./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/recursive/EvenOdd03_false-unreach-call_true-no-overflow_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2e94e6aa Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i /storage/repos/svcomp/c/recursive/EvenOdd03_false-unreach-call_true-no-overflow_true-termination.c -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 f3d619d2c1c3b5319c1ba41a41e084c9947cb440 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-2e94e6a [2019-01-01 23:53:39,269 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-01 23:53:39,271 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-01 23:53:39,283 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-01 23:53:39,283 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-01 23:53:39,284 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-01 23:53:39,285 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-01 23:53:39,287 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-01 23:53:39,289 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-01 23:53:39,290 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-01 23:53:39,291 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-01 23:53:39,291 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-01 23:53:39,292 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-01 23:53:39,293 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-01 23:53:39,294 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-01 23:53:39,295 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-01 23:53:39,296 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-01 23:53:39,298 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-01 23:53:39,300 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-01 23:53:39,302 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-01 23:53:39,303 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-01 23:53:39,304 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-01 23:53:39,307 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-01 23:53:39,307 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-01 23:53:39,307 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-01 23:53:39,308 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-01 23:53:39,309 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-01 23:53:39,310 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-01 23:53:39,311 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-01 23:53:39,312 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-01 23:53:39,313 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-01 23:53:39,313 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-01 23:53:39,314 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-01 23:53:39,314 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-01 23:53:39,315 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-01 23:53:39,316 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-01 23:53:39,316 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-01 23:53:39,337 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-01 23:53:39,338 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-01 23:53:39,339 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-01 23:53:39,339 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-01 23:53:39,339 INFO L133 SettingsManager]: * Use SBE=true [2019-01-01 23:53:39,339 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-01 23:53:39,340 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-01 23:53:39,340 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-01 23:53:39,340 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-01 23:53:39,340 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-01 23:53:39,340 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-01 23:53:39,340 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-01 23:53:39,341 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-01 23:53:39,341 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-01 23:53:39,341 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-01 23:53:39,341 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-01 23:53:39,341 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-01 23:53:39,341 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-01 23:53:39,342 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-01 23:53:39,342 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-01 23:53:39,342 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-01 23:53:39,342 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-01 23:53:39,342 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-01 23:53:39,342 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-01 23:53:39,343 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-01 23:53:39,343 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-01 23:53:39,343 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-01 23:53:39,343 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-01 23:53:39,343 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-01 23:53:39,344 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-01 23:53:39,344 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-01 23:53:39,345 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-01 23:53:39,345 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 -> f3d619d2c1c3b5319c1ba41a41e084c9947cb440 [2019-01-01 23:53:39,380 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-01 23:53:39,396 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-01 23:53:39,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-01 23:53:39,402 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-01 23:53:39,402 INFO L276 PluginConnector]: CDTParser initialized [2019-01-01 23:53:39,403 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/recursive/EvenOdd03_false-unreach-call_true-no-overflow_true-termination.c [2019-01-01 23:53:39,461 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3e026c61/16247e2ff53d48928a6634c62b32279e/FLAG28c937491 [2019-01-01 23:53:39,934 INFO L307 CDTParser]: Found 1 translation units. [2019-01-01 23:53:39,934 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/recursive/EvenOdd03_false-unreach-call_true-no-overflow_true-termination.c [2019-01-01 23:53:39,942 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3e026c61/16247e2ff53d48928a6634c62b32279e/FLAG28c937491 [2019-01-01 23:53:40,283 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3e026c61/16247e2ff53d48928a6634c62b32279e [2019-01-01 23:53:40,290 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-01 23:53:40,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-01 23:53:40,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-01 23:53:40,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-01 23:53:40,301 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-01 23:53:40,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:53:40" (1/1) ... [2019-01-01 23:53:40,306 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@778b065d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:53:40, skipping insertion in model container [2019-01-01 23:53:40,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.01 11:53:40" (1/1) ... [2019-01-01 23:53:40,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-01 23:53:40,338 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-01 23:53:40,574 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:53:40,580 INFO L191 MainTranslator]: Completed pre-run [2019-01-01 23:53:40,603 INFO L204 PostProcessor]: Analyzing one entry point: main [2019-01-01 23:53:40,622 INFO L195 MainTranslator]: Completed translation [2019-01-01 23:53:40,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:53:40 WrapperNode [2019-01-01 23:53:40,623 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-01 23:53:40,624 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-01 23:53:40,624 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-01 23:53:40,624 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-01 23:53:40,635 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:53:40" (1/1) ... [2019-01-01 