./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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b6336f15-aa49-451f-b9aa-608397e204f7/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b6336f15-aa49-451f-b9aa-608397e204f7/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b6336f15-aa49-451f-b9aa-608397e204f7/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b6336f15-aa49-451f-b9aa-608397e204f7/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_b6336f15-aa49-451f-b9aa-608397e204f7/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b6336f15-aa49-451f-b9aa-608397e204f7/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-aa41828 [2018-11-23 15:20:39,676 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 15:20:39,677 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 15:20:39,684 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 15:20:39,684 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 15:20:39,684 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 15:20:39,685 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 15:20:39,686 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 15:20:39,687 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 15:20:39,688 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 15:20:39,688 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 15:20:39,689 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 15:20:39,689 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 15:20:39,690 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 15:20:39,690 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 15:20:39,691 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 15:20:39,691 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 15:20:39,692 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 15:20:39,693 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 15:20:39,694 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 15:20:39,695 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 15:20:39,696 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 15:20:39,697 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 15:20:39,697 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 15:20:39,698 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 15:20:39,698 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 15:20:39,699 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 15:20:39,699 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 15:20:39,700 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 15:20:39,700 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 15:20:39,701 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 15:20:39,701 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 15:20:39,701 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 15:20:39,701 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 15:20:39,702 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 15:20:39,702 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 15:20:39,703 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b6336f15-aa49-451f-b9aa-608397e204f7/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-23 15:20:39,712 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 15:20:39,712 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 15:20:39,713 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 15:20:39,713 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 15:20:39,713 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 15:20:39,713 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 15:20:39,713 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 15:20:39,713 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 15:20:39,713 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 15:20:39,714 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 15:20:39,714 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 15:20:39,714 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 15:20:39,714 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 15:20:39,714 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 15:20:39,714 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 15:20:39,714 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 15:20:39,714 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 15:20:39,715 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 15:20:39,715 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 15:20:39,715 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 15:20:39,715 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 15:20:39,715 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 15:20:39,715 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 15:20:39,715 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 15:20:39,716 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 15:20:39,716 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 15:20:39,716 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 15:20:39,716 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 15:20:39,716 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 15:20:39,716 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 15:20:39,716 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 15:20:39,717 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 15:20:39,717 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_b6336f15-aa49-451f-b9aa-608397e204f7/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 [2018-11-23 15:20:39,740 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 15:20:39,749 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 15:20:39,751 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 15:20:39,752 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 15:20:39,752 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 15:20:39,753 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b6336f15-aa49-451f-b9aa-608397e204f7/bin-2019/uautomizer/../../sv-benchmarks/c/loop-acceleration/functions_true-unreach-call1_true-termination.i [2018-11-23 15:20:39,797 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b6336f15-aa49-451f-b9aa-608397e204f7/bin-2019/uautomizer/data/15faa168c/6564dc56e4ab4eaca7a4631457184553/FLAGab4d2647d [2018-11-23 15:20:40,104 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 15:20:40,105 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b6336f15-aa49-451f-b9aa-608397e204f7/sv-benchmarks/c/loop-acceleration/functions_true-unreach-call1_true-termination.i [2018-11-23 15:20:40,109 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b6336f15-aa49-451f-b9aa-608397e204f7/bin-2019/uautomizer/data/15faa168c/6564dc56e4ab4eaca7a4631457184553/FLAGab4d2647d [2018-11-23 15:20:40,121 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b6336f15-aa49-451f-b9aa-608397e204f7/bin-2019/uautomizer/data/15faa168c/6564dc56e4ab4eaca7a4631457184553 [2018-11-23 15:20:40,124 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 15:20:40,125 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 15:20:40,126 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 15:20:40,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 15:20:40,129 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 15:20:40,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:20:40" (1/1) ... [2018-11-23 15:20:40,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1efe2e63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:40, skipping insertion in model container [2018-11-23 15:20:40,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:20:40" (1/1) ... [2018-11-23 15:20:40,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 15:20:40,155 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 15:20:40,262 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:20:40,264 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 15:20:40,273 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 15:20:40,280 INFO L195 MainTranslator]: Completed translation [2018-11-23 15:20:40,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:40 WrapperNode [2018-11-23 15:20:40,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 15:20:40,281 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 15:20:40,281 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 15:20:40,281 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 15:20:40,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:40" (1/1) ... [2018-11-23 15:20:40,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:40" (1/1) ... [2018-11-23 15:20:40,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 15:20:40,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 15:20:40,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 15:20:40,298 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 15:20:40,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:40" (1/1) ... [2018-11-23 15:20:40,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:40" (1/1) ... [2018-11-23 15:20:40,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:40" (1/1) ... [2018-11-23 15:20:40,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:40" (1/1) ... [2018-11-23 15:20:40,305 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:40" (1/1) ... [2018-11-23 15:20:40,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:40" (1/1) ... [2018-11-23 15:20:40,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:40" (1/1) ... [2018-11-23 15:20:40,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 15:20:40,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 15:20:40,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 15:20:40,341 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 15:20:40,342 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6336f15-aa49-451f-b9aa-608397e204f7/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 15:20:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 15:20:40,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 15:20:40,462 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 15:20:40,462 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-11-23 15:20:40,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:20:40 BoogieIcfgContainer [2018-11-23 15:20:40,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 15:20:40,463 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 15:20:40,463 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 15:20:40,466 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 15:20:40,466 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 15:20:40,467 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 03:20:40" (1/3) ... [2018-11-23 15:20:40,467 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a04f973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:20:40, skipping insertion in model container [2018-11-23 15:20:40,467 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 15:20:40,468 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:40" (2/3) ... [2018-11-23 15:20:40,468 