./Ultimate.py --spec /storage/repos/svcomp/c/properties/termination.prp --file /storage/repos/svcomp/c/loops/sum04_false-unreach-call_true-termination.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/loops/sum04_false-unreach-call_true-termination.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aeade23d65797ff650f62ff8e383f015764d9ed2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:40:48,855 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 03:40:48,860 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 03:40:48,877 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 03:40:48,877 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 03:40:48,878 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 03:40:48,880 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 03:40:48,881 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 03:40:48,883 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 03:40:48,884 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 03:40:48,885 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 03:40:48,885 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 03:40:48,886 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 03:40:48,887 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 03:40:48,888 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 03:40:48,888 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 03:40:48,889 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 03:40:48,891 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 03:40:48,893 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 03:40:48,895 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 03:40:48,896 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 03:40:48,897 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 03:40:48,900 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 03:40:48,900 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 03:40:48,900 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 03:40:48,901 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 03:40:48,902 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 03:40:48,903 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 03:40:48,904 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 03:40:48,905 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 03:40:48,905 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 03:40:48,906 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 03:40:48,906 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 03:40:48,906 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 03:40:48,908 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 03:40:48,908 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 03:40:48,909 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-01-14 03:40:48,926 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 03:40:48,926 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 03:40:48,927 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 03:40:48,927 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 03:40:48,928 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 03:40:48,928 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-01-14 03:40:48,928 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-01-14 03:40:48,929 INFO L133 SettingsManager]: * Use old map elimination=false [2019-01-14 03:40:48,929 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2019-01-14 03:40:48,929 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2019-01-14 03:40:48,929 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-01-14 03:40:48,930 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 03:40:48,930 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 03:40:48,930 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 03:40:48,930 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 03:40:48,931 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 03:40:48,931 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 03:40:48,931 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-01-14 03:40:48,931 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-01-14 03:40:48,932 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-01-14 03:40:48,932 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 03:40:48,932 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-14 03:40:48,932 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-01-14 03:40:48,933 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 03:40:48,933 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-01-14 03:40:48,933 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 03:40:48,933 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 03:40:48,934 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-01-14 03:40:48,934 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 03:40:48,934 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 03:40:48,934 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-01-14 03:40:48,935 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-01-14 03:40:48,936 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 -> aeade23d65797ff650f62ff8e383f015764d9ed2 [2019-01-14 03:40:48,969 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 03:40:48,981 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 03:40:48,984 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 03:40:48,986 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 03:40:48,986 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 03:40:48,987 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/loops/sum04_false-unreach-call_true-termination.i [2019-01-14 03:40:49,043 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a2401b42/a9ffc43f2359400298ecaaa692929aa3/FLAGa73f0d6a8 [2019-01-14 03:40:49,417 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 03:40:49,417 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/loops/sum04_false-unreach-call_true-termination.i [2019-01-14 03:40:49,423 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a2401b42/a9ffc43f2359400298ecaaa692929aa3/FLAGa73f0d6a8 [2019-01-14 03:40:49,826 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a2401b42/a9ffc43f2359400298ecaaa692929aa3 [2019-01-14 03:40:49,832 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 03:40:49,834 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-01-14 03:40:49,835 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 03:40:49,835 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 03:40:49,839 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 03:40:49,840 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:40:49" (1/1) ... [2019-01-14 03:40:49,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@683634b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:40:49, skipping insertion in model container [2019-01-14 03:40:49,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 03:40:49" (1/1) ... [2019-01-14 03:40:49,854 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 03:40:49,870 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 03:40:50,045 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 03:40:50,051 