23:53:40,642 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:53:40" (1/1) ... [2019-01-01 23:53:40,665 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-01 23:53:40,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-01 23:53:40,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-01 23:53:40,667 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-01 23:53:40,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:53:40" (1/1) ... [2019-01-01 23:53:40,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:53:40" (1/1) ... [2019-01-01 23:53:40,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:53:40" (1/1) ... [2019-01-01 23:53:40,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:53:40" (1/1) ... [2019-01-01 23:53:40,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:53:40" (1/1) ... [2019-01-01 23:53:40,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:53:40" (1/1) ... [2019-01-01 23:53:40,690 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:53:40" (1/1) ... [2019-01-01 23:53:40,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-01 23:53:40,693 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-01 23:53:40,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-01 23:53:40,698 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-01 23:53:40,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:53:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure isEven [2019-01-01 23:53:40,839 INFO L138 BoogieDeclarations]: Found implementation of procedure isEven [2019-01-01 23:53:40,839 INFO L130 BoogieDeclarations]: Found specification of procedure isOdd [2019-01-01 23:53:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure isOdd [2019-01-01 23:53:40,840 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-01 23:53:40,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-01 23:53:41,172 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-01 23:53:41,172 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2019-01-01 23:53:41,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:53:41 BoogieIcfgContainer [2019-01-01 23:53:41,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-01 23:53:41,173 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-01 23:53:41,173 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-01 23:53:41,177 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-01 23:53:41,178 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:53:41,178 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.01 11:53:40" (1/3) ... [2019-01-01 23:53:41,179 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35391780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:53:41, skipping insertion in model container [2019-01-01 23:53:41,180 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:53:41,180 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.01 11:53:40" (2/3) ... [2019-01-01 23:53:41,180 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@35391780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.01 11:53:41, skipping insertion in model container [2019-01-01 23:53:41,180 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-01 23:53:41,180 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:53:41" (3/3) ... [2019-01-01 23:53:41,182 INFO L375 chiAutomizerObserver]: Analyzing ICFG EvenOdd03_false-unreach-call_true-no-overflow_true-termination.c [2019-01-01 23:53:41,243 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-01 23:53:41,244 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-01 23:53:41,244 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-01 23:53:41,245 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-01 23:53:41,245 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-01 23:53:41,245 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-01 23:53:41,245 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-01 23:53:41,245 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-01 23:53:41,245 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-01 23:53:41,261 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2019-01-01 23:53:41,289 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-01-01 23:53:41,290 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:53:41,290 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:53:41,299 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-01-01 23:53:41,300 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:53:41,300 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-01 23:53:41,300 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states. [2019-01-01 23:53:41,303 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2019-01-01 23:53:41,303 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-01 23:53:41,304 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-01 23:53:41,304 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-01-01 23:53:41,304 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-01-01 23:53:41,313 INFO L794 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet2, main_#t~ret3, main_~n~0, main_~result~0, main_~mod~0;main_~n~0 := main_#t~nondet2;havoc main_#t~nondet2; 5#L39true assume !(main_~n~0 < 0); 13#L42true call main_#t~ret3 := isEven(main_~n~0);< 8#isEvenENTRYtrue [2019-01-01 23:53:41,313 INFO L796 eck$LassoCheckResult]: Loop: 8#isEvenENTRYtrue ~n := #in~n; 6#L27true assume !(0 == ~n); 9#L29true assume !(1 == ~n); 23#L32true call #t~ret1 := isOdd(~n - 1);< 22#isOddENTRYtrue ~n := #in~n; 20#L17true assume !(0 == ~n); 14#L19true assume !(1 == ~n); 7#L22true call #t~ret0 := isEven(~n - 1);< 8#isEvenENTRYtrue [2019-01-01 23:53:41,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:53:41,320 INFO L82 PathProgramCache]: Analyzing trace with hash 54793, now seen corresponding path program 1 times [2019-01-01 23:53:41,322 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:53:41,323 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:53:41,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:53:41,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:53:41,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:53:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:53:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:53:41,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:53:41,429 INFO L82 PathProgramCache]: Analyzing trace with hash 2011678405, now seen corresponding path program 1 times [2019-01-01 23:53:41,429 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:53:41,429 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:53:41,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:53:41,431 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:53:41,431 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:53:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:53:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:53:41,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:53:41,450 INFO L82 PathProgramCache]: Analyzing trace with hash 1322652877, now seen corresponding path program 1 times [2019-01-01 23:53:41,450 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-01 23:53:41,450 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-01 23:53:41,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:53:41,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-01 23:53:41,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-01 23:53:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:53:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-01 23:53:41,881 WARN L181 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 19 [2019-01-01 23:53:42,004 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:53:42,006 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:53:42,007 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:53:42,007 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:53:42,007 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:53:42,007 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:42,007 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:53:42,007 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:53:42,007 INFO L131 