./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/loop-acceleration/simple_true-unreach-call3_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 91b1670e 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/simple_true-unreach-call3_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 d57e8ddb55bdff7b186468e47377e815829f9014 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:43:04,326 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:43:04,328 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:43:04,340 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:43:04,341 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:43:04,342 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:43:04,343 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:43:04,345 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:43:04,353 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:43:04,354 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:43:04,355 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:43:04,355 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:43:04,359 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:43:04,361 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:43:04,363 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:43:04,363 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:43:04,365 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:43:04,369 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:43:04,376 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:43:04,380 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:43:04,381 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:43:04,388 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:43:04,390 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:43:04,391 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:43:04,391 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:43:04,392 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:43:04,393 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:43:04,394 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:43:04,394 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:43:04,395 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:43:04,396 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:43:04,396 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:43:04,397 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:43:04,397 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:43:04,398 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:43:04,398 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:43:04,399 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 23:43:04,416 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:43:04,416 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:43:04,417 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:43:04,418 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:43:04,418 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:43:04,418 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 23:43:04,418 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 23:43:04,418 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 23:43:04,418 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 23:43:04,419 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 23:43:04,419 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 23:43:04,419 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:43:04,419 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:43:04,419 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:43:04,419 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:43:04,420 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:43:04,420 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:43:04,420 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 23:43:04,420 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 23:43:04,420 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 23:43:04,420 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:43:04,421 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:43:04,421 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 23:43:04,421 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:43:04,421 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 23:43:04,421 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:43:04,422 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:43:04,422 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 23:43:04,422 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:43:04,422 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:43:04,422 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 23:43:04,423 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 23:43:04,423 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 -> d57e8ddb55bdff7b186468e47377e815829f9014 [2018-11-28 23:43:04,462 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:43:04,478 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:43:04,484 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:43:04,486 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:43:04,486 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:43:04,488 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-acceleration/simple_true-unreach-call3_true-termination.i [2018-11-28 23:43:04,567 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c889790d5/69d4489ee4f049bba06b75a1c36407ac/FLAG8bafb86e3 [2018-11-28 23:43:05,063 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:43:05,064 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-acceleration/simple_true-unreach-call3_true-termination.i [2018-11-28 23:43:05,071 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c889790d5/69d4489ee4f049bba06b75a1c36407ac/FLAG8bafb86e3 [2018-11-28 23:43:05,425 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c889790d5/69d4489ee4f049bba06b75a1c36407ac [2018-11-28 23:43:05,429 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:43:05,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:43:05,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:43:05,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:43:05,436 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:43:05,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:43:05" (1/1) ... [2018-11-28 23:43:05,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c5edb8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:05, skipping insertion in model container [2018-11-28 23:43:05,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:43:05" (1/1) ... [2018-11-28 23:43:05,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:43:05,470 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:43:05,694 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:43:05,703 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:43:05,723 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:43:05,745 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:43:05,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:05 WrapperNode [2018-11-28 23:43:05,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:43:05,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:43:05,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:43:05,747 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:43:05,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:05" (1/1) ... [2018-11-28 23:43:05,764 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:05" (1/1) ... [2018-11-28 23:43:05,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:43:05,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:43:05,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:43:05,789 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:43:05,802 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:05" (1/1) ... [2018-11-28 23:43:05,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:05" (1/1) ... [2018-11-28 23:43:05,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:05" (1/1) ... [2018-11-28 23:43:05,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:05" (1/1) ... [2018-11-28 23:43:05,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:05" (1/1) ... [2018-11-28 23:43:05,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:05" (1/1) ... [2018-11-28 23:43:05,822 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:05" (1/1) ... [2018-11-28 23:43:05,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:43:05,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:43:05,833 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:43:05,833 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:43:05,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:05" (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 [2018-11-28 23:43:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:43:05,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:43:06,169 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:43:06,169 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-28 23:43:06,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:43:06 BoogieIcfgContainer [2018-11-28 23:43:06,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:43:06,170 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 23:43:06,171 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 23:43:06,174 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 23:43:06,175 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:43:06,175 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:43:05" (1/3) ... [2018-11-28 23:43:06,177 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72ab5a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:43:06, skipping insertion in model container [2018-11-28 23:43:06,177 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:43:06,177 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:05" (2/3) ... [2018-11-28 23:43:06,177 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72ab5a17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:43:06, skipping insertion in model container [2018-11-28 23:43:06,178 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 23:43:06,178 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:43:06" (3/3) ... [2018-11-28 23:43:06,179 INFO L375 chiAutomizerObserver]: Analyzing ICFG simple_true-unreach-call3_true-termination.i [2018-11-28 23:43:06,240 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:43:06,241 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 23:43:06,241 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 23:43:06,241 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 23:43:06,241 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:43:06,241 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:43:06,241 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 23:43:06,241 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:43:06,242 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 23:43:06,257 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 23:43:06,282 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 23:43:06,282 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:43:06,282 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:43:06,288 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:43:06,288 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 23:43:06,288 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 23:43:06,289 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2018-11-28 23:43:06,290 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2018-11-28 23:43:06,290 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 23:43:06,290 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 23:43:06,290 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1] [2018-11-28 23:43:06,291 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1] [2018-11-28 23:43:06,299 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~N~0;main_~x~0 := 0;main_~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 3#L12-2true [2018-11-28 23:43:06,300 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 3#L12-2true [2018-11-28 23:43:06,306 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:43:06,307 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2018-11-28 23:43:06,309 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:43:06,310 