./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/loop-lit/afnp2014_true-unreach-call_true-termination.c.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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/loop-lit/afnp2014_true-unreach-call_true-termination.c.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d51c6cc706e0ce829ba547908cd819c55d1b3081 ................................................................................................................................................................................................................................................................................................................................................... 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 03:49:51,676 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 03:49:51,678 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 03:49:51,697 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 03:49:51,698 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 03:49:51,700 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 03:49:51,703 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 03:49:51,714 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 03:49:51,716 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 03:49:51,717 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 03:49:51,718 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 03:49:51,719 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 03:49:51,720 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 03:49:51,721 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 03:49:51,725 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 03:49:51,726 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 03:49:51,727 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 03:49:51,729 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 03:49:51,735 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 03:49:51,737 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 03:49:51,740 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 03:49:51,745 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 03:49:51,748 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 03:49:51,751 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 03:49:51,751 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 03:49:51,752 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 03:49:51,753 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 03:49:51,756 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 03:49:51,757 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 03:49:51,758 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 03:49:51,758 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 03:49:51,759 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 03:49:51,759 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 03:49:51,759 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 03:49:51,760 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 03:49:51,762 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 03:49:51,762 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 03:49:51,783 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 03:49:51,783 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 03:49:51,784 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 03:49:51,784 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 03:49:51,785 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 03:49:51,785 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 03:49:51,786 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 03:49:51,786 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 03:49:51,786 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 03:49:51,786 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 03:49:51,786 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 03:49:51,786 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 03:49:51,786 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 03:49:51,787 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 03:49:51,787 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 03:49:51,787 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 03:49:51,787 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 03:49:51,787 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 03:49:51,787 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 03:49:51,788 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 03:49:51,789 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 03:49:51,789 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 03:49:51,790 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 03:49:51,790 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 03:49:51,790 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 03:49:51,791 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 03:49:51,791 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 03:49:51,791 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 03:49:51,791 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 03:49:51,791 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 03:49:51,791 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 03:49:51,793 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 03:49:51,794 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 -> d51c6cc706e0ce829ba547908cd819c55d1b3081 [2019-01-14 03:49:51,858 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 03:49:51,875 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 03:49:51,878 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 03:49:51,880 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 03:49:51,880 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 03:49:51,881 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loop-lit/afnp2014_true-unreach-call_true-termination.c.i [2019-01-14 03:49:51,932 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14b43369f/9b35dbfcce7a4f01b6c679f3512a61f6/FLAG63d8c7978 [2019-01-14 03:49:52,333 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 03:49:52,334 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loop-lit/afnp2014_true-unreach-call_true-termination.c.i [2019-01-14 03:49:52,339 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14b43369f/9b35dbfcce7a4f01b6c679f3512a61f6/FLAG63d8c7978 [2019-01-14 03:49:52,728 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14b43369f/9b35dbfcce7a4f01b6c679f3512a61f6 [2019-01-14 03:49:52,732 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 03:49:52,733 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 03:49:52,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 03:49:52,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 03:49:52,741 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 03:49:52,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:49:52" (1/1) ... [2019-01-14 03:49:52,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35fed6c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:49:52, skipping insertion in model container [2019-01-14 03:49:52,746 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:49:52" (1/1) ... [2019-01-14 03:49:52,756 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 03:49:52,777 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 03:49:53,016 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 03:49:53,023 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 03:49:53,045 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 03:49:53,067 INFO L195 MainTranslator]: Completed translation [2019-01-14 03:49:53,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:49:53 WrapperNode [2019-01-14 03:49:53,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 03:49:53,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 03:49:53,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 03:49:53,070 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 03:49:53,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:49:53" (1/1) ... [2019-01-14 03:49:53,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:49:53" (1/1) ... [2019-01-14 03:49:53,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 03:49:53,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 03:49:53,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 03:49:53,114 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 03:49:53,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:49:53" (1/1) ... [2019-01-14 03:49:53,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:49:53" (1/1) ... [2019-01-14 03:49:53,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:49:53" (1/1) ... [2019-01-14 03:49:53,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:49:53" (1/1) ... [2019-01-14 03:49:53,130 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:49:53" (1/1) ... [2019-01-14 03:49:53,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:49:53" (1/1) ... [2019-01-14 03:49:53,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:49:53" (1/1) ... [2019-01-14 03:49:53,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 03:49:53,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 03:49:53,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 03:49:53,143 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 03:49:53,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:49:53" (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 03:49:53,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 03:49:53,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 03:49:53,493 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 03:49:53,493 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-14 03:49:53,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:49:53 BoogieIcfgContainer [2019-01-14 03:49:53,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 03:49:53,495 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 03:49:53,495 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 03:49:53,498 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 03:49:53,499 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:49:53,499 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 03:49:52" (1/3) ... [2019-01-14 03:49:53,501 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21432477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 03:49:53, skipping insertion in model container [2019-01-14 03:49:53,501 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:49:53,501 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:49:53" (2/3) ... [2019-01-14 03:49:53,501 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21432477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 03:49:53, skipping insertion in model container [2019-01-14 03:49:53,501 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:49:53,502 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:49:53" (3/3) ... [2019-01-14 03:49:53,503 INFO L375 chiAutomizerObserver]: Analyzing ICFG afnp2014_true-unreach-call_true-termination.c.i [2019-01-14 03:49:53,565 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 03:49:53,566 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 03:49:53,566 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 03:49:53,566 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 03:49:53,567 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 03:49:53,567 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 03:49:53,567 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 03:49:53,567 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 03:49:53,567 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 03:49:53,583 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-01-14 03:49:53,607 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-14 03:49:53,608 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 03:49:53,608 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 03:49:53,615 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 03:49:53,615 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-14 03:49:53,616 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 03:49:53,616 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-01-14 03:49:53,617 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-01-14 03:49:53,617 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 03:49:53,617 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 03:49:53,618 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 03:49:53,618 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-01-14 03:49:53,624 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_~x~0, main_~y~0;main_~x~0 := 1;main_~y~0 := 0; 6#L13-2true [2019-01-14 03:49:53,625 INFO L796 eck$LassoCheckResult]: Loop: 6#L13-2true assume !!