./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/loop-acceleration/functions_true-unreach-call1_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/loop-acceleration/functions_true-unreach-call1_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0.1.24-2e94e6a [2019-01-01 23:01:57,397 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:01:57,399 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:01:57,412 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:01:57,412 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:01:57,413 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:01:57,415 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:01:57,418 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:01:57,422 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:01:57,429 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:01:57,430 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:01:57,432 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:01:57,433 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:01:57,434 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:01:57,439 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:01:57,440 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:01:57,442 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:01:57,448 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:01:57,452 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:01:57,457 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:01:57,458 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:01:57,462 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:01:57,466 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:01:57,469 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:01:57,470 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:01:57,472 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:01:57,473 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:01:57,473 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:01:57,476 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:01:57,480 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:01:57,482 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:01:57,483 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:01:57,483 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:01:57,483 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:01:57,486 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:01:57,487 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:01:57,489 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:01:57,518 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:01:57,519 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:01:57,521 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:01:57,524 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:01:57,524 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:01:57,525 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:01:57,525 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:01:57,525 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:01:57,525 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:01:57,525 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:01:57,526 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:01:57,527 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:01:57,527 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:01:57,527 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:01:57,527 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:01:57,528 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:01:57,528 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:01:57,528 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:01:57,528 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:01:57,528 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:01:57,528 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:01:57,531 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:01:57,531 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:01:57,531 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:01:57,532 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:01:57,532 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:01:57,532 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:01:57,532 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:01:57,532 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:01:57,532 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:01:57,533 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:01:57,535 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:01:57,535 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 [2019-01-01 23:01:57,591 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:01:57,607 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:01:57,615 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:01:57,617 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:01:57,617 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:01:57,618 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-acceleration/functions_true-unreach-call1_true-termination.i [2019-01-01 23:01:57,692 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e80537f71/793e194d5b224ca09b8f3aa0b1704a90/FLAG8713bb1ef [2019-01-01 23:01:58,152 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:01:58,153 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-acceleration/functions_true-unreach-call1_true-termination.i [2019-01-01 23:01:58,159 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e80537f71/793e194d5b224ca09b8f3aa0b1704a90/FLAG8713bb1ef [2019-01-01 23:01:58,532 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e80537f71/793e194d5b224ca09b8f3aa0b1704a90 [2019-01-01 23:01:58,536 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:01:58,538 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:01:58,539 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:01:58,539 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:01:58,543 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:01:58,544 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:01:58" (1/1) ... [2019-01-01 23:01:58,547 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c070f60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:01:58, skipping insertion in model container [2019-01-01 23:01:58,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:01:58" (1/1) ... [2019-01-01 23:01:58,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:01:58,573 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:01:58,766 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:01:58,771 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:01:58,787 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:01:58,800 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:01:58,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:01:58 WrapperNode [2019-01-01 23:01:58,801 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:01:58,801 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:01:58,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:01:58,802 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:01:58,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:01:58" (1/1) ... [2019-01-01 23:01:58,815 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:01:58" (1/1) ... [2019-01-01 23:01:58,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:01:58,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:01:58,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:01:58,836 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:01:58,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:01:58" (1/1) ... [2019-01-01 23:01:58,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:01:58" (1/1) ... [2019-01-01 23:01:58,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:01:58" (1/1) ... [2019-01-01 23:01:58,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:01:58" (1/1) ... [2019-01-01 23:01:58,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:01:58" (1/1) ... [2019-01-01 23:01:58,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:01:58" (1/1) ... [2019-01-01 23:01:58,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:01:58" (1/1) ... [2019-01-01 23:01:58,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:01:58,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:01:58,858 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:01:58,858 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:01:58,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:01:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 23:01:58,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:01:58,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:01:59,169 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:01:59,169 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2019-01-01 23:01:59,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:01:59 BoogieIcfgContainer [2019-01-01 23:01:59,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:01:59,170 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:01:59,170 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:01:59,174 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:01:59,174 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:01:59,175 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:01:58" (1/3) ... [2019-01-01 23:01:59,176 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d4b85b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:01:59, skipping insertion in model container [2019-01-01 23:01:59,176 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:01:59,176 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:01:58" (2/3) ... [2019-01-01 23:01:59,177 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d4b85b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:01:59, skipping insertion in model container [2019-01-01 23:01:59,177 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:01:59,177 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:01:59" (3/3) ... [2019-01-01 23:01:59,179 INFO L375 chiAutomizerObserver]: Analyzing ICFG functions_true-unreach-call1_true-termination.i [2019-01-01 23:01:59,238 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:01:59,238 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:01:59,239 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:01:59,239 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:01:59,239 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:01:59,239 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:01:59,239 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:01:59,239 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:01:59,239 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:01:59,256 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-01-01 23:01:59,278 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-01-01 23:01:59,279 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:01:59,279 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:01:59,286 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-01 23:01:59,287 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-01 23:01:59,287 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:01:59,287 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-01-01 23:01:59,288 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-01-01 23:01:59,289 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:01:59,289 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:01:59,289 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-01 23:01:59,289 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-01-01 23:01:59,298 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0; 5#L13-2true [2019-01-01 23:01:59,299 INFO L796 eck$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 [2019-01-01 23:01:59,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:01:59,308 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-01-01 23:01:59,310 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:01:59,311 