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:43:06,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:06,364 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:43:06,364 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:06,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:06,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:43:06,414 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2018-11-28 23:43:06,414 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:43:06,414 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:43:06,416 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:06,417 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:43:06,417 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:06,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:06,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:43:06,434 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2018-11-28 23:43:06,434 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:43:06,435 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:43:06,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:06,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:43:06,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:06,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:06,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:06,624 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:06,625 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:06,626 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:06,626 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:06,626 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:43:06,626 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:06,626 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:06,626 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:06,627 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-28 23:43:06,627 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:06,627 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:06,651 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:06,914 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-11-28 23:43:07,020 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:07,021 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) [2018-11-28 23:43:07,033 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:43:07,033 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2018-11-28 23:43:07,086 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:43:07,086 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:19,219 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 23:43:19,227 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:19,227 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:19,227 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:19,227 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:19,228 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:43:19,228 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:19,228 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:19,228 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:19,228 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-28 23:43:19,228 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:19,228 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:19,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:19,560 WARN L180 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-11-28 23:43:19,653 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:19,659 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:43:19,661 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:19,663 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:19,663 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:19,665 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:19,665 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:19,665 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:19,669 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:43:19,670 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:19,688 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:19,688 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:43:19,689 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:19,690 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:19,690 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:19,690 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:19,691 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:19,691 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:19,694 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:19,695 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:19,724 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:19,731 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:43:19,732 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:19,733 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:19,733 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:19,733 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:19,733 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:19,733 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:19,737 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:19,737 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:19,767 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:19,769 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:43:19,771 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:19,772 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:19,772 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:19,772 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:19,772 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:19,773 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:19,779 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:19,779 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:19,819 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:19,819 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:43:19,820 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:19,821 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:19,821 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:19,821 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:19,824 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:19,824 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:19,824 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:19,835 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:19,835 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:19,902 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:19,903 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:43:19,903 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:19,904 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:19,904 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:19,905 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:19,905 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:19,905 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:19,905 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:19,920 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:19,920 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:19,987 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:19,987 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:43:19,987 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:19,990 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:19,990 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:19,990 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:19,990 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:19,991 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:19,991 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:19,997 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:19,998 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:20,091 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:20,092 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:43:20,092 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:20,095 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:20,096 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:20,096 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:20,097 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:20,097 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:20,097 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:20,100 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:20,102 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:20,135 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:20,137 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:43:20,137 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:20,138 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:20,138 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:20,138 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:20,139 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:20,139 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:20,139 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:20,148 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:20,148 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:20,174 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:20,299 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:20,299 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:20,300 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:20,300 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:20,300 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:43:20,300 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:20,300 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:20,300 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:20,300 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-28 23:43:20,302 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:20,302 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:20,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:20,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:20,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:20,674 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-11-28 23:43:20,723 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:20,724 INFO L412 LassoAnalysis]: Checking for nontermination... 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 [2018-11-28 23:43:20,730 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:43:20,730 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:43:20,738 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:43:20,738 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 [2018-11-28 23:43:20,760 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:43:20,760 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 [2018-11-28 23:43:20,798 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:43:20,798 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:43:32,909 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 23:43:32,917 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:32,917 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:32,917 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:32,918 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:32,918 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:43:32,918 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:32,918 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:32,918 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:32,919 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-28 23:43:32,919 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:32,919 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:32,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:32,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:32,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:33,226 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-11-28 23:43:33,543 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-11-28 23:43:33,551 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:33,551 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:43:33,552 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,552 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:33,552 