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a04f973 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 03:20:40, skipping insertion in model container [2018-11-23 15:20:40,468 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 15:20:40,468 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:20:40" (3/3) ... [2018-11-23 15:20:40,469 INFO L375 chiAutomizerObserver]: Analyzing ICFG functions_true-unreach-call1_true-termination.i [2018-11-23 15:20:40,510 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 15:20:40,511 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 15:20:40,511 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 15:20:40,511 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 15:20:40,511 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 15:20:40,511 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 15:20:40,511 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 15:20:40,511 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 15:20:40,511 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 15:20:40,519 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-11-23 15:20:40,532 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-23 15:20:40,532 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 15:20:40,532 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 15:20:40,535 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-23 15:20:40,536 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 15:20:40,536 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 15:20:40,536 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2018-11-23 15:20:40,536 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-23 15:20:40,536 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 15:20:40,536 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 15:20:40,537 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-23 15:20:40,537 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 15:20:40,541 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0; 5#L13-2true [2018-11-23 15:20:40,541 INFO L796 eck$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 [2018-11-23 15:20:40,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:20:40,545 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-23 15:20:40,546 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:20:40,546 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:20:40,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:40,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:20:40,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:20:40,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:20:40,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:20:40,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2018-11-23 15:20:40,600 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:20:40,600 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:20:40,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:40,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:20:40,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:20:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:20:40,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:20:40,615 INFO L82 PathProgramCache]: Analyzing trace with hash 31074, now seen corresponding path program 1 times [2018-11-23 15:20:40,615 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:20:40,615 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:20:40,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:40,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:20:40,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:20:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:20:40,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:20:40,674 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 15:20:40,674 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 15:20:40,675 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 15:20:40,675 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 15:20:40,675 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 15:20:40,675 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 15:20:40,675 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 15:20:40,675 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 15:20:40,675 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-23 15:20:40,675 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 15:20:40,676 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 15:20:40,695 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:20:40,701 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:20:40,836 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 15:20:40,836 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6336f15-aa49-451f-b9aa-608397e204f7/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 15:20:40,844 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 15:20:40,844 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 15:20:40,851 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 15:20:40,851 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_b6336f15-aa49-451f-b9aa-608397e204f7/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 15:20:40,877 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 15:20:40,878 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6336f15-aa49-451f-b9aa-608397e204f7/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 15:20:40,969 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 15:20:40,970 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 15:20:54,560 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-23 15:20:54,587 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 15:20:54,588 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 15:20:54,588 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 15:20:54,588 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 15:20:54,588 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 15:20:54,588 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 15:20:54,588 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 15:20:54,588 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 15:20:54,588 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-23 15:20:54,588 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 15:20:54,588 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 15:20:54,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:20:54,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:20:54,689 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 15:20:54,693 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 15:20:54,694 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:20:54,695 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:20:54,696 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:20:54,696 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:20:54,697 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:20:54,697 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:20:54,699 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 15:20:54,699 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:20:54,702 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:20:54,702 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:20:54,703 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:20:54,703 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:20:54,703 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:20:54,703 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:20:54,703 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:20:54,704 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 15:20:54,705 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:20:54,715 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:20:54,716 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-23 15:20:54,716 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 [2018-11-23 15:20:54,717 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:20:54,717 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:20:54,717 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:20:54,717 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:20:54,718 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 15:20:54,718 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 15:20:54,718 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:20:54,719 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:20:54,720 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 [2018-11-23 15:20:54,720 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:20:54,720 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:20:54,721 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:20:54,721 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:20:54,721 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 15:20:54,722 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 15:20:54,723 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:20:54,737 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:20:54,738 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-23 15:20:54,738 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:20:54,738 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:20:54,739 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:20:54,739 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:20:54,739 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:20:54,739 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:20:54,740 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:20:54,740 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:20:54,741 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:20:54,741 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:20:54,742 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:20:54,742 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:20:54,742 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:20:54,742 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:20:54,742 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:20:54,744 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:20:54,744 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:20:54,763 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:20:54,763 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-23 15:20:54,764 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:20:54,764 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:20:54,764 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:20:54,765 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:20:54,765 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:20:54,765 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 15:20:54,766 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 15:20:54,766 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:20:54,767 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:20:54,767 