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:01:59,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:01:59,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:01:59,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:01:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:01:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:01:59,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:01:59,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2019-01-01 23:01:59,406 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:01:59,406 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:01:59,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:01:59,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:01:59,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:01:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:01:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:01:59,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:01:59,447 INFO L82 PathProgramCache]: Analyzing trace with hash 31074, now seen corresponding path program 1 times [2019-01-01 23:01:59,447 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:01:59,448 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:01:59,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:01:59,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:01:59,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:01:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:01:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:01:59,687 WARN L181 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-01-01 23:01:59,700 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:01:59,701 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:01:59,701 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:01:59,701 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:01:59,702 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:01:59,702 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:01:59,703 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:01:59,703 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:01:59,703 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Loop [2019-01-01 23:01:59,703 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:01:59,703 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:01:59,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:01:59,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:01:59,937 WARN L181 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-01-01 23:02:00,379 WARN L181 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-01-01 23:02:00,494 WARN L181 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2019-01-01 23:02:00,501 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:02:00,501 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 23:02:00,510 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:02:00,510 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:02:00,519 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:02:00,519 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 23:02:00,543 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:02:00,544 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 23:02:00,724 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:02:00,724 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:02:12,966 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-01 23:02:12,989 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:02:12,989 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:02:12,989 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:02:12,990 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:02:12,990 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:02:12,990 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:02:12,990 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:02:12,990 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:02:12,990 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Loop [2019-01-01 23:02:12,991 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:02:12,991 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:02:12,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:02:13,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:02:13,196 WARN L181 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-01-01 23:02:13,386 WARN L181 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2019-01-01 23:02:13,414 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:02:13,421 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:02:13,424 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:13,427 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:13,428 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:13,429 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:13,430 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:13,432 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:02:13,436 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:02:13,437 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:13,482 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:13,483 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:13,484 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:13,485 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:13,485 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:13,485 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:13,485 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:02:13,490 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:02:13,491 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:13,493 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:13,493 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-01 23:02:13,495 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:13,496 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:13,499 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:13,499 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:13,500 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:13,500 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:02:13,506 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:02:13,507 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:13,559 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:13,562 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:13,563 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:13,563 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:13,563 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:13,563 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:13,564 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:02:13,564 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:02:13,570 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:13,571 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:13,571 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-01 23:02:13,576 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:13,577 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:13,577 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:13,577 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:13,579 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:13,579 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:13,582 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:02:13,583 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:13,612 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:13,613 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:13,615 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:13,616 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:13,616 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:13,616 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:13,616 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:13,620 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:02:13,620 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:13,625 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:13,626 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-01 23:02:13,626 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:13,628 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:13,630 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:13,630 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:13,630 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:13,630 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:02:13,641 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:02:13,642 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:13,672 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:13,673 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:13,675 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:13,675 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:13,675 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:13,676 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:13,676 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:02:13,678 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:02:13,678 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:13,680 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:13,682 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-01 23:02:13,682 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:13,684 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:13,684 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:02:13,684 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:13,684 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:13,685 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:13,685 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:02:13,697 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:02:13,697 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:13,801 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:13,801 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:13,803 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:13,803 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:02:13,803 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:13,804 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:13,804 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:13,804 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:02:13,809 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:02:13,810 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:13,811 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:13,811 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-01 23:02:13,812 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:13,813 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:13,813 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:02:13,813 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:13,813 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:13,814 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:13,814 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:13,823 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:02:13,824 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:13,951 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:13,951 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:13,953 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:13,953 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:02:13,953 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:13,954 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:13,954 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:13,954 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:13,958 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:02:13,958 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:13,965 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:13,965 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-01 23:02:13,966 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 [2019-01-01 23:02:13,967 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:13,967 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:02:13,967 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:13,968 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:13,968 