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,553 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,553 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:33,556 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:33,556 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:43:33,568 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,569 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,570 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:33,570 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,570 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,570 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,570 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:33,571 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:43:33,571 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,571 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,572 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,572 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:33,572 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,573 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,573 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,573 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:33,573 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:43:33,574 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,574 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,574 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:43:33,575 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,575 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:33,575 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,576 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,576 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:33,579 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:43:33,579 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:43:33,605 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,607 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,608 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:33,608 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,610 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,611 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,611 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:33,611 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:33,611 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,612 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,613 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,615 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:33,616 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,616 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,617 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,617 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:33,617 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:33,617 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,619 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,620 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:43:33,620 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,621 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:33,622 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,623 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,623 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:33,633 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:43:33,637 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:43:33,665 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,670 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,671 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:33,671 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,672 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,675 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,675 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:33,677 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:33,678 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,679 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,680 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,681 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:33,681 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,683 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,683 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,683 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:33,683 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:33,684 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,684 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,686 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:43:33,687 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,689 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:33,690 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,691 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,691 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:33,696 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:43:33,697 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:43:33,722 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,724 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,725 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:33,726 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,726 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,726 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,726 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:33,727 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:33,727 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,728 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,731 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,733 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:33,733 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,734 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,734 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,734 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:33,734 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:33,736 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,737 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,737 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:43:33,738 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,738 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:33,739 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:33,739 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,739 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,739 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:33,742 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:43:33,742 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:43:33,796 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,796 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,797 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:33,797 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:33,797 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,798 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,798 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,798 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:33,800 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:33,800 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,801 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,803 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,804 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:33,804 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:33,804 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,805 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,805 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,805 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:33,806 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:33,806 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,807 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,808 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:43:33,808 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,809 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:33,809 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:33,809 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,809 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,809 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:33,813 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:43:33,813 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:43:33,886 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,887 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,887 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:33,888 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:33,888 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,888 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,888 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,888 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:33,889 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:33,890 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,898 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,899 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,900 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:33,900 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:33,900 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:33,900 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,900 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,902 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:33,903 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:33,903 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:33,904 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:33,904 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:43:33,905 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:33,905 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:33,906 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:33,906 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:33,906 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:33,906 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:33,918 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:43:33,919 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:43:34,049 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,050 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:34,050 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:34,051 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:34,051 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:34,051 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:34,051 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:34,051 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:34,055 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:34,055 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:34,056 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,057 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:34,058 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:34,058 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:34,058 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:34,058 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:34,058 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:34,059 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:34,060 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:34,060 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:34,061 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,061 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:43:34,061 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:34,063 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:34,063 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:34,063 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:34,063 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:34,063 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:34,067 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:43:34,067 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:43:34,101 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,102 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:34,102 