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:31,732 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:31,732 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:31,732 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:31,732 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:31,732 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 11:52:31,733 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 11:52:31,733 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:31,733 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:31,733 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 11:52:31,733 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:31,733 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:31,734 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:31,734 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:31,734 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:31,734 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:52:31,734 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:52:31,734 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:31,734 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:31,734 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:31,735 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:31,735 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:31,735 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:31,735 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:52:31,736 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 11:52:31,737 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 11:52:31,749 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:31,750 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:31,750 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:31,750 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:31,750 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:31,750 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:31,751 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:52:31,751 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:52:31,751 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:31,751 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:31,751 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 11:52:31,752 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:31,752 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:31,752 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:31,752 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:31,752 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:31,752 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:52:31,752 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:52:31,753 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:31,753 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:31,753 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:31,753 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:31,753 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:31,754 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:31,754 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:52:31,756 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 11:52:31,756 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 11:52:31,771 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:31,772 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:31,772 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:31,772 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:31,772 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:31,772 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:31,772 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:52:31,773 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:52:31,773 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:31,773 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:31,773 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 11:52:31,773 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:31,774 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:31,774 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:31,774 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:31,774 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:31,774 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:52:31,774 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:52:31,774 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:31,775 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:31,775 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:31,775 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:31,775 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:31,775 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:31,775 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:52:31,778 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 11:52:31,778 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 11:52:31,797 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:31,798 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:31,798 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 11:52:31,798 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:31,798 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:31,798 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:31,798 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:52:31,799 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:52:31,799 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:31,799 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:31,799 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 11:52:31,800 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:31,800 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:31,800 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:52:31,800 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:31,800 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:31,800 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:31,800 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:52:31,800 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:52:31,801 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:31,801 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:31,801 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:31,801 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:31,801 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:52:31,802 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:31,802 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:31,802 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:52:31,804 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 11:52:31,804 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 11:52:31,879 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:31,880 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:31,880 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:31,880 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:52:31,881 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:31,881 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:31,881 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:31,881 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 11:52:31,881 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 11:52:31,881 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:31,882 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:31,882 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 11:52:31,882 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:31,883 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:31,883 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:52:31,883 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:31,883 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:31,883 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:31,883 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:52:31,884 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:52:31,884 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:31,884 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:31,885 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:31,885 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:31,885 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:52:31,885 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:31,885 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:31,885 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:52:31,889 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 11:52:31,889 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 11:52:32,182 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:32,183 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:32,183 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:32,183 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 11:52:32,183 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:32,183 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:32,183 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:32,183 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:52:32,184 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:52:32,184 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:32,185 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:32,185 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 11:52:32,185 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:32,186 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:32,186 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:52:32,186 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:32,186 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:32,186 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:32,186 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:52:32,187 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:52:32,187 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:32,187 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:32,187 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:32,188 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:32,188 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:52:32,188 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:32,188 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:32,188 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:52:32,192 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 11:52:32,192 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 11:52:32,810 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:32,810 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:32,810 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:32,810 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:52:32,811 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:32,811 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:32,811 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:32,811 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 11:52:32,812 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 11:52:32,812 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:32,812 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:32,812 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 11:52:32,813 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:32,813 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:32,813 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:52:32,813 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:32,813 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:32,813 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:32,813 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:52:32,813 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:52:32,814 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:32,814 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:32,815 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:32,815 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:32,815 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:52:32,815 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:32,815 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:32,815 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:52:32,817 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 11:52:32,818 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 11:52:32,877 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:32,877 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:32,877 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:32,877 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 11:52:32,878 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:32,878 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:32,878 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:32,878 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 11:52:32,878 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 11:52:32,878 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:32,879 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:32,879 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 11:52:32,880 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:32,880 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:32,880 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:52:32,880 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:32,880 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:32,880 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:32,880 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:52:32,881 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:52:32,881 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:32,882 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:32,882 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:32,882 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:32,882 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:52:32,883 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:32,883 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:32,883 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:52:32,886 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 11:52:32,886 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 11:52:33,141 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:33,141 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 11:52:33,141 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 11:52:33,142 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 11:52:33,142 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 11:52:33,142 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 11:52:33,142 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 11:52:33,142 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 11:52:33,142 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 11:52:33,142 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 11:52:33,144 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 11:52:33,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:52:33 BoogieIcfgContainer [2018-11-28 11:52:33,149 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 11:52:33,149 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:52:33,149 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:52:33,149 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:52:33,150 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:51:38" (3/4) ... [2018-11-28 11:52:33,153 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 11:52:33,153 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:52:33,153 INFO L168 Benchmark]: Toolchain (without parser) took 55214.29 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 374.9 MB). Free memory was 958.7 MB in the beginning and 1.3 GB in the end (delta: -329.7 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:52:33,155 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:52:33,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 146.91 ms. Allocated memory is still 1.0 GB. Free memory was 958.7 MB in the beginning and 947.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:52:33,155 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.78 ms. Allocated memory is still 1.0 GB. Free memory is still 947.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:52:33,156 INFO L168 Benchmark]: Boogie Preprocessor took 44.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -139.4 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:52:33,156 INFO L168 Benchmark]: RCFGBuilder took 118.01 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: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:52:33,156 INFO L168 Benchmark]: BuchiAutomizer took 54880.80 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 282.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -212.9 MB). Peak memory consumption was 489.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:52:33,158 INFO L168 Benchmark]: Witness Printer took 3.58 ms. Allocated memory is still 1.4 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:52:33,162 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 146.91 ms. Allocated memory is still 1.0 GB. Free memory was 958.7 MB in the beginning and 947.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.78 ms. Allocated memory is still 1.0 GB. Free memory is still 947.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.46 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -139.4 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 118.01 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: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 54880.80 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 282.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -212.9 MB). Peak memory consumption was 489.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.58 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 54.8s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 54.8s. 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: 258ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 26.0s - 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...