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:20:54,767 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:20:54,768 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:20:54,768 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:20:54,768 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:20:54,768 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 15:20:54,770 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 15:20:54,770 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:20:54,788 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:20:54,788 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-23 15:20:54,788 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:20:54,789 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:20:54,789 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 15:20:54,789 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:20:54,789 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:20:54,790 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:20:54,790 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 15:20:54,791 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 15:20:54,791 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:20:54,792 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:20:54,792 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:20:54,793 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:20:54,793 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 15:20:54,793 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:20:54,793 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:20:54,794 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:20:54,794 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 15:20:54,796 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 15:20:54,796 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:20:54,832 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:20:54,833 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-23 15:20:54,833 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:20:54,834 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:20:54,834 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 15:20:54,834 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:20:54,834 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:20:54,835 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:20:54,835 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:20:54,837 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:20:54,837 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:20:54,839 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:20:54,840 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:20:54,840 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:20:54,841 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 15:20:54,841 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:20:54,841 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:20:54,841 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:20:54,841 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:20:54,845 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:20:54,845 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:20:54,909 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:20:54,910 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-23 15:20:54,910 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:20:54,911 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:20:54,911 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 15:20:54,911 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:20:54,911 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:20:54,911 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:20:54,912 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 15:20:54,913 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 15:20:54,913 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:20:54,914 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:20:54,914 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:20:54,915 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:20:54,915 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 15:20:54,915 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:20:54,915 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:20:54,916 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:20:54,916 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 15:20:54,920 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 15:20:54,920 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:20:54,979 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:20:54,980 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-23 15:20:54,980 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:20:54,981 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:20:54,981 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 15:20:54,981 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:20:54,981 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:20:54,982 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:20:54,982 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:20:54,982 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:20:54,983 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:20:54,984 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:20:54,985 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:20:54,985 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:20:54,986 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 15:20:54,986 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:20:54,986 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:20:54,986 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:20:54,986 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:20:54,987 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:20:54,988 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:20:54,997 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:20:54,997 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-23 15:20:54,997 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:20:54,998 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:20:54,998 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 15:20:54,998 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:20:54,998 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:20:54,998 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:20:54,998 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 15:20:54,999 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 15:20:54,999 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:20:55,002 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:20:55,002 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:20:55,002 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:20:55,003 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 15:20:55,003 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:20:55,003 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:20:55,003 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:20:55,003 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 15:20:55,005 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 15:20:55,005 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:20:55,026 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:20:55,039 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 15:20:55,039 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 15:20:55,040 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 15:20:55,040 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 15:20:55,040 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 15:20:55,040 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 15:20:55,040 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 15:20:55,040 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 15:20:55,040 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-23 15:20:55,040 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 15:20:55,040 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 15:20:55,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:20:55,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:20:55,055 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:20:55,174 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 15:20:55,175 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6336f15-aa49-451f-b9aa-608397e204f7/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 15:20:55,188 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 15:20:55,188 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 15:20:55,196 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 15:20:55,196 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_b6336f15-aa49-451f-b9aa-608397e204f7/bin-2019/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 15:20:55,224 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 15:20:55,224 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 15:20:55,247 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 15:20:55,247 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_b6336f15-aa49-451f-b9aa-608397e204f7/bin-2019/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 15:20:55,268 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 15:20:55,268 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6336f15-aa49-451f-b9aa-608397e204f7/bin-2019/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 15:20:55,305 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 15:20:55,305 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 15:21:07,611 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-23 15:21:07,637 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 15:21:07,637 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 15:21:07,637 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 15:21:07,637 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 15:21:07,637 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 15:21:07,637 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 15:21:07,637 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 15:21:07,637 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 15:21:07,637 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-23 15:21:07,637 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 15:21:07,637 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 15:21:07,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:21:07,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:21:07,648 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:21:07,734 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 15:21:07,734 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 15:21:07,734 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 [2018-11-23 15:21:07,735 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:07,735 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:07,735 