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 03:40:50,069 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 03:40:50,088 INFO L195 MainTranslator]: Completed translation [2019-01-14 03:40:50,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:40:50 WrapperNode [2019-01-14 03:40:50,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 03:40:50,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-14 03:40:50,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-14 03:40:50,091 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-14 03:40:50,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:40:50" (1/1) ... [2019-01-14 03:40:50,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:40:50" (1/1) ... [2019-01-14 03:40:50,132 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-14 03:40:50,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 03:40:50,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 03:40:50,132 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 03:40:50,144 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:40:50" (1/1) ... [2019-01-14 03:40:50,144 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:40:50" (1/1) ... [2019-01-14 03:40:50,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:40:50" (1/1) ... [2019-01-14 03:40:50,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:40:50" (1/1) ... [2019-01-14 03:40:50,148 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:40:50" (1/1) ... [2019-01-14 03:40:50,159 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:40:50" (1/1) ... [2019-01-14 03:40:50,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:40:50" (1/1) ... [2019-01-14 03:40:50,162 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 03:40:50,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 03:40:50,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 03:40:50,163 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 03:40:50,164 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:40:50" (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 03:40:50,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 03:40:50,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 03:40:50,500 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 03:40:50,500 INFO L286 CfgBuilder]: Removed 7 assue(true) statements. [2019-01-14 03:40:50,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:40:50 BoogieIcfgContainer [2019-01-14 03:40:50,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 03:40:50,502 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-01-14 03:40:50,502 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-01-14 03:40:50,505 INFO L276 PluginConnector]: BuchiAutomizer initialized [2019-01-14 03:40:50,506 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:40:50,506 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 14.01 03:40:49" (1/3) ... [2019-01-14 03:40:50,508 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26b0b6ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 03:40:50, skipping insertion in model container [2019-01-14 03:40:50,508 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:40:50,508 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 03:40:50" (2/3) ... [2019-01-14 03:40:50,508 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@26b0b6ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 14.01 03:40:50, skipping insertion in model container [2019-01-14 03:40:50,508 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-01-14 03:40:50,509 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:40:50" (3/3) ... [2019-01-14 03:40:50,510 INFO L375 chiAutomizerObserver]: Analyzing ICFG sum04_false-unreach-call_true-termination.i [2019-01-14 03:40:50,562 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 03:40:50,563 INFO L374 BuchiCegarLoop]: Interprodecural is true [2019-01-14 03:40:50,563 INFO L375 BuchiCegarLoop]: Hoare is false [2019-01-14 03:40:50,563 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-01-14 03:40:50,563 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 03:40:50,563 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 03:40:50,563 INFO L379 BuchiCegarLoop]: Difference is false [2019-01-14 03:40:50,564 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 03:40:50,564 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-01-14 03:40:50,578 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-01-14 03:40:50,600 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 03:40:50,600 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 03:40:50,601 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 03:40:50,607 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 03:40:50,608 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-14 03:40:50,608 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2019-01-14 03:40:50,608 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-01-14 03:40:50,609 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 03:40:50,609 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 03:40:50,610 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 03:40:50,610 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-01-14 03:40:50,610 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-14 03:40:50,618 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post0, main_~i~0, main_~sn~0;havoc main_~i~0;main_~sn~0 := 0;main_~i~0 := 1; 3#L13-3true [2019-01-14 03:40:50,619 INFO L796 eck$LassoCheckResult]: Loop: 3#L13-3true assume !!(main_~i~0 <= 8); 10#L14true assume main_~i~0 < 4;main_~sn~0 := 2 + main_~sn~0; 6#L13-2true main_#t~post0 := main_~i~0;main_~i~0 := 1 + main_#t~post0;havoc main_#t~post0; 3#L13-3true [2019-01-14 03:40:50,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:40:50,625 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-01-14 03:40:50,627 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:40:50,628 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:40:50,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:40:50,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:40:50,678 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:40:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:40:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:40:50,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:40:50,717 INFO L82 PathProgramCache]: Analyzing trace with hash 38828, now seen corresponding path program 1 times [2019-01-14 03:40:50,718 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:40:50,718 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:40:50,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:40:50,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:40:50,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:40:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:40:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:40:50,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:40:50,732 INFO L82 PathProgramCache]: Analyzing trace with hash 962349, now seen corresponding path program 1 times [2019-01-14 03:40:50,733 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:40:50,733 