./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9_true-termination_true-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0ed9222f 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/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9_true-termination_true-no-overflow.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash 8c261c4c4bb9c8a95f9cb14c668da53a89a0d0c6 ........................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 02:17:00,496 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 02:17:00,499 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 02:17:00,515 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 02:17:00,518 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 02:17:00,520 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 02:17:00,523 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 02:17:00,526 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 02:17:00,528 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 02:17:00,529 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 02:17:00,530 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 02:17:00,530 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 02:17:00,531 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 02:17:00,532 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 02:17:00,533 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 02:17:00,534 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 02:17:00,535 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 02:17:00,537 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 02:17:00,539 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 02:17:00,541 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 02:17:00,542 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 02:17:00,544 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 02:17:00,549 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 02:17:00,550 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 02:17:00,552 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 02:17:00,553 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 02:17:00,554 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 02:17:00,557 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 02:17:00,558 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 02:17:00,561 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 02:17:00,561 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 02:17:00,563 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 02:17:00,563 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 02:17:00,563 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 02:17:00,565 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 02:17:00,565 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 02:17:00,566 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-01-14 02:17:00,589 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 02:17:00,589 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 02:17:00,591 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 02:17:00,591 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 02:17:00,591 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 02:17:00,591 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 02:17:00,591 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 02:17:00,591 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 02:17:00,592 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 02:17:00,592 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 02:17:00,592 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 02:17:00,592 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 02:17:00,592 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 02:17:00,593 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 02:17:00,593 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 02:17:00,593 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 02:17:00,593 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 02:17:00,593 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 02:17:00,593 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 02:17:00,594 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 02:17:00,594 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 02:17:00,594 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 02:17:00,594 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 02:17:00,594 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 02:17:00,594 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 02:17:00,595 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 02:17:00,595 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 02:17:00,595 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 02:17:00,596 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 02:17:00,596 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c261c4c4bb9c8a95f9cb14c668da53a89a0d0c6 [2019-01-14 02:17:00,642 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 02:17:00,657 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 02:17:00,664 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 02:17:00,665 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 02:17:00,666 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 02:17:00,666 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9_true-termination_true-no-overflow.c [2019-01-14 02:17:00,733 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59a9e67f1/43472899fa304d4f88ee729a8c7cd4c0/FLAG4bae5a843 [2019-01-14 02:17:01,199 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 02:17:01,200 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/termination-crafted-lit/LeikeHeizmann-WST2014-Ex9_true-termination_true-no-overflow.c [2019-01-14 02:17:01,206 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59a9e67f1/43472899fa304d4f88ee729a8c7cd4c0/FLAG4bae5a843 [2019-01-14 02:17:01,574 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/59a9e67f1/43472899fa304d4f88ee729a8c7cd4c0 [2019-01-14 02:17:01,577 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 02:17:01,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 02:17:01,580 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 02:17:01,580 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 02:17:01,584 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 02:17:01,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 02:17:01" (1/1) ... [2019-01-14 02:17:01,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae9932d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:17:01, skipping insertion in model container [2019-01-14 02:17:01,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 02:17:01" (1/1) ... [2019-01-14 02:17:01,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 02:17:01,615 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 02:17:01,855 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 02:17:01,863 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 02:17:01,883 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 02:17:01,903 INFO L195 MainTranslator]: Completed translation [2019-01-14 02:17:01,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:17:01 WrapperNode [2019-01-14 02:17:01,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 02:17:01,905 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 02:17:01,905 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 02:17:01,905 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 02:17:01,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:17:01" (1/1) ... [2019-01-14 02:17:01,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:17:01" (1/1) ... [2019-01-14 02:17:01,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 02:17:01,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 02:17:01,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 02:17:01,948 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 02:17:01,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:17:01" (1/1) ... [2019-01-14 02:17:01,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:17:01" (1/1) ... [2019-01-14 02:17:01,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:17:01" (1/1) ... [2019-01-14 02:17:01,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:17:01" (1/1) ... [2019-01-14 02:17:01,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:17:01" (1/1) ... [2019-01-14 02:17:01,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:17:01" (1/1) ... [2019-01-14 02:17:01,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:17:01" (1/1) ... [2019-01-14 02:17:01,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 02:17:01,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 02:17:01,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 02:17:01,981 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 02:17:01,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:17:01" (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 [2019-01-14 02:17:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 02:17:02,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 02:17:02,307 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 02:17:02,307 INFO L286 CfgBuilder]: Removed 5 assue(true) statements. [2019-01-14 02:17:02,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:17:02 BoogieIcfgContainer [2019-01-14 02:17:02,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 02:17:02,310 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 02:17:02,310 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 02:17:02,314 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 02:17:02,315 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:17:02,315 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 02:17:01" (1/3) ... [2019-01-14 02:17:02,316 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73fc8d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 02:17:02, skipping insertion in model container [2019-01-14 02:17:02,316 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:17:02,316 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 02:17:01" (2/3) ... [2019-01-14 02:17:02,317 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73fc8d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 02:17:02, skipping insertion in model container [2019-01-14 02:17:02,317 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 02:17:02,317 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:17:02" (3/3) ... [2019-01-14 02:17:02,319 INFO L375 chiAutomizerObserver]: Analyzing ICFG LeikeHeizmann-WST2014-Ex9_true-termination_true-no-overflow.c [2019-01-14 02:17:02,379 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 02:17:02,380 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 02:17:02,380 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 02:17:02,380 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 02:17:02,380 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 02:17:02,380 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 02:17:02,380 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 02:17:02,381 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 02:17:02,381 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 02:17:02,396 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-01-14 02:17:02,416 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-14 02:17:02,417 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 02:17:02,417 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 02:17:02,424 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 02:17:02,424 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-14 02:17:02,424 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 02:17:02,424 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2019-01-14 02:17:02,425 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-14 02:17:02,425 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 02:17:02,426 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 02:17:02,426 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 02:17:02,426 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-14 02:17:02,434 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0; 6#L13-2true [2019-01-14 02:17:02,435 INFO L796 eck$LassoCheckResult]: Loop: 6#L13-2true assume !!