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:07,735 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:21:07,738 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 15:21:07,738 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 15:21:07,748 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:07,748 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:07,749 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:07,749 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:07,749 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:07,749 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:07,749 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:21:07,749 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 15:21:07,749 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:07,750 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:07,750 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 [2018-11-23 15:21:07,750 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:07,751 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:07,751 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:07,751 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:07,751 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:21:07,751 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 15:21:07,751 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:07,752 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:07,752 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-23 15:21:07,752 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 [2018-11-23 15:21:07,753 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:07,753 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:07,753 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:07,753 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 15:21:07,755 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 15:21:07,756 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 15:21:07,767 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:07,768 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:07,768 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:07,768 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:07,769 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:07,769 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:07,769 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 15:21:07,769 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 15:21:07,769 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:07,770 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:07,770 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:07,770 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:07,771 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:07,771 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:07,771 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:07,771 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 15:21:07,771 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 15:21:07,771 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:07,772 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:07,772 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-23 15:21:07,772 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:07,773 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:07,773 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:07,773 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:07,773 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:21:07,776 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 15:21:07,776 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 15:21:07,792 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:07,793 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:07,793 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:07,793 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:07,793 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:07,794 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:07,794 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:21:07,794 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:21:07,794 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:07,794 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:07,795 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:07,795 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:07,795 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:07,795 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:07,796 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:07,796 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:21:07,796 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:21:07,796 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:07,797 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:07,797 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-23 15:21:07,797 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:07,797 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:07,798 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:07,798 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:07,798 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 15:21:07,801 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 15:21:07,802 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 15:21:07,821 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:07,821 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:07,822 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:07,822 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:07,822 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:07,822 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:07,822 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 15:21:07,823 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 15:21:07,823 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:07,823 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:07,823 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:07,824 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:07,824 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:07,824 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:07,824 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:07,824 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 15:21:07,825 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 15:21:07,825 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:07,825 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:07,825 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-23 15:21:07,826 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:07,826 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:07,826 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 15:21:07,826 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:07,827 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:07,827 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 15:21:07,829 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 15:21:07,829 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 15:21:07,863 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:07,863 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:07,864 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:07,864 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 15:21:07,864 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:07,864 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:07,864 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:07,864 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 15:21:07,865 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 15:21:07,865 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:07,866 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:07,866 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:07,866 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:07,866 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 15:21:07,866 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:07,867 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:07,867 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:07,867 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 15:21:07,867 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 15:21:07,867 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:07,868 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:07,868 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-23 15:21:07,868 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:07,869 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:07,869 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 15:21:07,869 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:07,869 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:07,869 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:21:07,872 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 15:21:07,873 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 15:21:07,973 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:07,973 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:07,974 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:07,974 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 15:21:07,974 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:07,974 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:07,974 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:07,974 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:21:07,975 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:21:07,975 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:07,976 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:07,976 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:07,976 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:07,977 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 15:21:07,977 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:07,977 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:07,977 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:07,977 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:21:07,977 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:21:07,977 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:07,978 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:07,978 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-23 15:21:07,979 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:07,979 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:07,979 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 15:21:07,979 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:07,979 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:07,979 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 15:21:07,983 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 15:21:07,984 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 15:21:08,141 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:08,142 