ssoRankerPreferences]: Filename of dumped script: EvenOdd03_false-unreach-call_true-no-overflow_true-termination.c_Iteration1_Loop [2019-01-01 23:53:42,008 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:53:42,008 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:53:42,037 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:42,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:42,071 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:42,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:42,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:42,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:42,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:42,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:42,425 WARN L181 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 14 [2019-01-01 23:53:42,439 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:53:42,440 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:42,445 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:42,446 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:42,455 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:42,456 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#in~n=0} Honda state: {isOdd_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:42,477 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:42,478 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:42,495 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:42,495 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#t~ret0=0} Honda state: {isOdd_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:42,516 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:42,516 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:42,520 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:42,520 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_~n=0} Honda state: {isOdd_~n=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) [2019-01-01 23:53:42,557 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:42,557 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:42,574 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:42,575 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#res=0} Honda state: {isEven_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-01 23:53:42,615 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:42,615 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-01-01 23:53:42,661 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:53:42,661 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 [2019-01-01 23:53:42,716 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:42,717 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#in~n=-4} Honda state: {isEven_#in~n=-4} Generalized eigenvectors: [{isEven_#in~n=0}, {isEven_#in~n=-1}, {isEven_#in~n=-1}] Lambdas: [6, 0, 1] Nus: [0, 1] 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) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:42,737 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:42,738 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:42,748 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:42,748 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#res=0} Honda state: {isOdd_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] 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 [2019-01-01 23:53:42,769 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:42,769 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:42,772 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:42,773 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#t~ret1=0} Honda state: {isEven_#t~ret1=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 [2019-01-01 23:53:42,795 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:42,795 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:42,800 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:42,800 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_~n=0} Honda state: {isEven_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2019-01-01 23:53:42,858 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:53:42,858 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:53:42,858 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:53:42,858 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:53:42,859 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-01 23:53:42,859 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:42,859 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:53:42,859 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:53:42,860 INFO L131 ssoRankerPreferences]: Filename of dumped script: EvenOdd03_false-unreach-call_true-no-overflow_true-termination.c_Iteration1_Lasso [2019-01-01 23:53:42,860 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:53:42,860 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:53:42,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:42,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:42,871 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:42,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:42,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:42,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:42,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:42,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:42,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:42,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:43,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:43,158 WARN L181 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-01-01 23:53:43,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:43,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:43,209 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:43,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:43,609 WARN L181 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2019-01-01 23:53:43,978 WARN L181 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 14 [2019-01-01 23:53:43,986 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:53:43,986 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:43,989 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:43,989 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:43,993 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:43,993 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#in~n=0} Honda state: {isOdd_#in~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:44,014 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:44,015 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:44,019 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:44,019 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:44,039 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:44,039 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:44,042 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:44,042 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~ret3=0} Honda state: {ULTIMATE.start_main_#t~ret3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:44,068 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:44,068 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:44,071 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:44,071 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:44,091 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:44,091 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:44,112 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:44,112 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_~n=0} Honda state: {isOdd_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:44,140 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:44,140 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:44,143 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:44,143 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~n~0=0} Honda state: {ULTIMATE.start_main_~n~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:44,163 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:44,164 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:44,166 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:44,166 