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:34,103 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:34,103 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:34,103 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:34,103 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:34,103 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:34,104 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:34,104 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:34,107 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,107 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:34,109 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:34,109 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:34,110 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:34,110 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:34,110 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:34,110 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:34,111 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:34,111 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:34,112 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,112 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:43:34,113 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 [2018-11-28 23:43:34,113 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:34,113 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:34,114 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:34,114 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:34,114 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:34,126 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 23:43:34,127 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 23:43:34,221 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,221 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:34,222 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:34,222 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:34,222 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:34,222 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:34,222 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:34,223 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:34,224 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:34,224 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:34,226 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,227 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:34,228 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:34,228 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:34,228 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:34,228 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:34,230 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:34,230 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:34,230 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:34,231 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:34,233 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:34,233 INFO L488 BuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2018-11-28 23:43:34,234 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~N~0;main_~x~0 := 0;main_~N~0 := main_#t~nondet0;havoc main_#t~nondet0; 3#L12-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 3#L12-2true [2018-11-28 23:43:34,234 INFO L796 eck$LassoCheckResult]: Loop: 3#L12-2true assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0; 3#L12-2true [2018-11-28 23:43:34,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:43:34,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 2 times [2018-11-28 23:43:34,234 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:43:34,234 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:43:34,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:34,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:43:34,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:34,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:43:34,248 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 2 times [2018-11-28 23:43:34,249 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:43:34,249 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:43:34,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:34,249 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:43:34,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:34,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:43:34,255 INFO L82 PathProgramCache]: Analyzing trace with hash 31072, now seen corresponding path program 3 times [2018-11-28 23:43:34,255 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:43:34,258 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:43:34,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:34,261 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 23:43:34,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:43:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:43:34,434 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:34,434 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:34,434 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:34,434 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:34,434 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:43:34,434 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:34,435 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:34,435 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:34,435 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-28 23:43:34,435 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:34,435 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:34,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:35,053 WARN L180 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-11-28 23:43:35,311 WARN L180 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-11-28 23:43:35,313 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:35,313 INFO L412 LassoAnalysis]: Checking for nontermination... 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) [2018-11-28 23:43:35,321 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:43:35,322 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) [2018-11-28 23:43:35,376 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:43:35,376 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 [2018-11-28 23:43:47,472 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 23:43:47,479 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:47,479 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:47,479 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:47,480 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:47,480 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:43:47,480 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:47,480 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:47,480 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:47,480 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Loop [2018-11-28 23:43:47,480 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:47,480 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:47,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:47,892 WARN L180 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-11-28 23:43:47,935 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:47,936 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:43:47,937 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:47,938 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:47,938 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:47,938 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:47,938 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:47,938 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:43:47,939 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:43:47,939 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:47,942 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:47,942 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:43:47,943 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:47,943 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:47,943 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:47,944 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:47,944 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:47,944 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:47,945 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:47,945 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:47,948 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:47,949 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:43:47,949 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:47,949 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:47,950 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:47,950 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:47,950 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:47,950 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:47,951 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:47,951 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:47,959 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:47,959 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:43:47,959 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:47,960 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:43:47,960 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:47,960 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:47,960 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:47,960 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:47,961 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:47,961 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:47,970 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:47,970 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:43:47,971 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:47,972 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:47,972 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:47,972 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:47,972 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:47,972 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:47,972 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:43:47,977 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:43:47,977 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:47,988 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:47,988 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:43:47,989 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:47,990 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:47,990 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:43:47,990 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:47,990 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:47,991 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:47,991 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:47,995 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:47,995 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:48,016 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:48,017 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:43:48,017 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:48,020 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:48,020 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:48,020 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:48,020 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:48,020 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:48,021 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:43:48,025 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:43:48,025 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:48,061 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:48,062 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:43:48,062 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:43:48,062 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:48,065 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:43:48,065 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:48,065 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:48,065 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:48,065 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:43:48,068 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:43:48,068 