(main_~x~0 > 0);main_~x~0 := (if main_~x~0 < 0 && 0 != main_~x~0 % 2 then 1 + main_~x~0 / 2 else main_~x~0 / 2); 6#L13-2true [2019-01-14 02:17:02,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:17:02,441 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-01-14 02:17:02,444 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:17:02,444 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:17:02,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:17:02,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:17:02,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:17:02,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:17:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:17:02,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:17:02,545 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-01-14 02:17:02,545 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:17:02,546 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:17:02,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:17:02,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:17:02,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:17:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:17:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:17:02,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:17:02,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-01-14 02:17:02,577 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 02:17:02,577 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 02:17:02,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:17:02,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 02:17:02,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 02:17:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:17:02,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 02:17:02,767 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 02:17:02,769 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 02:17:02,769 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 02:17:02,769 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 02:17:02,770 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 02:17:02,770 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:17:02,770 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 02:17:02,771 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 02:17:02,771 INFO L131 ssoRankerPreferences]: Filename of dumped script: LeikeHeizmann-WST2014-Ex9_true-termination_true-no-overflow.c_Iteration1_Loop [2019-01-14 02:17:02,771 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 02:17:02,771 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 02:17:02,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:17:03,081 WARN L181 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 19 [2019-01-14 02:17:03,137 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 02:17:03,138 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 [2019-01-14 02:17:03,154 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 02:17:03,154 INFO L163 nArgumentSynthesizer]: Using integer mode. 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 [2019-01-14 02:17:03,190 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 02:17:03,191 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 02:17:03,270 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-14 02:17:03,271 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 02:17:03,272 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 02:17:03,272 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 02:17:03,272 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 02:17:03,272 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 02:17:03,272 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 02:17:03,272 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 02:17:03,273 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 02:17:03,273 INFO L131 ssoRankerPreferences]: Filename of dumped script: LeikeHeizmann-WST2014-Ex9_true-termination_true-no-overflow.c_Iteration1_Loop [2019-01-14 02:17:03,273 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 02:17:03,273 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 02:17:03,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 02:17:03,553 WARN L181 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 18 [2019-01-14 02:17:03,587 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 02:17:03,591 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 02:17:03,593 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 02:17:03,594 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 02:17:03,594 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 02:17:03,595 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 02:17:03,595 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 02:17:03,595 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 02:17:03,598 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 02:17:03,598 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 02:17:03,611 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 02:17:03,619 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-14 02:17:03,619 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-01-14 02:17:03,622 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 02:17:03,622 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-14 02:17:03,623 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 02:17:03,623 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2019-01-14 02:17:03,625 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-14 02:17:03,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 02:17:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 02:17:03,722 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 02:17:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 02:17:03,747 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 02:17:03,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 02:17:03,768 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-01-14 02:17:03,770 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states. Second operand 2 states. [2019-01-14 02:17:03,819 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states.. Second operand 2 states. Result 15 states and 18 transitions. Complement of second has 5 states. [2019-01-14 02:17:03,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-01-14 02:17:03,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-01-14 02:17:03,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2019-01-14 02:17:03,824 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2019-01-14 02:17:03,824 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 02:17:03,824 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2019-01-14 02:17:03,824 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 02:17:03,825 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2019-01-14 02:17:03,825 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 02:17:03,826 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2019-01-14 02:17:03,828 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 02:17:03,831 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2019-01-14 02:17:03,832 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 02:17:03,832 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 02:17:03,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 02:17:03,833 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 02:17:03,833 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 02:17:03,833 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 02:17:03,833 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 02:17:03,833 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 02:17:03,833 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-14 02:17:03,834 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 02:17:03,834 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-14 02:17:03,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 02:17:03 BoogieIcfgContainer [2019-01-14 02:17:03,839 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 02:17:03,840 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 02:17:03,840 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 02:17:03,840 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 02:17:03,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 02:17:02" (3/4) ... [2019-01-14 02:17:03,844 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 02:17:03,844 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 02:17:03,845 INFO L168 Benchmark]: Toolchain (without parser) took 2266.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 942.0 MB in the beginning and 1.0 GB in the end (delta: -90.9 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2019-01-14 02:17:03,847 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 02:17:03,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.55 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 931.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 02:17:03,848 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.31 ms. Allocated memory is still 1.0 GB. Free memory is still 931.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 02:17:03,849 INFO L168 Benchmark]: Boogie Preprocessor took 32.98 ms. Allocated memory is still 1.0 GB. Free memory is still 931.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 02:17:03,850 INFO L168 Benchmark]: RCFGBuilder took 328.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2019-01-14 02:17:03,851 INFO L168 Benchmark]: BuchiAutomizer took 1529.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. [2019-01-14 02:17:03,852 INFO L168 Benchmark]: Witness Printer took 4.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 02:17:03,857 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 324.55 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 931.2 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 42.31 ms. Allocated memory is still 1.0 GB. Free memory is still 931.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.98 ms. Allocated memory is still 1.0 GB. Free memory is still 931.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 328.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 931.2 MB in the beginning and 1.1 GB in the end (delta: -166.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1529.73 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.5 MB). Peak memory consumption was 64.5 MB. Max. memory is 11.5 GB. * Witness Printer took 4.27 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 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 x and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 4 SDtfs, 4 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital26 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div380 bol100 ite112 ukn100 eq130 hnf55 smp43 dnf97 smp100 tf105 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 30ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...