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_~n=0} Honda state: {isEven_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:44,189 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:44,189 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:44,192 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:44,192 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isOdd_#t~ret0=0} Honda state: {isOdd_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:44,214 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:44,215 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:44,217 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:44,218 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_#t~ret4=0} Honda state: {ULTIMATE.start_#t~ret4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:44,238 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:44,238 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:44,244 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-01 23:53:44,244 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {isEven_#res=0} Honda state: {isEven_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:44,265 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-01 23:53:44,265 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:44,288 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-01 23:53:44,288 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-01 23:53:44,356 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-01 23:53:44,357 INFO L216 LassoAnalysis]: Preferences: [2019-01-01 23:53:44,357 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-01 23:53:44,357 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-01 23:53:44,358 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-01 23:53:44,358 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-01 23:53:44,358 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-01 23:53:44,358 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-01 23:53:44,358 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-01 23:53:44,358 INFO L131 ssoRankerPreferences]: Filename of dumped script: EvenOdd03_false-unreach-call_true-no-overflow_true-termination.c_Iteration1_Lasso [2019-01-01 23:53:44,358 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-01 23:53:44,359 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-01 23:53:44,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:44,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:44,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:44,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:44,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:44,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:44,396 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:44,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:44,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:44,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:44,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:44,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:44,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:44,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:44,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-01 23:53:44,719 WARN L181 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 14 [2019-01-01 23:53:44,746 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-01 23:53:44,752 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-01 23:53:44,753 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:53:44,756 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:44,756 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:53:44,756 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:44,757 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:53:44,757 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:44,759 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:53:44,759 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:53:44,763 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:53:44,763 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:53:44,764 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:44,764 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:53:44,764 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:44,765 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:53:44,765 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:44,766 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:53:44,766 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:53:44,767 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:53:44,771 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 [2019-01-01 23:53:44,773 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:44,773 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:53:44,773 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:44,773 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:53:44,774 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:44,775 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:53:44,775 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:53:44,776 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:53:44,776 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:53:44,777 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:44,777 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:53:44,777 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:44,777 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:53:44,777 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:44,780 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:53:44,780 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:53:44,782 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:53:44,782 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:53:44,783 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:44,783 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:53:44,783 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:44,783 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:53:44,783 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:44,786 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:53:44,786 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:53:44,787 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:53:44,788 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 [2019-01-01 23:53:44,788 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:44,788 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:53:44,790 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:44,791 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:53:44,791 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:44,791 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:53:44,791 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:53:44,794 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:53:44,794 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:53:44,795 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:44,795 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:53:44,795 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:44,796 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:53:44,796 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:44,796 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:53:44,797 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:53:44,798 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:53:44,799 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:53:44,800 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:44,800 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:53:44,800 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:44,801 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:53:44,801 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:44,801 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:53:44,801 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:53:44,805 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:53:44,805 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:53:44,806 