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:13,968 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:02:13,982 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:02:13,983 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:14,112 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:14,113 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:14,114 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:14,114 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:02:14,114 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:14,115 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:14,115 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:14,115 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:02:14,117 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:02:14,117 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:14,118 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:14,119 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-01 23:02:14,119 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 [2019-01-01 23:02:14,120 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:14,120 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:02:14,120 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:14,120 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:14,121 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:14,121 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:14,123 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:02:14,123 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:14,142 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:14,143 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:14,144 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:14,144 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:02:14,144 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:14,146 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:14,146 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:14,146 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:14,154 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:02:14,154 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:14,158 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:14,158 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-01 23:02:14,159 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:14,159 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:14,159 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:02:14,160 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:14,160 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:14,160 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:14,160 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:02:14,170 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:02:14,170 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:14,202 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:14,202 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:14,203 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:14,203 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:02:14,203 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:14,204 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:14,204 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:14,204 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:02:14,205 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:02:14,205 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:14,210 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:14,276 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:02:14,277 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:02:14,277 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:02:14,277 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:02:14,277 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:02:14,277 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:02:14,277 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:02:14,277 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:02:14,278 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Lasso [2019-01-01 23:02:14,278 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:02:14,278 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:02:14,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:02:14,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:02:14,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:02:14,481 WARN L181 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-01-01 23:02:15,092 WARN L181 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-01-01 23:02:15,344 WARN L181 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2019-01-01 23:02:15,346 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:02:15,347 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 23:02:15,355 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:02:15,355 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:02:15,359 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:02:15,359 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 23:02:15,380 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:02:15,380 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:02:15,399 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:02:15,399 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-01 23:02:15,436 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:02:15,436 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-01 23:02:15,501 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:02:15,501 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:02:27,767 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-01 23:02:27,790 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:02:27,790 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:02:27,791 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:02:27,791 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:02:27,791 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:02:27,791 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:02:27,791 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:02:27,791 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:02:27,791 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Lasso [2019-01-01 23:02:27,792 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:02:27,792 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:02:27,794 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:02:27,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:02:27,818 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:02:27,982 WARN L181 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-01-01 23:02:28,038 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:02:28,039 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:02:28,040 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:28,040 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:28,040 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:28,041 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,041 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,041 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:02:28,041 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:02:28,042 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:28,042 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,043 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:28,043 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:28,043 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:28,044 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,044 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,044 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:02:28,044 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:02:28,044 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:28,045 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,046 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:28,046 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:28,046 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,046 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,047 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:02:28,054 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:02:28,054 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 23:02:28,068 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,068 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-01 23:02:28,069 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:28,069 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:28,069 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:28,072 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,073 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,073 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:02:28,074 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:02:28,074 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:28,074 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,076 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:28,079 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:28,079 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:28,079 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,079 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,080 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:02:28,081 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:02:28,081 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:28,081 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,083 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:28,085 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:28,086 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,087 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,087 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:02:28,090 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 23:02:28,090 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 23:02:28,112 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,113 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-01 23:02:28,113 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:28,114 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:28,114 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:28,115 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,115 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,115 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:28,115 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:02:28,116 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:28,116 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,116 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:28,119 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:28,121 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:28,121 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,121 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,121 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:28,122 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:02:28,122 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:28,124 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,125 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:28,125 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:28,125 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,127 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,127 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:28,132 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 23:02:28,132 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 23:02:28,152 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,152 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-01 23:02:28,152 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:28,153 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:28,153 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:28,154 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,154 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,154 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:02:28,154 