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:40:50,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:40:50,734 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:40:50,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:40:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:40:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:40:50,896 WARN L181 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 13 [2019-01-14 03:40:50,962 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:40:50,964 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:40:50,964 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:40:50,964 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:40:50,964 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 03:40:50,964 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:40:50,964 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:40:50,965 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:40:50,965 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum04_false-unreach-call_true-termination.i_Iteration1_Loop [2019-01-14 03:40:50,965 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:40:50,965 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:40:50,988 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 03:40:51,009 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 03:40:51,057 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 03:40:51,175 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:40:51,176 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 03:40:51,180 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:40:51,181 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 03:40:51,207 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 03:40:51,207 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:40:51,227 INFO L445 LassoAnalysis]: Proved nontermination for one component. [2019-01-14 03:40:51,228 INFO L448 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~sn~0=0} Honda state: {ULTIMATE.start_main_~sn~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~sn~0=-2}, {ULTIMATE.start_main_~sn~0=6}, {ULTIMATE.start_main_~sn~0=-2}] Lambdas: [4, 1, 1] Nus: [1, 0] 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 [2019-01-14 03:40:51,252 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:40:51,252 INFO L163 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:40:51,276 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 03:40:51,277 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:40:51,301 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-14 03:40:51,303 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:40:51,303 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:40:51,303 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:40:51,304 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:40:51,304 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 03:40:51,304 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:40:51,304 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:40:51,304 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:40:51,305 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum04_false-unreach-call_true-termination.i_Iteration1_Loop [2019-01-14 03:40:51,305 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:40:51,305 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:40:51,306 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 03:40:51,343 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 03:40:51,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:40:51,672 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:40:51,678 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 03:40:51,679 INFO L122 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-01-14 03:40:51,680 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:40:51,682 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:40:51,683 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:40:51,684 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:40:51,684 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:40:51,686 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:40:51,686 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:40:51,696 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-01-14 03:40:51,697 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 03:40:51,698 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:40:51,699 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:40:51,699 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:40:51,699 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:40:51,699 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:40:51,702 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:40:51,702 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:40:51,709 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 03:40:51,714 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-14 03:40:51,714 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-14 03:40:51,716 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 03:40:51,717 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-14 03:40:51,717 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 03:40:51,717 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 7 Supporting invariants [] [2019-01-14 03:40:51,719 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-14 03:40:51,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:40:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 03:40:51,798 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 03:40:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 03:40:51,821 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 03:40:51,855 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 03:40:51,869 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-01-14 03:40:51,870 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 4 states. [2019-01-14 03:40:51,945 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 4 states. Result 31 states and 43 transitions. Complement of second has 7 states. [2019-01-14 03:40:51,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-01-14 03:40:51,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-14 03:40:51,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2019-01-14 03:40:51,950 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 1 letters. Loop has 3 letters. [2019-01-14 03:40:51,951 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:40:51,951 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 4 letters. Loop has 3 letters. [2019-01-14 03:40:51,951 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:40:51,952 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 1 letters. Loop has 6 letters. [2019-01-14 03:40:51,952 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:40:51,953 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 43 transitions. [2019-01-14 03:40:51,957 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 03:40:51,960 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 11 states and 14 transitions. [2019-01-14 03:40:51,962 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2019-01-14 03:40:51,962 