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:08,142 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:08,142 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 15:21:08,143 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:08,143 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:08,143 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:08,143 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 15:21:08,144 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 15:21:08,144 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:08,144 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:08,145 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:08,145 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:08,145 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 15:21:08,145 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:08,145 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:08,145 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:08,146 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 15:21:08,146 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 15:21:08,146 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:08,147 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:08,147 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-23 15:21:08,147 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:08,148 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:08,148 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 15:21:08,148 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:08,148 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:08,148 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:21:08,150 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 15:21:08,150 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 15:21:08,176 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:08,176 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:08,177 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:08,177 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 15:21:08,177 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:08,177 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:08,177 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:08,177 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:21:08,178 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:21:08,178 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:08,178 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:08,179 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:08,179 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:08,179 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 15:21:08,179 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:08,179 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:08,179 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:08,179 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:21:08,180 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:21:08,180 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:08,181 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:08,181 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-23 15:21:08,181 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:08,181 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:08,182 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 15:21:08,182 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:08,182 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:08,182 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 15:21:08,185 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-23 15:21:08,186 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-23 15:21:08,285 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:08,285 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:08,285 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:08,286 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 15:21:08,286 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:08,286 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:08,286 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:08,286 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 15:21:08,286 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 15:21:08,286 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:08,288 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:08,288 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:08,289 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:08,289 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 15:21:08,289 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:08,289 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:08,289 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:08,289 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 15:21:08,290 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 15:21:08,290 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:08,292 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:08,292 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-23 15:21:08,292 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0; 5#L13-2true assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z; 10#L9true main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 5#L13-2true [2018-11-23 15:21:08,293 INFO L796 eck$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 [2018-11-23 15:21:08,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:21:08,293 INFO L82 PathProgramCache]: Analyzing trace with hash 31074, now seen corresponding path program 2 times [2018-11-23 15:21:08,293 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:21:08,293 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:21:08,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:08,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 15:21:08,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:08,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:21:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:21:08,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:21:08,299 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 2 times [2018-11-23 15:21:08,299 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:21:08,300 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:21:08,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:08,300 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 15:21:08,300 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:08,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:21:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:21:08,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 15:21:08,305 INFO L82 PathProgramCache]: Analyzing trace with hash 29862436, now seen corresponding path program 3 times [2018-11-23 15:21:08,305 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 15:21:08,305 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 15:21:08,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:08,306 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-23 15:21:08,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 15:21:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:21:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 15:21:08,351 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 15:21:08,351 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 15:21:08,351 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 15:21:08,351 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 15:21:08,351 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 15:21:08,352 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 15:21:08,352 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 15:21:08,352 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 15:21:08,352 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-23 15:21:08,352 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 15:21:08,352 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 15:21:08,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:21:08,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:21:08,471 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 15:21:08,471 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6336f15-aa49-451f-b9aa-608397e204f7/bin-2019/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 15:21:08,474 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 15:21:08,474 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6336f15-aa49-451f-b9aa-608397e204f7/bin-2019/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 15:21:08,638 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 15:21:08,638 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 15:21:20,863 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-23 15:21:20,889 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 15:21:20,889 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 15:21:20,889 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 15:21:20,890 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 15:21:20,890 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 15:21:20,890 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 15:21:20,890 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 15:21:20,890 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 15:21:20,890 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Loop [2018-11-23 15:21:20,890 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 15:21:20,890 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 15:21:20,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:21:20,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:21:20,944 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 15:21:20,944 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 15:21:20,945 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:20,945 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:20,945 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:20,945 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:20,945 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:20,945 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:21:20,946 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 15:21:20,946 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:20,946 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:20,947 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:20,947 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:20,947 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:20,947 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:20,947 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:20,947 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:21:20,949 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 15:21:20,949 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:20,953 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:20,953 