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:02:28,155 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:28,158 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,158 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:28,159 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:28,159 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:28,159 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,159 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,159 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:02:28,162 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:02:28,163 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:28,164 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,164 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:28,165 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:28,165 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,165 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,165 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:02:28,172 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-01 23:02:28,172 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-01 23:02:28,202 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,203 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-01 23:02:28,203 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:28,204 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:28,204 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:02:28,204 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:28,204 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,204 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,204 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:02:28,206 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:02:28,206 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:28,206 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,207 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:28,207 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:28,208 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:02:28,208 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:28,208 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,208 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,208 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:02:28,209 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:02:28,209 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:28,210 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,210 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:28,211 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:28,211 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:02:28,211 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,211 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,212 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:02:28,215 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 23:02:28,215 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 23:02:28,271 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,271 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-01 23:02:28,273 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:28,276 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:28,276 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:02:28,276 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:28,277 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,277 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,277 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:28,278 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:02:28,278 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:28,283 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,284 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:28,286 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:28,286 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:02:28,287 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:28,287 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,287 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,287 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:28,289 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:02:28,290 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:28,291 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,292 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:28,294 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:28,294 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:02:28,294 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,295 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,295 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:28,302 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 23:02:28,302 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 23:02:28,421 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,421 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-01 23:02:28,422 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:28,423 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:28,423 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:02:28,423 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:28,424 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,424 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,424 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:02:28,428 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:02:28,428 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:28,429 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,429 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:28,432 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:28,432 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:02:28,432 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:28,432 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,433 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,433 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:02:28,434 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:02:28,434 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:28,437 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,437 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:28,439 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:28,440 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:02:28,440 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,440 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,440 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:02:28,447 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-01 23:02:28,449 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-01 23:02:28,672 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,672 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-01 23:02:28,672 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:28,674 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:28,675 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:02:28,675 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:28,675 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,675 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,675 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:28,677 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:02:28,677 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:28,679 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,679 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:28,680 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:28,680 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:02:28,680 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:28,680 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,680 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,681 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:28,683 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:02:28,683 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:28,685 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,685 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:28,685 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:28,688 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:02:28,688 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,688 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,688 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:28,692 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 23:02:28,692 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 23:02:28,724 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,724 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-01 23:02:28,725 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:28,725 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:28,725 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:02:28,725 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:28,728 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,729 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,729 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:02:28,729 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:02:28,729 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:28,732 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,733 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:28,733 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:28,733 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:02:28,734 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:28,736 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,736 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,736 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:02:28,738 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:02:28,738 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:28,741 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,742 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 [2019-01-01 23:02:28,742 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:28,742 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:02:28,744 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:28,745 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:28,745 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:02:28,750 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-01-01 23:02:28,751 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-01-01 23:02:28,866 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:28,867 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2019-01-01 23:02:28,868 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret0, main_~x~0;main_~x~0 := 0; 5#L13-2true assume !!