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2019-01-14 03:40:51,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2019-01-14 03:40:51,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-01-14 03:40:51,963 INFO L706 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2019-01-14 03:40:51,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2019-01-14 03:40:51,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2019-01-14 03:40:51,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2019-01-14 03:40:51,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2019-01-14 03:40:51,986 INFO L729 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-01-14 03:40:51,986 INFO L609 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2019-01-14 03:40:51,986 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2019-01-14 03:40:51,986 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2019-01-14 03:40:51,986 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-01-14 03:40:51,987 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-01-14 03:40:51,987 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-01-14 03:40:51,987 INFO L867 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-01-14 03:40:51,987 INFO L868 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-01-14 03:40:51,988 INFO L794 eck$LassoCheckResult]: Stem: 84#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~post0, main_~i~0, main_~sn~0;havoc main_~i~0;main_~sn~0 := 0;main_~i~0 := 1; 85#L13-3 assume !!(main_~i~0 <= 8); 81#L14 [2019-01-14 03:40:51,988 INFO L796 eck$LassoCheckResult]: Loop: 81#L14 assume !(main_~i~0 < 4); 86#L13-2 main_#t~post0 := main_~i~0;main_~i~0 := 1 + main_#t~post0;havoc main_#t~post0; 80#L13-3 assume !!(main_~i~0 <= 8); 81#L14 [2019-01-14 03:40:51,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:40:51,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1001, now seen corresponding path program 1 times [2019-01-14 03:40:51,988 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:40:51,988 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:40:51,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:40:51,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:40:51,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:40:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:40:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:40:51,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:40:51,994 INFO L82 PathProgramCache]: Analyzing trace with hash 43750, now seen corresponding path program 1 times [2019-01-14 03:40:51,994 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:40:51,994 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:40:51,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:40:51,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:40:51,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:40:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:40:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 03:40:52,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:40:52,001 INFO L82 PathProgramCache]: Analyzing trace with hash 29834750, now seen corresponding path program 1 times [2019-01-14 03:40:52,001 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 03:40:52,001 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 03:40:52,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:40:52,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 03:40:52,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 03:40:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 03:40:52,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 03:40:52,038 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 03:40:52,038 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 03:40:52,064 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:40:52,064 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:40:52,065 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:40:52,065 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:40:52,065 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-01-14 03:40:52,065 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:40:52,065 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:40:52,065 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:40:52,065 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum04_false-unreach-call_true-termination.i_Iteration2_Loop [2019-01-14 03:40:52,066 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:40:52,066 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:40:52,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-01-14 03:40:52,083 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 03:40:52,192 WARN L181 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2019-01-14 03:40:52,213 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:40:52,213 INFO L412 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:40:52,221 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-01-14 03:40:52,221 INFO L163 nArgumentSynthesizer]: Using integer mode. 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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:40:52,245 INFO L151 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-01-14 03:40:52,245 INFO L163 nArgumentSynthesizer]: Using integer mode. [2019-01-14 03:40:52,271 INFO L452 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-01-14 03:40:52,273 INFO L216 LassoAnalysis]: Preferences: [2019-01-14 03:40:52,273 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-01-14 03:40:52,273 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-01-14 03:40:52,273 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-01-14 03:40:52,273 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-01-14 03:40:52,274 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-01-14 03:40:52,274 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-01-14 03:40:52,274 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-01-14 03:40:52,274 INFO L131 ssoRankerPreferences]: Filename of dumped script: sum04_false-unreach-call_true-termination.i_Iteration2_Loop [2019-01-14 03:40:52,274 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-01-14 03:40:52,274 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2019-01-14 03:40:52,276 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 03:40:52,288 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 03:40:52,330 INFO L300 LassoAnalysis]: Preprocessing complete. [2019-01-14 03:40:52,331 INFO L497 LassoAnalysis]: Using template 'affine'. [2019-01-14 03:40:52,332 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 03:40:52,333 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2019-01-14 03:40:52,333 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-01-14 03:40:52,333 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2019-01-14 03:40:52,333 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2019-01-14 03:40:52,334 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2019-01-14 03:40:52,335 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-01-14 03:40:52,335 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-01-14 03:40:52,341 