(main_~y~0 < 1000 && 0 != main_#t~nondet1);havoc main_#t~nondet1;main_~x~0 := main_~x~0 + main_~y~0;main_~y~0 := 1 + main_~y~0; 6#L13-2true [2019-01-14 03:49:53,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:49:53,631 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-01-14 03:49:53,632 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:49:53,633 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:49:53,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:49:53,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:49:53,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:49:53,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:49:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:49:53,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:49:53,719 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-01-14 03:49:53,719 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:49:53,719 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:49:53,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:49:53,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:49:53,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:49:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:49:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:49:53,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:49:53,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-01-14 03:49:53,741 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:49:53,741 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:49:53,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:49:53,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:49:53,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:49:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:49:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:49:53,965 WARN L181 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2019-01-14 03:49:53,980 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:49:53,981 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:49:53,981 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:49:53,981 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:49:53,982 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 03:49:53,982 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:49:53,982 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:49:53,982 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:49:53,982 INFO L131 ssoRankerPreferences]: Filename of dumped script: afnp2014_true-unreach-call_true-termination.c.i_Iteration1_Loop [2019-01-14 03:49:53,983 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:49:53,983 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:49:54,007 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 03:49:54,136 WARN L181 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2019-01-14 03:49:54,137 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 03:49:54,316 WARN L181 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-01-14 03:49:54,385 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:49:54,386 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) [2019-01-14 03:49:54,400 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:49:54,400 INFO L163 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:49:54,440 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 03:49:54,441 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:49:54,469 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-14 03:49:54,476 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:49:54,476 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:49:54,476 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:49:54,476 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:49:54,477 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 03:49:54,477 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:49:54,477 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:49:54,477 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:49:54,477 INFO L131 ssoRankerPreferences]: Filename of dumped script: afnp2014_true-unreach-call_true-termination.c.i_Iteration1_Loop [2019-01-14 03:49:54,477 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:49:54,477 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:49:54,480 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 03:49:54,523 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 03:49:54,686 WARN L181 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2019-01-14 03:49:54,833 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:49:54,838 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 03:49:54,840 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:49:54,842 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:49:54,842 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:49:54,844 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:49:54,844 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:49:54,844 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:49:54,848 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:49:54,848 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:49:54,859 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 03:49:54,876 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-14 03:49:54,877 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-14 03:49:54,880 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 03:49:54,881 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-14 03:49:54,885 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 03:49:54,887 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = -2*ULTIMATE.start_main_~y~0 + 1999 Supporting invariants [] [2019-01-14 03:49:54,889 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-14 03:49:54,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:49:54,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 03:49:54,976 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 03:49:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 03:49:54,985 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 03:49:54,986 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 03:49:55,001 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 03:49:55,003 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 2 states. [2019-01-14 03:49:55,048 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 2 states. Result 24 states and 29 transitions. Complement of second has 5 states. [2019-01-14 03:49:55,048 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 03:49:55,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-01-14 03:49:55,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2019-01-14 03:49:55,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 1 letters. Loop has 1 letters. [2019-01-14 03:49:55,053 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:49:55,053 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 2 letters. Loop has 1 letters. [2019-01-14 03:49:55,053 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:49:55,053 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 1 letters. Loop has 2 letters. [2019-01-14 03:49:55,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:49:55,055 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 29 transitions. [2019-01-14 03:49:55,058 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 03:49:55,061 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2019-01-14 03:49:55,063 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 03:49:55,063 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 03:49:55,064 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 03:49:55,064 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 03:49:55,064 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 03:49:55,064 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 03:49:55,064 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 03:49:55,064 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 03:49:55,065 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-14 03:49:55,065 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 03:49:55,065 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-14 03:49:55,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 03:49:55 BoogieIcfgContainer [2019-01-14 03:49:55,072 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 03:49:55,073 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 03:49:55,073 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 03:49:55,073 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 03:49:55,074 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:49:53" (3/4) ... [2019-01-14 03:49:55,078 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 03:49:55,078 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 03:49:55,079 INFO L168 Benchmark]: Toolchain (without parser) took 2346.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 951.4 MB in the beginning and 1.0 GB in the end (delta: -68.0 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-01-14 03:49:55,080 INFO L168 Benchmark]: CDTParser took 0.18 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 03:49:55,081 INFO L168 Benchmark]: CACSL2BoogieTranslator took 333.95 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-01-14 03:49:55,082 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.87 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:49:55,083 INFO L168 Benchmark]: Boogie Preprocessor took 28.68 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:49:55,083 INFO L168 Benchmark]: RCFGBuilder took 352.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -140.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-01-14 03:49:55,084 INFO L168 Benchmark]: BuchiAutomizer took 1577.34 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: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 11.5 GB. [2019-01-14 03:49:55,085 INFO L168 Benchmark]: Witness Printer took 5.29 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 03:49:55,090 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 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 333.95 ms. Allocated memory is still 1.0 GB. Free memory was 951.4 MB in the beginning and 940.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.87 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.68 ms. Allocated memory is still 1.0 GB. Free memory is still 940.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 352.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.1 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -140.1 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1577.34 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: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 11.5 GB. * Witness Printer took 5.29 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 -2 * y + 1999 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s 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: 6 SDtfs, 7 SDslu, 5 SDs, 0 SdLazy, 5 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax100 hnf100 lsp78 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 45ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...