(main_~x~0 % 4294967296 < 268435455);f_#in~z := main_~x~0;havoc f_#res;havoc f_~z;f_~z := f_#in~z;f_#res := 2 + f_~z; 10#L9true main_#t~ret0 := f_#res;main_~x~0 := main_#t~ret0;havoc main_#t~ret0; 5#L13-2true [2019-01-01 23:02:28,870 INFO L796 eck$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 [2019-01-01 23:02:28,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:02:28,870 INFO L82 PathProgramCache]: Analyzing trace with hash 31074, now seen corresponding path program 2 times [2019-01-01 23:02:28,870 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:02:28,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:02:28,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:02:28,874 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:02:28,874 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:02:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:02:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:02:28,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:02:28,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 2 times [2019-01-01 23:02:28,888 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:02:28,888 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:02:28,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:02:28,890 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:02:28,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:02:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:02:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:02:28,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:02:28,897 INFO L82 PathProgramCache]: Analyzing trace with hash 29862436, now seen corresponding path program 3 times [2019-01-01 23:02:28,897 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:02:28,898 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:02:28,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:02:28,898 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-01-01 23:02:28,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:02:28,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:02:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:02:29,031 WARN L181 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-01-01 23:02:29,048 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:02:29,048 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:02:29,048 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:02:29,048 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:02:29,048 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:02:29,048 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:02:29,050 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:02:29,050 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:02:29,050 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Loop [2019-01-01 23:02:29,050 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:02:29,050 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:02:29,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:02:29,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:02:29,204 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:02:29,204 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-01 23:02:29,214 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:02:29,214 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 23:02:29,390 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:02:29,390 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:02:41,711 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-01 23:02:41,737 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:02:41,737 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:02:41,737 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:02:41,737 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:02:41,737 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:02:41,737 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:02:41,737 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:02:41,737 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:02:41,737 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Loop [2019-01-01 23:02:41,738 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:02:41,738 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:02:41,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:02:41,753 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:02:41,935 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:02:41,935 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:02:41,936 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:41,936 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:41,936 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:41,937 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:41,937 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:41,937 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:02:41,937 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:02:41,937 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:41,940 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:41,941 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:41,941 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:41,941 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:41,941 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:41,942 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:41,942 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:02:41,942 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:02:41,942 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:41,951 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:41,952 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-01 23:02:41,952 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:41,953 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:41,953 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:41,953 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:41,953 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:41,953 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:02:41,953 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:02:41,957 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:41,957 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:41,958 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:41,958 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:41,958 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:41,958 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:41,961 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:41,961 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:02:41,962 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:02:41,962 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:41,967 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:41,971 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-01 23:02:41,972 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:41,972 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:41,972 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:41,975 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:41,975 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:41,975 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:41,977 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:02:41,977 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:41,977 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:41,979 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 [2019-01-01 23:02:41,979 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:41,979 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:41,982 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:41,982 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:41,983 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:41,983 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:02:41,984 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:41,990 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:41,991 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-01 23:02:41,991 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:41,992 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:41,992 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:41,992 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:41,992 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:41,992 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:02:41,996 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:02:41,996 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:41,997 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:41,998 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:41,998 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:41,998 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:41,999 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:41,999 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:41,999 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:02:42,003 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:02:42,003 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:42,011 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:42,012 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-01 23:02:42,012 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:42,013 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:42,016 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:02:42,016 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:42,016 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:42,016 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:42,017 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:02:42,019 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:02:42,019 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:42,021 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:42,021 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:42,024 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:42,024 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:02:42,024 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:42,024 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:42,025 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:42,026 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:02:42,028 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:02:42,028 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:42,049 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:42,049 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-01 23:02:42,049 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:42,050 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:42,050 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:02:42,050 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:42,050 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:42,050 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:42,051 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:42,055 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:02:42,055 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:42,056 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:42,057 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:42,058 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:42,062 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:02:42,062 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:42,062 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:42,062 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:42,062 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:42,065 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:02:42,065 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:42,096 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:42,096 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-01 23:02:42,096 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:42,097 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:42,097 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:02:42,097 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:42,097 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:42,098 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:42,098 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:02:42,099 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:02:42,100 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:42,100 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:42,101 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:42,101 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:42,101 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:02:42,101 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:42,102 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:42,102 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:42,102 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:02:42,107 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:02:42,108 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:42,170 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:42,170 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-01 23:02:42,170 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:42,171 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:42,171 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:02:42,171 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:42,171 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:42,171 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:42,171 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:42,172 