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-01-14 03:40:52,346 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-01-14 03:40:52,346 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-01-14 03:40:52,347 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-01-14 03:40:52,347 INFO L440 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-01-14 03:40:52,347 INFO L518 LassoAnalysis]: Proved termination. [2019-01-14 03:40:52,347 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 15 Supporting invariants [] [2019-01-14 03:40:52,347 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-01-14 03:40:52,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 03:40:52,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 03:40:52,412 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 03:40:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 03:40:52,434 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2019-01-14 03:40:52,480 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 03:40:52,480 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-01-14 03:40:52,481 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand 4 states. [2019-01-14 03:40:52,567 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand 4 states. Result 17 states and 21 transitions. Complement of second has 6 states. [2019-01-14 03:40:52,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-01-14 03:40:52,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-01-14 03:40:52,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 6 transitions. [2019-01-14 03:40:52,570 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 2 letters. Loop has 3 letters. [2019-01-14 03:40:52,571 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:40:52,571 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 5 letters. Loop has 3 letters. [2019-01-14 03:40:52,571 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:40:52,571 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 6 transitions. Stem has 2 letters. Loop has 6 letters. [2019-01-14 03:40:52,571 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-01-14 03:40:52,572 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 21 transitions. [2019-01-14 03:40:52,573 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 03:40:52,573 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2019-01-14 03:40:52,573 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 03:40:52,573 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 03:40:52,574 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 03:40:52,574 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 03:40:52,574 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 03:40:52,574 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 03:40:52,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-01-14 03:40:52,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-01-14 03:40:52,578 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2019-01-14 03:40:52,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 03:40:52,580 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-01-14 03:40:52,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-14 03:40:52,581 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-01-14 03:40:52,581 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 03:40:52,581 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-01-14 03:40:52,581 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-01-14 03:40:52,581 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-01-14 03:40:52,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-01-14 03:40:52,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-01-14 03:40:52,582 INFO L706 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 03:40:52,582 INFO L729 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 03:40:52,582 INFO L609 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-01-14 03:40:52,582 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2019-01-14 03:40:52,582 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-01-14 03:40:52,582 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-01-14 03:40:52,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-01-14 03:40:52,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 14.01 03:40:52 BoogieIcfgContainer [2019-01-14 03:40:52,588 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-01-14 03:40:52,588 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 03:40:52,588 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 03:40:52,589 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 03:40:52,589 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 03:40:50" (3/4) ... [2019-01-14 03:40:52,592 INFO L147 WitnessPrinter]: No result that supports witness generation found [2019-01-14 03:40:52,592 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 03:40:52,593 INFO L168 Benchmark]: Toolchain (without parser) took 2760.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 951.4 MB in the beginning and 988.6 MB in the end (delta: -37.3 MB). Peak memory consumption was 94.3 MB. Max. memory is 11.5 GB. [2019-01-14 03:40:52,594 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:40:52,595 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.43 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 03:40:52,596 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.51 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 03:40:52,596 INFO L168 Benchmark]: Boogie Preprocessor took 29.66 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 03:40:52,597 INFO L168 Benchmark]: RCFGBuilder took 338.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-01-14 03:40:52,598 INFO L168 Benchmark]: BuchiAutomizer took 2086.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.6 MB in the end (delta: 118.7 MB). Peak memory consumption was 118.7 MB. Max. memory is 11.5 GB. [2019-01-14 03:40:52,599 INFO L168 Benchmark]: Witness Printer took 4.06 ms. Allocated memory is still 1.2 GB. Free memory is still 988.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 03:40:52,604 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 253.43 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 42.51 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 29.66 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 338.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -166.8 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2086.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.6 MB in the end (delta: 118.7 MB). Peak memory consumption was 118.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.06 ms. Allocated memory is still 1.2 GB. Free memory is still 988.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 7 and consists of 5 locations. One deterministic module has affine ranking function -2 * i + 15 and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 8 SDtfs, 11 SDslu, 10 SDs, 0 SdLazy, 23 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax100 hnf96 lsp83 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf112 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 2 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...