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-23 15:21:20,954 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:20,954 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:20,954 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:20,954 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:20,954 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:20,954 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 15:21:20,955 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 15:21:20,955 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:20,959 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:20,959 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:20,959 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:20,959 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:20,959 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:20,960 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:20,960 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 15:21:20,960 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 15:21:20,960 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:20,966 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:20,966 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-23 15:21:20,966 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:20,967 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:20,967 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:20,967 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:20,967 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:20,967 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:21:20,967 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:21:20,967 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:20,968 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:20,968 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:20,968 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:20,969 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:20,969 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:20,969 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:20,969 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:21:20,969 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:21:20,970 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:20,974 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:20,974 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-23 15:21:20,975 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:20,975 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:20,975 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:20,975 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:20,975 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:20,976 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 15:21:20,976 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 15:21:20,976 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:20,976 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:20,977 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:20,977 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:20,977 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:20,977 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:20,977 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:20,977 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 15:21:20,978 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 15:21:20,978 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:20,983 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:20,983 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-23 15:21:20,983 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:20,984 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:20,984 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 15:21:20,984 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:20,984 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:20,984 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:20,984 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 15:21:20,984 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 15:21:20,985 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:20,985 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:20,985 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:20,986 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:20,986 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 15:21:20,986 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:20,986 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:20,986 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:20,986 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 15:21:20,987 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 15:21:20,987 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:20,996 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:20,997 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-23 15:21:20,997 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:20,997 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:20,997 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 15:21:20,998 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:20,998 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:20,998 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:20,998 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:21:20,998 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:21:20,998 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:20,999 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:21,000 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:21,000 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:21,000 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 15:21:21,000 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:21,000 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:21,000 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:21,000 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:21:21,002 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:21:21,002 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:21,019 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:21,019 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-23 15:21:21,020 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:21,020 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:21,020 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 15:21:21,020 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:21,020 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:21,021 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:21,021 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 15:21:21,021 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 15:21:21,022 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:21,022 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:21,022 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:21,023 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:21,023 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 15:21:21,023 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:21,023 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:21,023 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:21,023 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 15:21:21,026 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 15:21:21,026 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:21,084 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:21,084 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-23 15:21:21,084 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:21,085 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:21,085 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 15:21:21,085 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:21,085 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:21,085 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:21,085 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:21:21,086 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:21:21,086 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:21,087 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:21,087 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:21,087 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:21,087 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 15:21:21,088 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:21,088 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:21,088 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:21,088 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:21:21,089 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:21:21,089 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:21,095 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:21,095 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-23 15:21:21,095 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:21,096 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:21,096 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 15:21:21,096 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:21,096 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:21,096 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:21,096 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 15:21:21,097 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 15:21:21,097 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:21,099 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:21,099 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:21,099 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:21,099 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 15:21:21,100 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:21,100 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:21,100 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:21,100 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 15:21:21,101 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 15:21:21,102 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:21,113 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:21,142 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 15:21:21,142 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 15:21:21,142 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 15:21:21,143 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 15:21:21,143 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-23 15:21:21,143 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 15:21:21,143 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 15:21:21,143 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 15:21:21,143 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-23 15:21:21,143 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 15:21:21,143 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 