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:48,075 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:48,075 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:43:48,076 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 [2018-11-28 23:43:48,077 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:43:48,077 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:43:48,077 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:43:48,077 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:43:48,078 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:43:48,078 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:43:48,082 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:43:48,083 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:43:48,100 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:43:48,281 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-28 23:43:48,368 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:43:48,368 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:43:48,368 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:43:48,368 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:43:48,369 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2018-11-28 23:43:48,369 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:48,369 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:43:48,369 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:43:48,369 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-28 23:43:48,369 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:43:48,369 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:43:48,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:48,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:48,427 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:43:48,972 WARN L180 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2018-11-28 23:43:49,187 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 27 [2018-11-28 23:43:49,233 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:43:49,234 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) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:43:49,237 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:43:49,238 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:43:49,242 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:43:49,244 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 [2018-11-28 23:43:49,266 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:43:49,266 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:43:49,269 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2018-11-28 23:43:49,269 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /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 [2018-11-28 23:43:49,291 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2018-11-28 23:43:49,291 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 [2018-11-28 23:43:49,349 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2018-11-28 23:43:49,350 INFO L163 nArgumentSynthesizer]: Using integer mode. [2018-11-28 23:44:01,443 INFO L450 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2018-11-28 23:44:01,451 INFO L216 LassoAnalysis]: Preferences: [2018-11-28 23:44:01,452 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-28 23:44:01,452 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-28 23:44:01,452 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-28 23:44:01,452 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-28 23:44:01,452 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-28 23:44:01,452 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-28 23:44:01,452 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-28 23:44:01,452 INFO L131 ssoRankerPreferences]: Filename of dumped script: simple_true-unreach-call3_true-termination.i_Iteration1_Lasso [2018-11-28 23:44:01,453 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-28 23:44:01,453 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-28 23:44:01,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:44:01,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:44:01,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-28 23:44:01,769 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-28 23:44:01,770 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-28 23:44:01,770 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:01,771 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:44:01,771 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:44:01,771 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:01,771 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:01,771 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:44:01,772 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:44:01,772 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:44:01,772 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:01,773 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:01,773 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:44:01,773 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:01,773 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:01,773 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:44:01,775 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:44:01,775 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-28 23:44:01,783 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:01,784 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:01,784 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:44:01,785 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:44:01,785 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:01,785 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:01,785 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-28 23:44:01,785 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-28 23:44:01,785 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:44:01,786 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:01,786 INFO L497 LassoAnalysis]: Using template '2-nested'. [2018-11-28 23:44:01,786 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:01,787 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:44:01,787 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:44:01,787 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:01,787 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:01,787 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:44:01,787 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:44:01,787 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:44:01,788 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:01,788 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:01,788 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:44:01,789 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:01,789 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:01,789 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:44:01,791 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:44:01,791 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:44:01,804 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:01,804 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:01,805 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:44:01,805 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:44:01,805 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:01,805 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:01,805 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:44:01,805 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:44:01,806 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:44:01,806 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:01,806 INFO L497 LassoAnalysis]: Using template '3-nested'. [2018-11-28 23:44:01,806 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:01,807 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:44:01,807 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:44:01,807 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:01,807 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:01,807 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:44:01,808 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:44:01,808 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:44:01,808 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:01,808 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:01,809 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:44:01,809 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:01,810 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:01,810 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:44:01,812 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:44:01,812 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:44:01,840 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:01,841 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:01,841 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:44:01,841 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:44:01,844 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:01,845 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:01,845 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:44:01,846 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:44:01,846 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:44:01,846 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:01,846 INFO L497 LassoAnalysis]: Using template '4-nested'. [2018-11-28 23:44:01,848 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:01,849 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:44:01,849 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:44:01,849 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:01,849 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:01,849 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:44:01,853 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:44:01,853 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:44:01,853 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:01,854 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:01,854 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:44:01,854 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:01,857 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:01,857 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:44:01,861 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:44:01,862 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:44:01,887 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:01,888 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:01,888 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-28 23:44:01,888 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:44:01,888 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:01,889 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:01,889 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:44:01,889 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:44:01,889 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:44:01,890 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:01,893 INFO L497 LassoAnalysis]: Using template '2-phase'. [2018-11-28 23:44:01,894 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:01,894 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:44:01,895 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:44:01,897 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:44:01,897 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:01,897 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:01,898 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:44:01,898 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:44:01,898 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:44:01,899 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:01,899 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:01,899 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:44:01,904 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:44:01,904 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:01,904 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:01,904 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:44:01,908 INFO L402 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2018-11-28 23:44:01,908 INFO L403 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2018-11-28 23:44:01,952 