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:02:42,172 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:42,175 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:42,175 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:42,176 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:42,176 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:02:42,176 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:42,176 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:42,177 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:42,177 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:42,179 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:02:42,179 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:42,197 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:42,197 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-01 23:02:42,198 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:42,198 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:42,199 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:02:42,199 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:42,199 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:42,199 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:42,199 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:02:42,201 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:02:42,201 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:42,203 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:42,204 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:42,205 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:42,205 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:02:42,205 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:42,205 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:42,205 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:42,205 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:02:42,209 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:02:42,209 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:42,240 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:42,539 WARN L181 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 14 [2019-01-01 23:02:42,651 WARN L181 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-01-01 23:02:42,664 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:02:42,664 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:02:42,664 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:02:42,664 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:02:42,664 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:02:42,664 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:02:42,665 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:02:42,665 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:02:42,665 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Lasso [2019-01-01 23:02:42,665 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:02:42,665 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:02:42,667 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:02:42,782 WARN L181 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-01-01 23:02:42,907 WARN L181 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-01-01 23:02:42,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:02:42,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:02:43,150 WARN L181 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-01-01 23:02:43,518 WARN L181 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 27 [2019-01-01 23:02:43,604 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:02:43,604 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 23:02:43,613 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:02:43,613 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2019-01-01 23:02:43,669 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:02:43,669 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:02:56,315 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2019-01-01 23:02:56,339 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:02:56,339 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:02:56,339 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:02:56,339 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:02:56,339 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:02:56,340 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:02:56,340 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:02:56,340 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:02:56,340 INFO L131 ssoRankerPreferences]: Filename of dumped script: functions_true-unreach-call1_true-termination.i_Iteration1_Lasso [2019-01-01 23:02:56,340 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:02:56,340 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:02:56,342 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:02:56,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:02:56,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:02:56,603 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:02:56,603 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:02:56,604 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:56,605 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:56,605 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:56,605 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:56,605 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:56,606 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:02:56,606 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:02:56,606 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:56,607 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:56,607 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:56,608 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:56,608 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:56,608 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:56,608 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:02:56,610 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:02:56,610 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-01-01 23:02:56,626 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:56,627 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:56,627 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:56,627 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:56,627 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:56,628 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:56,628 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:02:56,628 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:02:56,628 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:56,629 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:56,629 INFO L497 LassoAnalysis]: Using template '2-nested'. [2019-01-01 23:02:56,629 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:56,629 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:56,629 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:56,630 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:56,630 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:56,630 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:02:56,630 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:02:56,630 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:56,630 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:56,631 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:56,631 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:56,631 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:56,631 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:56,631 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:02:56,634 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 23:02:56,634 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 23:02:56,665 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:56,665 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:56,666 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:56,666 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:56,666 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:56,666 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:56,666 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:02:56,667 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:02:56,667 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:56,667 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:56,667 INFO L497 LassoAnalysis]: Using template '3-nested'. [2019-01-01 23:02:56,668 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:56,670 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:56,670 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:56,670 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:56,670 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:56,670 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:56,671 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:02:56,671 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:56,671 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:56,672 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:56,672 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:56,672 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:56,672 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:56,673 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:56,679 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 23:02:56,679 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 23:02:56,711 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:56,711 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:56,711 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:56,712 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:56,712 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:56,712 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:56,712 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:56,712 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:02:56,712 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:56,713 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:56,713 INFO L497 LassoAnalysis]: Using template '4-nested'. [2019-01-01 23:02:56,713 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:56,713 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:56,719 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:56,720 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:56,720 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:56,720 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:02:56,720 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:02:56,720 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:56,723 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:56,723 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:56,724 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:56,725 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:56,725 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:56,725 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:02:56,732 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-01 23:02:56,733 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-01 23:02:56,781 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:56,781 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:56,782 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:02:56,782 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:56,782 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:56,783 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:56,783 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:02:56,783 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:02:56,783 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:56,793 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:56,793 INFO L497 LassoAnalysis]: Using template '2-phase'. [2019-01-01 23:02:56,793 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 [2019-01-01 23:02:56,797 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:56,797 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:02:56,797 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:56,797 