15:21:21,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:21:21,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:21:21,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:21:21,265 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 15:21:21,265 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6336f15-aa49-451f-b9aa-608397e204f7/bin-2019/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 15:21:21,267 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 15:21:21,267 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 15:21:21,269 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-23 15:21:21,269 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_b6336f15-aa49-451f-b9aa-608397e204f7/bin-2019/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 15:21:21,288 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-23 15:21:21,289 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6336f15-aa49-451f-b9aa-608397e204f7/bin-2019/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 15:21:21,316 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-23 15:21:21,316 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-23 15:21:33,592 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-23 15:21:33,618 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 15:21:33,618 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 15:21:33,618 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 15:21:33,618 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 15:21:33,618 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 15:21:33,618 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 15:21:33,619 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 15:21:33,619 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 15:21:33,619 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Lasso [2018-11-23 15:21:33,619 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 15:21:33,619 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 15:21:33,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:21:33,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:21:33,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 15:21:33,731 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 15:21:33,731 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 15:21:33,731 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:33,732 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:33,732 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:33,732 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:33,732 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:21:33,733 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 15:21:33,733 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 15:21:33,742 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:33,742 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:33,743 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:33,743 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:33,743 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:33,745 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:33,745 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:21:33,746 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 15:21:33,746 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:33,746 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:33,746 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:33,747 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:33,747 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:33,747 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:33,747 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:33,747 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 15:21:33,747 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 15:21:33,747 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:33,748 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:33,748 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-23 15:21:33,748 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:33,748 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:33,748 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:33,748 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:33,749 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 15:21:33,750 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 15:21:33,750 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 15:21:33,761 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:33,761 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:33,761 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:33,762 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:33,762 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:33,762 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:33,762 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 15:21:33,762 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 15:21:33,762 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:33,762 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:33,763 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:33,763 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:33,763 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:33,763 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:33,763 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:33,763 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 15:21:33,764 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 15:21:33,764 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:33,764 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:33,764 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-23 15:21:33,764 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:33,765 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:33,765 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:33,765 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:33,765 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:21:33,767 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 15:21:33,767 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 15:21:33,782 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:33,783 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:33,783 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:33,783 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:33,783 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:33,783 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:33,783 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:21:33,784 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:21:33,784 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:33,784 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:33,784 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:33,785 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:33,785 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:33,785 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:33,785 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:33,785 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:21:33,785 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:21:33,785 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:33,785 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:33,786 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-23 15:21:33,786 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:33,786 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:33,786 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:33,786 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:33,786 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 15:21:33,789 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 15:21:33,789 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 15:21:33,809 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:33,810 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 [2018-11-23 15:21:33,810 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:33,810 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:33,810 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:33,810 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:33,810 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 15:21:33,811 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 15:21:33,811 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:33,811 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:33,811 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:33,812 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 15:21:33,812 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:33,812 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:33,812 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:33,812 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 15:21:33,812 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 15:21:33,812 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:33,813 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:33,813 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-23 15:21:33,813 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:33,813 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:33,813 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 15:21:33,813 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:33,814 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:33,814 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 15:21:33,815 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-23 15:21:33,816 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-23 15:21:33,879 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:33,880 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 [2018-11-23 15:21:33,880 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:33,880 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 15:21:33,880 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:33,880 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:33,880 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:33,881 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 15:21:33,881 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 15:21:33,881 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:33,881 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:33,882 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 [2018-11-23 15:21:33,882 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:33,882 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 15:21:33,882 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:33,882 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:33,882 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:33,882 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-23 15:21:33,883 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-23 15:21:33,883 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:33,883 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:33,883 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-23 