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:01,956 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:01,957 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:44:01,957 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:44:01,957 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:44:01,957 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:01,957 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:01,957 INFO L207 nArgumentSynthesizer]: 3 template conjuncts. [2018-11-28 23:44:01,958 INFO L402 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2018-11-28 23:44:01,958 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:44:01,958 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:01,958 INFO L497 LassoAnalysis]: Using template '3-phase'. [2018-11-28 23:44:01,963 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:01,964 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:44:01,964 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:44:01,964 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:44:01,964 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:01,964 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:01,964 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:44:01,969 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:44:01,969 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:44:01,971 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:01,971 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:01,975 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:44:01,975 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:44:01,975 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:01,975 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:01,975 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:44:01,980 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:44:01,981 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:44:02,103 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:02,104 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:02,107 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:44:02,107 INFO L339 nArgumentSynthesizer]: Template has degree 2. [2018-11-28 23:44:02,108 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:44:02,108 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:02,108 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:02,108 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:44:02,109 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:44:02,109 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:44:02,113 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:02,113 INFO L497 LassoAnalysis]: Using template '4-phase'. [2018-11-28 23:44:02,113 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 [2018-11-28 23:44:02,114 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:44:02,114 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:44:02,114 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:44:02,114 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:02,115 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:02,120 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:44:02,121 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:44:02,121 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:44:02,123 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:02,124 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:02,124 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:44:02,125 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:44:02,125 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:02,125 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:02,125 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:44:02,134 INFO L402 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2018-11-28 23:44:02,134 INFO L403 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2018-11-28 23:44:02,301 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:02,301 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:02,302 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:44:02,302 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:44:02,302 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:44:02,302 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:02,302 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:02,306 INFO L207 nArgumentSynthesizer]: 5 template conjuncts. [2018-11-28 23:44:02,308 INFO L402 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2018-11-28 23:44:02,309 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:44:02,309 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:02,309 INFO L497 LassoAnalysis]: Using template '2-lex'. [2018-11-28 23:44:02,310 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:02,310 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:44:02,310 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:44:02,310 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:44:02,315 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:02,315 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:02,315 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:44:02,315 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:44:02,315 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:44:02,318 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:02,319 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:02,319 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:44:02,319 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:44:02,320 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:02,320 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:02,320 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:44:02,326 INFO L402 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2018-11-28 23:44:02,326 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-28 23:44:02,366 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:02,367 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:02,368 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:44:02,368 INFO L339 nArgumentSynthesizer]: Template has degree 1. [2018-11-28 23:44:02,368 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:44:02,368 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:02,368 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:02,368 INFO L207 nArgumentSynthesizer]: 4 template conjuncts. [2018-11-28 23:44:02,372 INFO L402 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2018-11-28 23:44:02,372 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:44:02,373 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:02,373 INFO L497 LassoAnalysis]: Using template '3-lex'. [2018-11-28 23:44:02,373 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:02,377 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:44:02,377 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:44:02,378 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:44:02,378 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:02,378 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:02,378 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:44:02,382 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:44:02,382 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:44:02,385 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:02,385 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:02,386 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:44:02,386 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:44:02,386 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:02,386 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:02,386 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:44:02,397 INFO L402 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2018-11-28 23:44:02,398 INFO L403 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2018-11-28 23:44:02,576 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:02,577 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2018-11-28 23:44:02,577 WARN L334 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2018-11-28 23:44:02,577 INFO L339 nArgumentSynthesizer]: Template has degree 3. [2018-11-28 23:44:02,580 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-28 23:44:02,581 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-28 23:44:02,581 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-28 23:44:02,581 INFO L207 nArgumentSynthesizer]: 6 template conjuncts. [2018-11-28 23:44:02,583 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-28 23:44:02,583 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-28 23:44:02,585 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-28 23:44:02,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:44:02 BoogieIcfgContainer [2018-11-28 23:44:02,609 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 23:44:02,609 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:44:02,610 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:44:02,610 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:44:02,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:43:06" (3/4) ... [2018-11-28 23:44:02,622 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-28 23:44:02,622 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:44:02,623 INFO L168 Benchmark]: Toolchain (without parser) took 57193.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 198.2 MB). Free memory was 952.7 MB in the beginning and 918.0 MB in the end (delta: 34.7 MB). Peak memory consumption was 232.9 MB. Max. memory is 11.5 GB. [2018-11-28 23:44:02,629 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-11-28 23:44:02,632 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.39 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:44:02,633 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.17 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:44:02,633 INFO L168 Benchmark]: Boogie Preprocessor took 43.57 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:44:02,634 INFO L168 Benchmark]: RCFGBuilder took 337.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -138.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-28 23:44:02,640 INFO L168 Benchmark]: BuchiAutomizer took 56438.62 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 98.6 MB). Free memory was 1.1 GB in the beginning and 918.0 MB in the end (delta: 162.1 MB). Peak memory consumption was 345.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:44:02,642 INFO L168 Benchmark]: Witness Printer took 12.61 ms. Allocated memory is still 1.2 GB. Free memory is still 918.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:44:02,648 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 314.39 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 942.0 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 41.17 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.57 ms. Allocated memory is still 1.0 GB. Free memory is still 942.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 337.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -138.1 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 56438.62 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 98.6 MB). Free memory was 1.1 GB in the beginning and 918.0 MB in the end (delta: 162.1 MB). Peak memory consumption was 345.7 MB. Max. memory is 11.5 GB. * Witness Printer took 12.61 ms. Allocated memory is still 1.2 GB. Free memory is still 918.0 MB. 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 56.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 56.3s. 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: inital18 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div644 bol100 ite100 ukn100 eq141 hnf42 smp89 dnf100 smp100 tf102 neg100 sie104 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 190ms VariablesStem: 4 VariablesLoop: 7 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 6 MotzkinApplications: 18 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 24.3s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~N~0;main_~x~0 := 0;main_~N~0 := main_#t~nondet0;havoc main_#t~nondet0;" "assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0;" Loop: "assume !!(main_~x~0 % 4294967296 < main_~N~0 % 65536 % 4294967296);main_~x~0 := 2 + main_~x~0;" RESULT: Ultimate could not prove your program: unable to determine termination Received shutdown request...