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:44,806 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:53:44,806 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:44,806 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:53:44,806 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:44,807 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:53:44,807 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:53:44,810 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:53:44,810 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:53:44,811 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:44,811 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-01 23:53:44,811 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:44,812 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-01 23:53:44,812 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:44,812 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-01 23:53:44,812 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-01 23:53:44,814 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-01 23:53:44,814 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-01 23:53:44,815 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-01 23:53:44,815 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-01 23:53:44,815 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2019-01-01 23:53:44,815 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-01 23:53:44,823 INFO L402 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-01-01 23:53:44,823 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-01-01 23:53:44,935 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-01 23:53:44,981 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-01-01 23:53:44,981 INFO L444 ModelExtractionUtils]: 6 out of 11 variables were initially zero. Simplification set additionally 2 variables to zero. [2019-01-01 23:53:44,988 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-01 23:53:44,994 INFO L440 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2019-01-01 23:53:44,996 INFO L518 LassoAnalysis]: Proved termination. [2019-01-01 23:53:44,997 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(isEven_#in~n) = 1*isEven_#in~n Supporting invariants [1*isEven_#in~n >= 0] [2019-01-01 23:53:45,002 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-01-01 23:53:45,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-01 23:53:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:53:45,101 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:53:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-01 23:53:45,158 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-01 23:53:45,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-01 23:53:45,344 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 6 loop predicates [2019-01-01 23:53:45,345 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states. Second operand 8 states. [2019-01-01 23:53:45,885 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states.. Second operand 8 states. Result 87 states and 98 transitions. Complement of second has 29 states. [2019-01-01 23:53:45,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 2 stem states 6 non-accepting loop states 1 accepting loop states [2019-01-01 23:53:45,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2019-01-01 23:53:45,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 37 transitions. [2019-01-01 23:53:45,893 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 37 transitions. Stem has 3 letters. Loop has 8 letters. [2019-01-01 23:53:45,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:53:45,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 37 transitions. Stem has 11 letters. Loop has 8 letters. [2019-01-01 23:53:45,895 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:53:45,895 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 37 transitions. Stem has 3 letters. Loop has 16 letters. [2019-01-01 23:53:45,896 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-01 23:53:45,897 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 87 states and 98 transitions. [2019-01-01 23:53:45,906 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:53:45,909 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 87 states to 0 states and 0 transitions. [2019-01-01 23:53:45,911 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-01 23:53:45,911 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-01 23:53:45,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-01 23:53:45,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-01 23:53:45,911 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:53:45,912 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:53:45,912 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-01 23:53:45,912 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-01 23:53:45,912 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-01 23:53:45,912 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-01 23:53:45,912 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-01 23:53:45,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.01 11:53:45 BoogieIcfgContainer [2019-01-01 23:53:45,918 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-01 23:53:45,918 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-01 23:53:45,918 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-01 23:53:45,919 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-01 23:53:45,919 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.01 11:53:41" (3/4) ... [2019-01-01 23:53:45,922 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-01 23:53:45,922 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-01 23:53:45,923 INFO L168 Benchmark]: Toolchain (without parser) took 5632.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 213.4 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -254.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:53:45,924 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:53:45,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.57 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 933.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-01 23:53:45,926 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.51 ms. Allocated memory is still 1.0 GB. Free memory is still 933.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:53:45,926 INFO L168 Benchmark]: Boogie Preprocessor took 24.75 ms. Allocated memory is still 1.0 GB. Free memory is still 933.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:53:45,927 INFO L168 Benchmark]: RCFGBuilder took 479.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-01-01 23:53:45,928 INFO L168 Benchmark]: BuchiAutomizer took 4744.75 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -87.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:53:45,929 INFO L168 Benchmark]: Witness Printer took 4.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-01 23:53:45,933 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 327.57 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 933.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.51 ms. Allocated memory is still 1.0 GB. Free memory is still 933.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.75 ms. Allocated memory is still 1.0 GB. Free memory is still 933.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 479.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 4744.75 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.4 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -87.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.09 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. Construction of modules took 0.2s. Büchi inclusion checks took 0.6s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 15 SDtfs, 29 SDslu, 22 SDs, 0 SdLazy, 96 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq188 hnf97 smp100 dnf502 smp17 tf102 neg94 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 182ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 17 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...