15:21:33,883 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:33,884 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:33,884 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 15:21:33,884 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:33,884 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:33,884 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:21:33,886 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 15:21:33,887 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 15:21:34,079 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:34,079 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:34,080 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:34,080 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 15:21:34,080 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:34,080 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:34,080 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:34,080 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:21:34,081 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:21:34,081 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:34,081 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:34,082 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:34,082 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:34,082 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-23 15:21:34,082 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:34,082 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:34,082 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:34,082 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:21:34,083 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:21:34,083 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:34,083 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:34,084 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-23 15:21:34,084 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:34,084 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:34,084 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 15:21:34,084 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:34,084 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:34,085 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 15:21:34,088 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-23 15:21:34,088 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-23 15:21:34,498 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:34,498 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:34,498 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:34,498 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 15:21:34,499 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:34,499 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:34,499 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:34,499 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 15:21:34,499 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 15:21:34,500 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:34,500 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:34,500 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:34,501 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:34,501 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 15:21:34,501 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:34,501 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:34,501 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:34,501 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-23 15:21:34,502 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-23 15:21:34,502 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:34,502 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:34,503 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-23 15:21:34,503 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:34,503 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:34,503 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 15:21:34,503 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:34,503 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:34,503 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:21:34,505 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-23 15:21:34,505 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 15:21:34,551 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:34,551 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:34,551 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:34,552 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 15:21:34,552 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:34,552 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:34,552 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:34,552 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:21:34,552 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:21:34,552 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:34,553 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:34,553 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 [2018-11-23 15:21:34,553 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:34,554 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-23 15:21:34,554 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:34,554 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:34,554 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:34,554 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-23 15:21:34,554 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-23 15:21:34,554 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:34,555 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:34,555 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-23 15:21:34,555 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 [2018-11-23 15:21:34,556 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:34,556 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 15:21:34,556 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:34,556 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:34,556 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 15:21:34,559 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-23 15:21:34,559 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-23 15:21:35,119 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:35,119 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:35,119 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:35,119 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 15:21:35,120 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:35,120 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:35,120 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:35,120 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 15:21:35,120 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 15:21:35,120 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:35,122 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:35,122 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-23 15:21:35,122 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-23 15:21:35,122 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-23 15:21:35,122 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 15:21:35,123 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 15:21:35,123 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 15:21:35,123 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-23 15:21:35,123 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 15:21:35,123 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 15:21:35,125 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 15:21:35,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 03:21:35 BoogieIcfgContainer [2018-11-23 15:21:35,130 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 15:21:35,130 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 15:21:35,130 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 15:21:35,130 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 15:21:35,131 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:20:40" (3/4) ... [2018-11-23 15:21:35,134 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 15:21:35,134 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 15:21:35,134 INFO L168 Benchmark]: Toolchain (without parser) took 55010.17 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 281.5 MB). Free memory was 963.0 MB in the beginning and 1.2 GB in the end (delta: -212.0 MB). Peak memory consumption was 69.5 MB. Max. memory is 11.5 GB. [2018-11-23 15:21:35,136 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 15:21:35,136 INFO L168 Benchmark]: CACSL2BoogieTranslator took 155.20 ms. Allocated memory is still 1.0 GB. Free memory was 963.0 MB in the beginning and 952.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 15:21:35,136 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.90 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 946.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 15:21:35,137 INFO L168 Benchmark]: Boogie Preprocessor took 10.28 ms. Allocated memory is still 1.0 GB. Free memory was 946.9 MB in the beginning and 945.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2018-11-23 15:21:35,137 INFO L168 Benchmark]: RCFGBuilder took 154.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -177.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-23 15:21:35,138 INFO L168 Benchmark]: BuchiAutomizer took 54666.84 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 144.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -60.3 MB). Peak memory consumption was 311.8 MB. Max. memory is 11.5 GB. [2018-11-23 15:21:35,138 INFO L168 Benchmark]: Witness Printer took 3.69 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2018-11-23 15:21:35,140 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 155.20 ms. Allocated memory is still 1.0 GB. Free memory was 963.0 MB in the beginning and 952.3 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.90 ms. Allocated memory is still 1.0 GB. Free memory was 952.3 MB in the beginning and 946.9 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.28 ms. Allocated memory is still 1.0 GB. Free memory was 946.9 MB in the beginning and 945.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 154.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -177.4 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 54666.84 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 144.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -60.3 MB). Peak memory consumption was 311.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.69 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. 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 54.6s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 54.5s. 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: 563ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 24.7s - 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...