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:56,797 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:56,798 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:02:56,798 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:02:56,798 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:56,799 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:56,801 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:56,804 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:56,804 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:02:56,804 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:56,804 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:56,805 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:02:56,809 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2019-01-01 23:02:56,809 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2019-01-01 23:02:57,010 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:57,011 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:57,014 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:57,014 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:02:57,014 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:57,015 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:57,015 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:57,015 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2019-01-01 23:02:57,015 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2019-01-01 23:02:57,016 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:57,016 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:57,017 INFO L497 LassoAnalysis]: Using template '3-phase'. [2019-01-01 23:02:57,022 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 [2019-01-01 23:02:57,023 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:57,023 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:02:57,023 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:57,024 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:57,024 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:57,024 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:57,029 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:02:57,029 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:57,030 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:57,032 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:57,033 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:57,033 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:02:57,033 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:57,033 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:57,034 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:57,043 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 23:02:57,045 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 23:02:57,702 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:57,703 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:57,703 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:57,703 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2019-01-01 23:02:57,706 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:57,707 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:57,707 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:57,707 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:57,709 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:02:57,709 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:57,710 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:57,710 INFO L497 LassoAnalysis]: Using template '4-phase'. [2019-01-01 23:02:57,720 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 [2019-01-01 23:02:57,721 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:57,721 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:02:57,721 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:57,721 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:57,721 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:57,721 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:02:57,727 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:02:57,728 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:57,728 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:57,729 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:57,735 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:57,736 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:02:57,736 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:57,736 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:57,736 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:02:57,741 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2019-01-01 23:02:57,742 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2019-01-01 23:02:59,264 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:59,264 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:59,267 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:59,267 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:02:59,267 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:59,268 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:59,268 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:59,268 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2019-01-01 23:02:59,271 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2019-01-01 23:02:59,271 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:59,272 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:59,272 INFO L497 LassoAnalysis]: Using template '2-lex'. [2019-01-01 23:02:59,272 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:59,272 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:59,273 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:02:59,273 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:59,273 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:59,273 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:59,273 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:59,273 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:02:59,273 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:59,280 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:59,281 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:59,284 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:59,284 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:02:59,284 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:59,284 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:59,284 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:59,290 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2019-01-01 23:02:59,291 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 23:02:59,424 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:59,425 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:59,425 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:59,425 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2019-01-01 23:02:59,426 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:59,426 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:59,426 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:59,426 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2019-01-01 23:02:59,431 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-01-01 23:02:59,433 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:59,436 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:59,437 INFO L497 LassoAnalysis]: Using template '3-lex'. [2019-01-01 23:02:59,439 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:59,439 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:59,439 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:02:59,439 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:59,440 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:59,440 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:59,440 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:02:59,440 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:02:59,440 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:59,447 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:59,448 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:59,448 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:59,448 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:02:59,450 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:59,450 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:59,450 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:02:59,456 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2019-01-01 23:02:59,457 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2019-01-01 23:02:59,898 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:59,898 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:02:59,901 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2019-01-01 23:02:59,901 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2019-01-01 23:02:59,901 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:02:59,901 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:02:59,902 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:02:59,902 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2019-01-01 23:02:59,902 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-01-01 23:02:59,902 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:02:59,907 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:02:59,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:02:59 BoogieIcfgContainer [2019-01-01 23:02:59,915 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:02:59,915 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:02:59,915 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:02:59,915 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:02:59,916 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:01:59" (3/4) ... [2019-01-01 23:02:59,922 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 23:02:59,923 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:02:59,924 INFO L168 Benchmark]: Toolchain (without parser) took 61386.60 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 383.3 MB). Free memory was 951.4 MB in the beginning and 1.2 GB in the end (delta: -247.0 MB). Peak memory consumption was 136.3 MB. Max. memory is 11.5 GB. [2019-01-01 23:02:59,926 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:02:59,928 INFO L168 Benchmark]: CACSL2BoogieTranslator took 262.02 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 23:02:59,929 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.27 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:02:59,930 INFO L168 Benchmark]: Boogie Preprocessor took 21.45 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:02:59,930 INFO L168 Benchmark]: RCFGBuilder took 311.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -171.4 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2019-01-01 23:02:59,933 INFO L168 Benchmark]: BuchiAutomizer took 60744.54 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 248.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -86.4 MB). Peak memory consumption was 461.3 MB. Max. memory is 11.5 GB. [2019-01-01 23:02:59,936 INFO L168 Benchmark]: Witness Printer took 7.55 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:02:59,941 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 262.02 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 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 34.27 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.45 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 311.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -171.4 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 60744.54 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 248.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -86.4 MB). Peak memory consumption was 461.3 MB. Max. memory is 11.5 GB. * Witness Printer took 7.55 ms. Allocated memory is still 1.4 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 60.6s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 60.6s. 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: 449ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 25.2s - 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...